News
New products, product tips and application examples for our heat-shrink, insulating and braided sleeves, corrugated conduits and cable ties.
PVC end caps and dip-moulded caps are among the inconspicuous but indispensable components in numerous industrial applications. They protect pipes, cables, threads, rods and other components from external influences and …
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Sometimes standard solutions are not enough. This is exactly where our special versions of PTFE and dual-wall heat-shrink tubing come into play. We supply not only the usual sizes in inches or AWG, but also tubing to your individual specifications.
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Professional string marking in large PV installations with marking heat-shrink tubing from BIT: reliable labelling solutions for solar parks, ground-mounted PV systems and commercial rooftop installations.
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In today's manufacturing and production world, precision is in demand – especially when it comes to cutting delicate materials such as braided sleeving. A good cutting device must not only work quickly, …
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When it comes to reliable electrical connections, solder connectors with heat-shrink insulation are the ideal solution. They not only provide a stable connection between cables but also protect against moisture and …
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When it comes to retrofitting or protecting cables and wires, the right conduit system is essential. An outstanding product in this field is the BIS WS DUO – a two-part corrugated conduit that …
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Our PVC insulating tubing made of soft PVC according to DIN 40621 is the proven standard solution for industrial applications. It is ideal for companies that need cost-efficient, process-reliable and durable insulating tubing.
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In photovoltaic technology as well as in vehicle and special vehicle construction, cable protection and fastening systems must permanently withstand high environmental stress. Our UV-resistant corrugated conduits and cable ties were developed specifically for long-term outdoor use.
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When working outdoors – for example on cable entries, antenna masts or PV connection cables – a permanently reliable seal is crucial. Heat-shrink tubing must protect not only against moisture but …
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Green-yellow PVC insulating tubing and grommets: safety & identification at a glance. Green-yellow insulating tubing plays an important role, especially when it comes to the clear identification and protection of earth connections.
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Modern industrial technology calls for materials that carry on where standard solutions fail. Our aramid braided sleeving combines extreme thermal resilience with top mechanical performance.
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We would like to thank you sincerely for your trust and the good cooperation in 2025. From 22 December 2025 up to and including 2 January 2026 we will take a short break.
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Efficient, flexible and robust – the ideal cable protection. In times when technological systems are becoming ever more complex, professional cable management is gaining in importance. The BIS WRAP PET …
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We now also offer the proven BIS 230 (D) fiberglass cable protection sleeving with silicone coating in coloured variants. The coloured sleeves combine the high technical properties of the BIS 230 (D) with the additional benefit of colour coding.
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Why corrosion protection is so important: corrosion is one of the most common causes of damage to metal connections. Weld seams on pipelines in particular are susceptible to moisture and weathering. A …
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In short: halogen-free heat-shrink tubing develops significantly less smoke and no corrosive halogen acids in the event of fire. This protects human lives and electronics – especially in public buildings, transport, …
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We are pleased to announce that BIT Bierther GmbH has successfully passed the recertification according to ISO 9001:2015. Our quality management system has thus once again been confirmed by independent auditors – and …
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In shrink processing, reliable processing equipment is essential – whether in series production, prototyping or special applications. Today we present three of our proven shrink devices that stand for the highest standards of quality, performance and durability.
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The BIS 300 is a halogen-free, high-temperature-resistant insulating sleeving made of high-quality fiberglass braid with silicone impregnation. Developed for extreme industrial applications, it reliably protects against heat, abrasion and mechanical stress – up to +300 °C.
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In cable technology, mechanical engineering or electrical installation, damage to cable sheaths or protective sleeves occurs time and again. The BWAS repair sleeve offers a simple and effective solution.
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BIT Bierther GmbH offers high-quality heat-shrink tubing and moulded parts with VG 95343 approval. These products meet the strict requirements of the German defence equipment standard (VG standard).
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BIT Bierther GmbH now also offers high-quality PFA coiled tubing for industrial applications. These specialised tubes are characterised by their high chemical resistance, temperature stability and flexibility.
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Heat-shrink tubing differs in various properties – one essential criterion is the wall thickness. Depending on the application, thin-, medium- or thick-wall variants are used.
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IEC 60684-3-100 is an international standard that defines basic requirements for flexible insulating tubing. It forms the basis for a wide range of industry-specific tubing solutions in electrical engineering, cable assembly and the automotive sector.
