Silicone Rubber Cold Shrink Tube

Silicone Rubber Cold Shrink Tube
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This silicone rubber cold shrink tube is intended to insulate and protect electricity cables against chemical corrosion. The shrinkage of it requires no flames. The property of the cold shrink tube’s raw materials means that the cables will be firmly wrapped. Given that this silicone rubber tube can withstand extreme low temperatures, it is very suitable for cold and humid areas, salt-rich areas and heavily polluted areas.

Features
  • Complete range of specifications are available;
  • Customization services are provided;
Technical Data

Material Property

Item Unit Value Typical Test Method
Texture of Material / Silicone rubber /
Nominal Color / Grey/Black /
Hardness Shore A 40±5 41 ISO 7619
Tensile Strength MPa ≥6.0 7.5 ISO 37
Elongation at Break ≥500 700 ISO 37
Tear Strength KN/m ≥25 30 ISO 34
Volume Resistivity Ω.mm ≥1× IEC 660093
Ultra Violet Resistance / Gray scale 3-4 / ASTM-G154
Electric Strength KV (mm) ≥18 20 IEC 60243

Remark: Above result is based on test pieces

Product Reliability

Item Property index Result
Seal and Protection Property at Environment Temperature IP67 PASS
Seal and Protection After High Temperature After 90℃×96hrs, IP67 PASS
Seal and Protection After Low Temperature After -40℃×96hrs, IP67 PASS
Service Temperature -60~90℃

Remark: The storage period of the product is 24 months. During the storage period, pay attention to prevent rain, sunshine, heavy pressure and sharp body.

Dimensions
Spec. ID Before Shrunk
ØD (mm)
After Full Shrunk Range (mm)
Length (mm) Thickness (mm)
WCST15
15±2 80~450 2.0±0.2 Ø6~Ø8
WCST20
20±2 80~450 2.0±0.2 Ø10~Ø14
WCST25
25±2 80~500 2.5±0.2 Ø12~Ø17
WCST32
32±2 80~490 2.5±0.2 Ø14~Ø21
WCST35
35±2 80~1000 2.0±0.2 Ø19~Ø28
WCST40
40±2 80~1000 2.0±0.2 Ø21~Ø31
WCST47
47±2 80~1000 2.0±0.2 Ø25~Ø37
WCST53
53±2 80~1000 2.0±0.2 Ø31~Ø45
WCST65
65±2 80~1000 3.0±0.2 Ø31~ Ø50
WCST70
70±2 80~500 3.0±0.2 Ø37~Ø55
WCST80
80±2 80~500 3.0±0.2 Ø44~Ø65
WCST104
104±2 80~500 3.0±0.2 Ø51~Ø84
WCST120
120±2 80~420 3.0±0.2 Ø55~Ø100
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