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A Comprehensive Guide to Heat Shrink Tube Model Selection References and Industry Application Classifications

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1. Correspondence table of performance parameters of heat shrink tube models

    There are many models and specifications of heat shrinkable material products. In order for new and old customers to quickly choose the right product, please refer to the following model comparison table to quickly understand the basic physical and chemical properties of various types of heat shrinkable tubes. After understanding the product performance, you can choose the appropriate product. If you have heat shrink tubes suitable for your own use environment, you can consult online customer service for any questions about purchasing heat shrink tubes.

 Product name Material Product type Shrink ratio Operating temperature Shrinkage temperature Flammability rating Withstand voltage level Product basic characteristics
DUWAI insulating heat shrink tube
PE flame retardant heat shrinkable tube Polyolefin Thin wall 2:1 -55℃-+125℃ -67℉-257℉ 100℃ 212℉ Self-extinguishing within 30 seconds 600V 125°C/257℉, UL, RoHS compliant, environmentally friendly, soft, flame retardant Specifications: Φ1.0-150mm
135℃/275℉ military standard high flame retardant heat shrinkable tube Polyolefin Thin wall 2:1&3:1&4:1 -55℃-+135℃ -67℉-275℉ 100℃ 212℉ Self-extinguishing within 30 seconds 600V 135°C/275℉, in line with UL, RoHS environmental protection and high flame retardant type: Φ1.5-39mm
150℃/302℉ polyolefin heat shrinkable tube Polyolefin Thin wall 2:1 -55℃-+150℃ -67℉-302℉ 150℃ 302℉ Self-extinguishing within 30 seconds 600V 150°C/302℉, UL, RoHS compliant, environmentally friendly, soft, flame retardant Specifications: Φ0.6-100mm
Yellow and green two-color heat shrinkable tube Polyolefin Thin wall 2:1&3:1 -55℃-+135℃ -67℉-275℉ 100℃ 212℉ Self-extinguishing within 30 seconds 600V 135°C/275℉, yellow and green stripes, soft flame retardant Specifications: Φ1.2-100mm
Busbar heat shrink tube Polyolefin Thin wall 2:1&2.5:1 -40℃-+125℃ -40℉-257℉ 125℃ 257℉ Self-extinguishing within 30 seconds 1/10/35KV 125°C/257℉ High pressure resistance Specifications: Φ25-150mm
DUWAI high temperature resistant heat shrinkable tube
Teflon heat shrink tubing Teflon single wall 1.7:1 -65℃-+260℃ -85℉-+500℉ 350℃ 662℉ Self-extinguishing within 30 seconds 600V Resistant to high temperature 260℃/500℉, resistant to oil and acid and alkali solutions
Fluorine rubber heat shrink tubing fluororubber single wall 2:1 -55℃-+200℃ -67℉-+392℉ 175℃ 347℉ Self-extinguishing within 30 seconds 600V 200℃/392℉, resistant to some oils and some solvents Specifications: Φ3.2-50.8mm
Oil resistant heat shrink tubing Oil resistant rubber single wall 2:1 -75℃-+150℃ -103℉-+302℉ 150℃ 302℉ Self-extinguishing within 30 seconds 600V 150℃, diesel resistant, soft and elastic Specifications: Φ3.2-76.2mm
Semi-rigid fluoroplastic heat shrink tubing Fluoroplastic single wall 2:1 -55℃-+175℃ -67℉-+347℉ 175℃ 347℉ Self-extinguishing within 30 seconds 600V Semi-hard, transparent, flame retardant, long-term use at 175℃, wear-resistant, cut-resistant, resistant to most oils and chemicals Specifications: Φ1.2-38.1mm
Soft fluoroplastic heat shrink tubing Fluoroplastic single wall 2:1 -55℃-+150℃ -67℉-+302℉ 150℃ 302℉ Self-extinguishing within 30 seconds 600V Long-term use at 150℃, wear-resistant, cut-resistant, resistant to most oils and chemicals Specifications: Φ1.2-38.1mm
DUWAI medium/thick wall cable heat shrinkable tube
6x glued mid-wall heat shrink tubing Polyolefin + hot melt adhesive Double wall 6:1 -55℃-+110℃ -67℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V Six times higher shrinkage ratio, glued, high voltage insulation, wear-resistant, sealed, moisture-proof and waterproof, used to protect cable connections and terminals Specifications: Φ19-235mm
Semi-rigid glued thick-walled heat shrink tubing Polyolefin + hot melt adhesive thick wall 3:1 -55℃-+110℃ -67℉-+230℉ 120℃ 248℉ Non-flame retardant 600V High insulation and mechanical protection properties, used to protect cable connections and terminals Specifications: Φ8-230mm
Semi-rigid adhesive mid-wall heat shrink tubing Polyolefin + hot melt adhesive middle wall 3:1 -55℃-+110℃ -67℉-+230℉ 120℃ 248℉ Non-flame retardant 600V Non-flame retardant, glued, semi-hard, high mechanical properties, sealed, moisture-proof, anti-aging. Specification Φ8-350mm
Flame retardant adhesive mid-wall heat shrink tubing Polyolefin + hot melt adhesive middle wall 3:1 -55℃-+110℃ -67℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V Adhesive flame retardant, insulated, wear-resistant, impact resistant. Specification Φ22-300mm
Flame retardant adhesive thick wall heat shrink tubing Polyolefin + hot melt adhesive thick wall 3:1 -55℃-+110℃ -67℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V Adhesive, high-voltage insulation, wear-resistant, impact-resistant, sealing function, waterproof and moisture-proof Specification Φ9-200mm
