CB-DWT(4000) DUAL WALL HEAT-SHRINKABLE TUBING

概述产品描述性能指标产品规格相关产品

应用领域
Specifically designed for the requirements of automotive wiring harness and pipelines, widely used in the insulation and sealing of various automotive wiring harness, and the stress relief and abrasion resistance protection of the connections and terminals.

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产品描述

材料：Outer layer: radiation cross-linked semi-rigid polyolefin Inner layer: hot melt adhesive

收缩倍率：4:1

特点：
◆ Translucent
◆ High shrink ratio, covering a larger range of objects
◆ Excellent sealing performance with thicker hot melt adhesive
◆ Excellent oil resistance, especially suitable for application inside of the automotive
◆ Fully shrink temperature: ≥125℃
◆ Operation temperature range: -40℃~125℃

性能指标

Items		Test Methods	Specification
Longitudinal change rate		UL224	-10%~0
Tensile strength		ASTM D2671	≥10.4MPa
Elongation at break		ASTM D2671	≥250%
Aging in circulating-air oven 175℃/168h	Tensile strength	ASTM D2671	≥7.3MPa
Aging in circulating-air oven 175℃/168h	Elongation at break	ASTM D2671	≥100%
Volume resistance		ASTM D876	≥1.0x10¹²Ω.cm
Dielectric strength		ASTM D2671	AC 2500V, 60s, no breakdown
Cold bending		-40℃/4h	No cracking, no breaking
Water absorption		ASTM D570	≤1.0%

产品规格

Size CB-DWT(4000) (Shrink ratio: 4:1)

Size		As Supplied (mm)		After Recovery (mm)
Size		Inside Diameter	Wall-thickness	Inside Diameter	Total Wall-thickness	Adhesive Wall-thickness
CB-DWT(4000)-1	Φ5.72	6.2±0.4	0.55±0.25	≤1.27	1.30±0.30	0.60
CB-DWT(4000)-2	Φ7.44	8.0±0.5	0.58±0.25	≤1.65	1.52±0.30	0.75
CB-DWT(4000)-3	Φ10.85	11.5±0.6	0.70±0.25	≤2.41	1.90±0.40	1.05
CB-DWT(4000)-4	Φ17.78	19.0±0.8	0.88±0.25	≤4.45	2.40±0.50	1.37