Heat Shrink Semi Conducting/Insulated Double-Layer Tube

• Customization: Available
• Certification: ISO
• Color: Red
• Model NO.: Heat shrink semi conducting/insulated double-layer
• IP Rating: IP50
• Head Code: Circular
• Material: PE
• Transport Package: Bags, Cartons
• Specification: Double wall tube
• Trademark: YQALT
• Origin: China

Product Description

Heat shrink semiconducting/insulated double-layertube

Overview

 

 Featuring an outer semi-conductive layer to effectively control electric field intensity,
and an inner layer providing excellent electrical insulation. The heat-shrink technology
ensures a tight fit over cable joints or terminations. Suitable for high and medium
voltage cable systems, offering superior mechanical strength and weather resistance for
long-term use in harsh conditions.

 

Selection Table

Spec.	As Supplied(mm)		After Recovered
	Inner Diameter (D) Min	Wall Thickness(T:±20%)	Inner Diameter (D) Max	Wall Thickness(T:±10%)
ALDWT-30/12	30	2.8	12	5.8
ALDWT-35/13	35	2.5	13	5.8
ALDWT-45/17	45	2.3	17	5.8
ALDWT-55/21	55	2.2	21	5.8
ALDWT-65/26	65	2.3	26	5.8
ALDWT-85/30	85	2.7	30	7.2
ALDWT-100/38	100	2.9	38	7.2
ALDWT-120/45	120	2.9	45	7.2

Product Parameters

 

Property	Test Method	Data-Inner Insulation Standard Value	Outer Semi-conductive Standard Value
Tensile Strength	ASTM-D-638	≥10MPa	≥10MPa
Elongation at Break	ASTM-D-638	≥350%	≥350%
Changes in Tensile Breaking Strength After Heat Aging	ASTM-D-5510	≤±20%	≤±20%
Volume Resistivity	IEC 60093	≥1x10^14.cm	≥1x10^14.cm
Brittle Temperature	ISO 974	-40ºC	-40ºC
Hardness(Shore A)	ISO 868	≥80	≥80
Heat Shock	160C,4h	No Crack	No Crack
Longitudinal Shrinkage	ASTM-D-2671	≤10%	≤10%
Eccentricity	ASTM-D-2671	≤30%	≤30%