CB-DWT(2000) DUAL WALL HEAT-SHRINKABLE TUBING

应用领域
CB-DWT(2000) is specially designed for the protection for metal automotive pipes and fuel lines. It is positioned on straight pipe lengths prior to the second end-nut fitting, which can effectively protect metal lines against damage caused by friction or corrosion, improving vehicle safety. Each size of CB-DWT(2000) is suitable for a certain specification of metal oil pipe. The inspection of the National Automotive Quality Supervision and Inspection Center passed.

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性能指标

Items		Test Methods	Specification
Longitudinal change rate		UL224	-10%~0
Tensile strength		ASTM D2671	≥12MPa
Elongation at break		ASTM D2671	≥400%
Aging in circulating-air oven 158℃/168h	Tensile strength	ASTM D2671	≥12MPa
Aging in circulating-air oven 158℃/168h	Elongation at break	ASTM D2671	≥270%
Deformation resistance		ASTM D746	≥50%
Anti-shock		ASTM D746	No cracking
Falling impact resistance		ASTM D746	No cracking
Cold shock		-35℃/1h	No cracking, no breaking
Environmental stress cracking resistance		ASTM D1693 (50℃*24h)	No cracking, no breaking
Solvent resistance	Sulfuric acid (1.28)	ASTM D2671 (25℃*72h)	No cracking, no breaking
	Sodium hydroxide (0.1N)	ASTM D2671 (25℃*72h)	No cracking, no breaking
	Car brake fluid	ASTM D2671 (25℃*72h)	No cracking, no breaking
	Lea- free gasoline	ASTM D2671 (25℃*72h)	No cracking, no breaking

产品规格

Size CB-DWT(2000) (Shrink ratio: 1.5:1)

Size	As Supplied (mm)		After Recovery on Standard Pipe (mm)
Size	Inside Diameter	Total Wall-thickness	Size of the Pipe	Total Wall-thickness	Adhesive Wall-thickness
Ф6.0(1.5X)	6.5±0.5	0.75±0.15	4.76	1.00±0.10	0.05+0.05
Ф8.0(1.5X)	8.5±0.5	0.75±0.15	6.35	1.00±0.10	0.05+0.05
Ф10.0(1.5X)	10.5±0.5	0.75±0.15	8.00	1.00±0.10	0.05+0.05
Ф12.5(1.5X)	13.0±0.5	0.75±0.15	10.00	1.00±0.10	0.05+0.05
Ф14.0(4X)	14.5±0.5	0.35±0.15	4.85	1.00±0.10	0.05+0.05