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×	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)
Spec.	ID Before Shrunk ØD (mm)	Length (mm)	Thickness (mm)	Range (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