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