DUWAI special purpose heat shrinkable tube
Medical grade heat shrink tubing Fluoroplastic single wall 2:1 -55℃-+150℃ -67℉-+302℉ 150℃/175℃ 302℉/347℉ Self-extinguishing within 30 seconds 600V Soft, tough and wear-resistant, it can provide insulation and mechanical protection for electronic components of medical devices. Φ1.2-50.8mm
Magnetic heat shrink tubing Polyolefin single wall 2:1 -55℃-+125℃ -67℉-257℉ 125℃ 257℉ Self-extinguishing within 30 seconds 600V Good electromagnetic compatibility and anti-electromagnetic interference, which can greatly improve the electromagnetic performance and stability of electronic components. Specification Φ3-15mm
Label heat shrink tubing Polyolefin single wall 2:1 -55℃-+125℃ -67℉-257℉ 125℃ 257℉ Self-extinguishing within 30 seconds 600V Cable interface identification for signals, power systems, electrical pipelines, and electromechanical equipment Specifications Φ2-200mm
Anti-slip pattern heat shrink tube Polyolefin single wall 2:1 -55℃-+110℃ -67℉-+230℉ 110℃ 230℉ Self-extinguishing within 30 seconds 600V It is widely used in high-end fishing tackle, sports equipment, fitness equipment, daily necessities and other fields. Specification Φ15-50mm
Silicone heat shrink tube Silica gel single wall 1.7:1 -55℃-+200℃ -67℉-+392℉ 200℃ 392℉ Self-extinguishing within 30 seconds 600V High temperature resistance, low temperature resistance, chemical corrosion resistance, high insulation specifications Φ0.8-110mm
DUWAI Heat Shrink Cable Accessories
Heat shrinkable busbar contact protection box Polyolefin single wall 3:1 -45℃-+200℃ -49℉-+392℉ 200℃ 392℉ Self-extinguishing within 30 seconds 600V Anti-leakage, corrosion-resistant, corona-resistant, and tear-resistant, effectively preventing short-circuit faults caused by foreign objects.
Heat shrink insulated boots Polyolefin single wall 3:1 -45℃-+110℃ -49℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V It has excellent properties such as excellent insulation, flame retardancy, thermal stability, heat dissipation, flexibility, no cracking, and resistance to electrical carbon marks.
Heat shrinkable cable finger cots Polyolefin + hot melt adhesive   3:1 -45℃-+110℃ -49℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V Has excellent insulation protection, UV resistance, corrosion resistance and other properties
Heat shrinkable cable glands Polyolefin + hot melt adhesive   3:1 -45℃-+110℃ -49℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V With antioxidant, ozone, ultraviolet radiation and other functions Specifications: Φ12-200mm
heat shrinkable cable terminal Polyolefin   3:1 -45℃-+110℃ -49℉-+230℉ 120℃ 248℉ Self-extinguishing within 30 seconds 1/10/35KV It shrinks quickly, does not crack and has flame retardant properties; the insulation tube uses heat shrinkable stress tube, which has superior performance and effectively evens out electrical stress concentration.
DUWAI adhesive double wall heat shrinkable tube
Thick glue low temperature shrinkable double wall heat shrinkable tube Polyolefin + hot melt adhesive Double wall 3:1 -55℃-+125℃ -67℉-257℉ 105℃ 221℉ Self-extinguishing within 30 seconds 600V 125℃/257℉, very soft, ultra-low shrinkage temperature, specification Φ3.2-39mm
Special double-wall heat shrinkable tube for automotive wiring harness Polyolefin + hot melt adhesive Double wall 1.5:1 -55℃-+105℃ -67℉-221℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V 105℃/221℉, special for automobile wiring harness, high pressure impact, specification Φ4.5-15mm
Marine high shrink ratio double wall heat shrinkable tube Polyolefin + hot melt adhesive Double wall 3:1 -45℃-+125℃ -49℉-+257℉ 120℃ 248℉ Self-extinguishing within 30 seconds 600V High shrinkage ratio, soft, black flame retardant Specification Φ4.5-15mm
Military standard soft flame retardant double wall heat shrink tubing Polyolefin + hot melt adhesive Double wall 3:1&4:1 -55℃-+135℃ -67℉-275℉ 110℃ 230℉ Self-extinguishing within 30 seconds 600V Military standard specification Φ3-52mm
Flame retardant adhesive double wall heat shrinkable tube Polyolefin + hot melt adhesive Double wall 3:1&4:1 -55℃-+125℃ -67℉-257℉ 100℃ 212℉ Self-extinguishing within 30 seconds 600V High shrinkage ratio, rubberized, soft, flame retardant 

2. Reference for selecting heat shrinkable tubes according to industry applications

    Heat shrinkable tubes are widely used in many different industries and environments. Different heat shrinkable tube products are selected according to different usage scenarios. Their main applications are as follows:

    Electronic/power product insulation; strain relief (relieving stress and eliminating deformation); environmental protection; joint sealing; mechanical protection; wire harness bundling; product identification.

