COTRAN HMWT Medium Wall Heat Shrinkable Tube

COTRAN HMWT medium wall heat shrinkable tube is made from radiation crosslinked polyolefin. Specifically designed formulation makes the tubing to have outstanding physical, chemical and electrical properties, and also meet the requirement of RoHS and other environment concerned standards. It is designed for applications to seal and protect electrical splices, cable terminations and joints where electrical insulation and water proof are required. 3:1 shrink ratio allows it easily fit over irregular shape and large connectors.

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product introduction

Product Features

3:1 Shrink Ratio
Semi-rigid
UV resistant
RoHS compliant

Technical Properties

Property	Unit	Test Method	Requirements
Operating temperature			-55℃ to +110℃
Longitudinal Changes	%	ASTM D2671	0 to -10
Eccentricity	%	ASTM D2671	Max. 50
Tensile strength	MPa	IEC 60684-2	Min. 12
Ultimate elongation	%	IEC 60684-2	Min. 350
Heat aging Tensile strength Ultimate elongation	MPa %	IEC 60684-2 /150ºC,168hrs	Min.12 Min.300
Low Temperature Flexibility		IEC 60684-2/ -30ºC,4hrs	No cracking or break
Dielectric strength	kV/mm	IEC 60684-2	Min. 20
Volume resistance	Ω.cm	IEC 60684-2	Min. 1.0×1014
Water absorption	%	IEC 60684-2/ 23ºC, 336hrs	Max. 0.15

Specification

Item No.	As supplied (mm)	After recovered (mm)		Standard Length (mm)
Item No.	*D(Min.)**	*d(Max.)**	*w(Min.)**	Standard Length (mm)
HMWT 8/2	8	2.0	1.7	1000-1500
HMWT 12/3	12	3.0	1.8	1000-1500
HMWT 16/5	16	5.0	2.0	1000-1500
HMWT 19/5	19	5.0	2.0	1000-1500
HMWT 22/6	22	6.0	2.4	1000-1500
HMWT 28/6	28	6.0	2.5	1000-1500
HMWT 33/8	33	8.0	2.5	1000-1500
HMWT 40/12	40	12.0	2.5	1000-1500
HMWT 55/16	55	16.0	2.7	1000-1500
HMWT 65/19	65	19.0	2.8	1000-1500
HMWT 75/22	75	22.0	3.0	1000-1500
HMWT 95/25	95	25.0	3.0	1000-1500
HMWT 115/34	115	34.0	3.0	1000-1500
HMWT 140/42	140	42.0	3.0	1000-1500
HMWT 160/50	160	50.0	3.0	1000-1500
HMWT 180/58	180	58.0	3.0	1000-1500
HMWT 205/65	205	65.0	3.0	1000-1500
HMWT 235/65	235	65.0	3.0	1000-1500
HMWT 265/75	265	75.0	3.0	1000-1500
HMWT 300/85	300	85.0	3.0	1000-1500
HMWT 350/100	350	100.0	3.0	1000-1500

D* = Inner diameter as supplied

d* = Inner diameter after fully recovered

w* = Wall thickness after fully recovered

The Standard colors for the tubing shall be black.

Shelf life and Storage

COTRAN HMWT medium wall heat shrinkable tube has 5 year's shelf life from date of manufacture when stored in a humidity controlled storage (-10 °C to 40 °C and <75% relative humidity).

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