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New in our range: high-temperature-resistant cable ties of the GT HT series. Maximum reliability at high temperatures – GT HT cable ties for demanding applications.
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Robust ropes – whether made of steel, plastic or natural fibres – are used in demanding environments. To protect them durably, BIT Bierther GmbH offers the medium-wall BPMW A heat-shrink tubing with adhesive also in large diameters of 300 mm and 350 mm.
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Heat-shrink tubing for electric vehicles – safety and performance for the mobility of tomorrow: to support our customers in the field of electromobility even more specifically, we offer a heat-shrink tubing solution specially developed for electric cars: BP 125 HV.
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Heat-shrink tubing is indispensable for many applications, such as protecting and insulating cables and transitions to connectors. BIT offers heat-shrink tubing with a particularly high shrink ratio of up to 6:1.
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PFA welding rod is a specially developed round-cord welding rod that is ideal for welding films, sheets and tubing. We offer PFA welding rod in the common diameters of 2.00 mm, 2.50 mm, 3.00 mm, 3.50 mm and 4.00 mm.
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In times when technical applications are becoming ever more complex and require high reliability, the right tools are indispensable. Outdoors in particular, UV rays pose a considerable challenge that quickly brings conventional materials to their limits.
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Thin-wall heat-shrink tubing made of PVDF (Kynar*) is used in demanding applications that require protection of components in aggressive environments in the electronics, automotive and aviation industries.
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Our FEP roller heat-shrink tubing is characterised by its easy processing and a very smooth surface. These properties make it ideal for a wide range of applications in various industries.
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Grip sleeving / grip covering – BIT Bierther GmbH is your competent partner for high-quality grip sleeving and grip coverings. Do you need a special covering for your handles?
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BIT hose marking can be used to mark hydraulic hoses. Thanks to the different colours and the individual printing of the hose marking with your details, the material is ideal for your hose management and the maintenance of your hydraulics.
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Optimal protection and marking for your cables and wires: coloured heat-shrink tubing with inner adhesive. Our BPDW 100 heat-shrink tubing is available in many sizes also in eye-catching colours such as red, white, blue, yellow, green, grey, brown and orange.
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Polyurethane (PUR) is a thermoplastic polymer with excellent properties such as elasticity, abrasion resistance, chemical resistance and weather resistance. PUR insulating tubing is used in a wide range of applications, from aerospace to medical technology.
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In addition to the standard spools, we also offer our heat-shrink tubing BP 105, BP 125, BP 135, BP 300 and BPDW 100 in handy mini boxes.
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Fluoropolymer tubing is indispensable in various industrial sectors, especially when it comes to conveying sensitive and aggressive liquids and media. One of the outstanding representatives of this category is fluorinated ethylene propylene tubing, better known as FEP tubing.
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Advantages of heat-shrink tubing made of PEEK (polyether ether ketone): high temperature resistance, chemical resistance, mechanical strength and stiffness, low moisture absorption and an extended service life.
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The GST spiral wrap is used for bundling cables and wires. Thanks to the continuous spiral cut, branching is possible at any point of the spiral wrap.
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The SK 250 silicone heat-shrink tubing offers particularly high flexibility and can be used up to a temperature of 200 °C. The material is generally used for insulating and bundling cables when good physical strength or resistance to high temperatures is required.
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Our braided sleeving made of high-quality polyamide 6.6, sheathed with tinned copper, is a newly developed shielding braid and offers numerous advantages.
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The BP 150 is a semi-flexible, flame-retardant heat-shrink tubing made of polyolefin that is also suitable for applications in high-temperature environments. Thanks to its additives, the material is temperature-resistant up to +150 °C.
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PTFE tubing is known for its excellent insulation properties. In some applications, however, static charge can become a problem. BIT therefore offers antistatic PTFE tubing with higher conductivity.
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Do you need grip sleeving or grip coverings? BIT Bierther GmbH offers you tailor-made and flexible grip sleeving, push-on sleeving and grip sleeve coatings.
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We also offer our BIS WS corrugated conduit in a slit version. This also allows retrofit installation of cable protection on cable bundles and already assembled cables and wires.
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Soft cable ties, often also called flexible cable ties, are cable ties made of TPU (thermoplastic polyurethane). They are designed to stretch and adapt easily without damaging the cables or exerting excessive pressure on them.
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The BWAS shrink sleeves are rail-closed repair sleeves with an adhesive coating. They are excellently suited for sheathing and repairing damaged cables. Thanks to the high shrink ratio, a wide range of applications can be covered.
