CB-DWT(3000) 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：
◆ High shrink ratio, covering a larger range of objects
◆ Halogen-free, flame retardant, RoHS 2.0 standard compliance
◆ Higher mechanical properties and abrasion resistance with semi-rigid polyolefin material
◆ 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	≥6.9MPa
Aging in circulating-air oven 175℃/168h	Elongation at break	ASTM D2671	≥100%
Volume resistance		ASTM D876	≥1.0x10¹²Ω.cm
Cutting modulus (2% strain)		ASTM D2671	≤137MPa
Flammability		AS23053/5	Self extinguishing in 60s
Dielectric strength		ASTM D2671	AC 2500V, 60s, no breakdown
Heat shock		225℃/4h	No dripping, no flowing, no cracking
Solvent resistance	97# gasoline	ASTM D2671 (23℃*24h)	No cracking, no breaking
	IRM902# oil	ASTM D2671 (23℃*24h)	No cracking, no breaking
	IRM903# oil	ASTM D2671 (23℃*24h)	No cracking, no breaking
	Hydraulic fluid	ASTM D2671 (23℃*24h)	No cracking, no breaking

产品规格

Size CB-DWT(3000) (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(3000)-1	Φ5.72	6.2±0.4	0.55±0.25	≤1.27	1.30±0.30	0.60
CB-DWT(3000)-2	Φ7.44	8.0±0.5	0.58±0.25	≤1.65	1.52±0.30	0.75
CB-DWT(3000)-3	Φ10.85	11.5±0.6	0.70±0.25	≤2.41	1.90±0.40	1.05
CB-DWT(3000)-4	Φ17.78	19.0±0.8	0.88±0.25	≤4.45	2.40±0.50	1.37