To find the most suitable heat shrink tubing, check out the following application categories: Heat shrink tubing is most common in the electronics, power, communications, automotive, and aerospace fields.

It

Insulation, sealing, connection, and protection are critical requirements for electronic circuit applications. Our company has a rich product line, ranging from polyolefin single-wall heat shrink tubing for ordinary small-sized wire assembly applications to polyvinylidene fluoride heat shrink tubing for high-temperature sensitive component applications.

Heat shrink tubing for electronic circuit industry applications
Product type Material Use Performance
PE flame retardant heat shrinkable tube PE Polyolefin Insulation, wire harness bundling, mechanical protection Soft, flame retardant, available in many colors
Double wall adhesive heat shrink tubing Polyolefin + hot melt adhesive Sealed and waterproof, buffering mechanical stress deformation High shrinkage ratio, inner wall glued and waterproof
High temperature resistant heat shrinkable tube PVDF polyvinylidene fluoride Insulation, wiring harness bundling Resistant to high temperatures, some oils and solvents
Fluororubber
Teflon

Electric power industry/communication cables

    Our company provides high-quality heat shrinkable material products for the power, electrical, and communication cable industries, including low-voltage and medium-voltage power cable accessories. Electric heat shrink products are designed and tested to meet the performance and reliability requirements of IEEE, UL, CSA, ANSI and other international standards.

1. Low-pressure medium/thick wall heat shrinkable tubes: Fuxinyi Technology provides medium/thick wall heat shrinkable tubes for heat shrinkable products in the power and electrical industries. This product with the world's leading production level provides connection sealing for the power and electrical industries. Cable repair, mechanical protection, electrical insulation and stress relief, etc., our products can meet the most challenging requirements.

2. High-voltage heat shrinkable tube: High-voltage busbar heat-shrinkable tube is divided into three voltage levels: 1KV/10KV/35KV. It has strong selectivity. You can choose the appropriate busbar heat-shrinkable tube according to different voltage resistance requirements and is suitable for various applications. Insulation protection and phase color differentiation of busbars.

3. Power heat shrinkable cable accessories: Special pipes and matching accessories can be used in demanding applications where electrical performance and ease of installation are crucial, and are suitable for the following conditions.

⑴. Electrical switch cabinet and distribution equipment:

⑵. Busbar heat shrinkable tube used for busbar wire insulation;

⑶. Motor cable termination kit insulation and bolt connection protection;

⑷. Elbow sealing kit is used for sealing and reinforcement of medium voltage cables;

⑸. Sealing and waterproofing of cable joints.

Automobile manufacturing/shipbuilding industry

The automobile manufacturing and shipbuilding industries use the most types of heat shrinkable tubes. Different types of heat shrinkable tubes need to be selected for different parts. The following applications and uses are roughly summarized.

Automobile manufacturing/shipbuilding industry
Product type Material Use Performance
PE flame retardant heat shrinkable tube PE Polyolefin Insulation, wire harness bundling, mechanical protection Soft, flame retardant, available in many colors
Double wall adhesive heat shrink tubing Polyolefin + hot melt adhesive Sealed and waterproof, buffering mechanical stress deformation High shrinkage ratio, inner wall glued and waterproof
Special double-wall heat shrinkable tube for automobile pipelines Polyolefin + hot melt adhesive Protect metal pipes and fuel lines from environmental damage Resistant to high pressure impact to prevent wire harness from loosening
Medium thick wall heat shrink tubing Polyolefin + hot melt adhesive Pipeline and line protection Stress relief, wear-resistant
Oil resistant heat shrink tubing Elastomeric rubber Oil-resistant to prevent oil spillage and damage to parts Oil and high temperature resistance up to 150℃/302℉
Label heat shrink tubing PE Polyolefin line identification The eraser can be recognized 50 times

 

Aerospace field

    The aerospace field generally has high requirements for the thermal stability and high temperature resistance of materials, so high temperature resistant heat shrinkable tubes are often used, which directly improves the safety of the project.

Automobile manufacturing/shipbuilding industry
Product type Material Use Performance
Fluorine plastic heat shrink tube PVDF polyvinylidene fluoride Protection of sensor wiring harness High temperature resistance 150℃/175℃ 302℉/347℉
Teflon heat shrink tubing PTFE Teflon Wire harness protection for solvent areas High temperature resistance 260℃ 500℉
Oil resistant heat shrink tubing Elastomeric rubber Fuel tank line protection Oil resistance, high temperature resistance 150℃ 302℉