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Metal cable ties are an important component in many industries and applications. They are easy to handle, have a long service life and are corrosion-resistant, which makes them a popular choice for applications requiring secure and permanent fastening.
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BIS SI UL – silicone tubing with UL approval. Silicone as a material offers a range of advantages: temperature resistance, flexibility, chemical resistance, halogen-free and approval according to UL 224.
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Cable ties are indispensable tools in the world of organising, fastening and securing objects. Our GT cable ties are available in extra-long / extra-heavy versions (EHD = extra heavy duty) with a length of up to 1,025 mm and a width of 12.7 mm.
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At BIT Bierther GmbH, too, our employees are our most important resource. And it is just as important for us to act sustainably and to think of the next generations of future employees.
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The proven BP 125 heat-shrink tubing is now available in the sought-after sizes of 45 mm and 60 mm before shrinking.
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Say goodbye to annoying cable chaos! With our TH cable twister, the annoying tangle of cables will be a thing of the past.
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The BP HSF 125 heat-shrink tubing is a halogen-free fabric heat-shrink tubing made of polyester and polyolefin fibres. It offers excellent mechanical abrasion protection and reduces vibrations.
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On Saturday, 10 June 2023, our employees Kimberley Bierther and Waldemar Rempel with his family were invited by the Swisttaler Tafel to this year's children's party.
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Our BIS WS DUO PP corrugated conduit is ideal for the retrofit protection of PV applications. Thanks to its split design, the corrugated conduit can be fitted quickly and easily and offers reliable protection for your PV cables.
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In the world of technology, effective fastening solutions are of great importance. One such solution that has proven extremely useful in recent decades is hook-and-loop ties.
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Polyolefin is a group of thermoplastic plastics produced from the polymerisation of olefin monomers such as ethylene, propylene or butylene. The most commonly used polyolefins are polyethylene (PE) and polypropylene (PP).
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Cold-shrink tubing is designed so that it can be applied without additional heat or tools. It consists of a material that contracts at room temperature when the inner spiral is removed.
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BIT Bierther GmbH now offers transparent PTFE heat-shrink tubing with a 4:1 shrink ratio in the sizes 3″ (76.2 mm) and 4″ (101.6 mm).
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The FEP 200 UL heat-shrink tubing with a shrink ratio of 1.6:1 is ideal for applications where low shrink temperatures are required to protect temperature-sensitive materials. The material is approved according to UL 224.
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The BP 400 is a flexible heat-shrink tubing made of radiation-cross-linked polyolefin. The material has a very high shrink ratio of 4:1, so even large differences in diameter, e.g. from connector to cable, can be covered well.
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Rubber grommets made of polychloroprene rubber can be quickly and easily slid onto the cable and fitted with the aid of three-pin expander pliers. They form a tight-fitting and excellent mechanical protection.
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Made of a special aramid fibre, the BIS GE ARAMID braided sleeving offers excellent temperature resistance, tensile strength and abrasion resistance to protect sensitive cables, wires and conductors.
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GT UV – UV-resistant cable ties. The GT UV cable ties are the right choice for outdoor applications. They are made of high-quality polyamide 6.6W and, thanks to an added additive, offer particularly good resistance to UV rays.
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Shrink splice kits are connecting elements widely used in the electrical and communications industry. They are used to connect multi-core, insulated low-voltage power cables while ensuring a watertight seal.
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Viton is a brand name for a group of fluoroelastomers (FKM) known for their excellent resistance to high temperatures, chemicals and solvents.
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The BIS WRAP PET is a self-closing protective sleeving made of polyester. This flexible, self-wrapping braided sleeving is the ideal solution for the retrofit sheathing of cable harnesses.
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The BIS PVC GEW is a fabric-reinforced multi-purpose food hose. The three-layer transparent hose made of soft PVC has a polyester thread reinforcement and offers high pressure resistance.
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Our edge clips are a robust and durable solution for fastening cables, wires and pipes to plastic and metal profiles. They are made of high-quality polyamide 6.6 HS, a material that is particularly resistant to high temperatures, chemicals, UV radiation and moisture.
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The BP 300 polyolefin heat-shrink tubing with a shrink ratio of 3:1 is now available up to a diameter of 50 mm. The thin-wall material is very flexible and can shrink down to a diameter of 17 mm.
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The acid-resistant cable ties GT PP are made of high-quality polypropylene. They convince with very good resistance to most acids, bases and greases and low water absorption.
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Fiberglass is a product consisting of several hundred individual fibres produced by the nozzle drawing process. Special properties of fiberglass insulating sleeving are, in addition to high temperature resistance, excellent mechanical strength and high ageing resistance.
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Heat-shrink tubing is frequently used for the installation of photovoltaic systems. Properties such as particularly good UV resistance, sealing against the ingress of moisture and high temperature resistance are often required.
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Braided sleeving is protective sleeving braided from plastic monofilaments. It is used to protect and bundle cables and strands and, thanks to its wide range of applications, can be used very flexibly.
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Our PVC insulating tubing BIS 85 and BIS 105 is used in many different industries, such as the automotive industry, photovoltaics or mechanical engineering. Consistently high quality, which we guarantee through continuous testing, is essential.
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Our FEP heat-shrink tubing is used in particularly temperature-sensitive applications where the high shrink temperature of PTFE is not suitable. FEP heat-shrink tubing offers particularly high transparency.
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Heat-shrink tubing with adhesive offers ideal protection against environmental influences. The inner layer of hot-melt adhesive seals the covered object against the ingress of water and moisture and fixes the heat-shrink tubing at the same time.
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Cables and wires laid underground must withstand external influences such as water, moisture, chemical and mechanical influences as well as small rodents.
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Heat-shrink tubing is the ideal tool for renewing damaged cable insulation, insulating connections between electrical conductors or bundling several cables.
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Shrink and operating temperatures of heat-shrink tubing: heat-shrink tubing is used for insulating and protecting cables. In addition, it serves as strain relief and is used for bundling and marking cables.
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BPIMS 300 is a UL-listed 3:1 heat-shrink tubing that can be printed on both sides. Thanks to its special surfaces, excellent print results can be achieved.
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Our dual-wall heat-shrink tubing made of PTFE with an FEP inlay offers effective protection against aggressive media and high temperatures.
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BIT corrugated conduits – applications for the automotive industry, vehicle construction, mechanical and plant engineering and electrical engineering. The most common application is protecting cables and wires from external influences.
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Protect your hydraulic hoses by using our GSSP spiral protective sleeving. The high-quality PE-HD material offers excellent mechanical protection, even in adverse weather conditions.
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We are happy to offer our braided sleeving made of polyamide, polypropylene and polyester ready cut to your desired length. Conventional cutting methods quickly reach their limits with synthetic fabrics.
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Our flexible PVC end caps are used in many applications, for example as thread protection caps, as end caps for cables or as covers for painting and powder coating.
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BIS WS-PFA corrugated conduits are characterised by their excellent thermal, electrical and chemical properties. They are extremely abrasion-resistant, very dimensionally stable and UV-resistant.
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PEEK (polyether ether ketone) is a high-performance material characterised by excellent resistance to thermal decomposition at high temperatures. PEEK tubing is used in applications requiring exceptionally high stiffness.
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In industrial electronics, apparatus engineering and the medical technology sector, finished tubing sections with the smallest tolerances are often required for series production. BIT cuts heat-shrink and insulating tubing made of various plastics to individually required lengths – with the highest precision.
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For fastening posters to lamp posts and concrete pillars, we recommend our GT cable ties made of polyamide 6.6.
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With the foundation of BIT Bierther GmbH on 3 June 1996, Mr Frank Bierther laid the foundation for the success of his company. Since then, BIT has continuously developed and has become an epitome of quality, reliability and service.
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The BIT fabric heat-shrink tubing BP-HSF 125 is now available from an inner diameter of 6.0 mm. The multifilament, consisting of halogen-free polyolefin and polyester yarns, shrinks at a ratio of 2:1 and offers excellent mechanical protection against abrasion, chafing and cuts.
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The BPUTW is an ultra-thin-wall flexible heat-shrink tubing made of polyolefin. Thanks to its fast shrink capability, it is excellently suited for heat-sensitive applications.
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Did you know that we can also offer suitable end caps up to a diameter of 500 mm for the perfect sealing of cable ends, pipelines or ropes?
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Printable heat-shrink tubing BPIMS 300 for thermal transfer printers: the BPIMS 300 is a flattened heat-shrink tubing with a high shrink ratio of 3:1 made of polyolefin with a special surface finish for printing with thermal transfer printers.
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