Dual Wall Shrink Tube

KB-DW(2X3X4X) Dual wal shrink tube with glue

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Item	Test method	Indicator	Values
Tensile strength	ASTM D638	≥10.4MPa	14.1MPa
Elongation at break	ASTM D638	≥200%	329%
Cutting modulus	ASTM D882，2%	≤172MPa	153MPa
Hot shock	250±3℃，4hrs	Without dripping, flowing or crack	Qualified
Cold shock	ASTM D745，-55±2℃	No cracking	Qualified
Breakdown strength	ASTM D2671	≥19.7kv/mm	26kv/mm
Volume resistivity	ASTM D876	≥1×1012	3.6×1013
Thermal aging	175±2℃，168hrs	not drip, not crack	Qualified
Tensile strength after aging	ASTM D638	≥6.9MPa	9.5MPa
Breakdown strength after aging	ASTM D2671	≥15.8kv/mm	24kv/mm

Specifications	Before shrinkage					After shrinking
	Minimum inner diameter			Wall thickness		Maximum internal diameter			Total wall thickness		Layer thickness
	mm		IN	mm	IN	mm	IN		mm	IN	mm		IN
(Shrink ratio：2:1)
3/64	1.2		0.047	0.30	0.012	0.60	0.024	0.45±0.12		0.018±0.005	0.20		0.008
1/16	1.6		0.062	0.30	0.012	0.80	0.031	0.45±0.12		0.018±0.005	0.20		0.008
3/32	2.4		0.093	0.35	0.014	1.20	0.046	0.55±0.12		0.022±0.005	0.30		0.012
1/8	3.2		0.125	0.40	0.016	1.60	0.062	0.60±0.15		0.027±.006	0.30		0.012
3/16	4.8		0.187	0.40	0.016	2.40	0.093	0.75±0.15		0.029±0.006	0.35		0.014
1/4	6.4		0.250	0.40	0.016	3.20	0.125	0.75±0.15		0.029±0.006	0.35		0.014
3/8	9.5		0.375	0.40	0.016	4.80	0.187	0.80±0.20		0.032±0.008	0.35		0.014
1/2	12.7		0.500	0.40	0.016	6.40	0.250	0.80±0.20		0.032±0.008	0.35		0.014
3/4	19.1		0.750	0.50	0.020	9.50	0.375	0.95±0.28		0.037±0.011	0.40		0.017
1	25.4		1.000	0.50	0.020	12.70	0.500	1.15±0.28		0.045±0.011	0.45		0.017
1-1/2	38.1		1.500	0.65	0.025	19.00	0.750	1.25±0.41		0.049±0.016	0.45		0.017
2	50.8		2.000	0.73	0.029	25.40	1.000	1.40±0.41		0.055±0.016	0.50		0.019
(Shrink ratio：3:1)
1/8	3.2	0.126		0.40	0.016	1.00	0.039	0.85±0.25		0.033±0.010	0.35		0.014
3/16	4.7	0.185		0.40	0.016	1.50	0.059	1.05±0.25		0.041±0.010	0.45		0.018
1/4	6.4	0.250		0.45	0.018	2.00	0.079	1.10±0.25		0.043±0.010	0.45		0.018
3/8	9.5	0.375		0.60	0.024	3.00	0.118	1.45±0.25		0.057±0.010	0.45		0.018
1/2	12.7	0.500		0.60	0.024	4.00	0.157	1.50±0.35		0.059±0.014	0.45		0.018
3/4	19.1	0.750		0.75	0.030	6.00	0.236	2.00±0.45		0.079±0.018	0.65		0.026
1	25.4	1.000		0.75	0.030	8.40	0.331	2.00±0.55		0.079±0.020	0.65		0.026
1-1/4	30.0	1.181		0.80	0.031	10.0	0.394	2.20±0.55		0.087±0.020	0.75		0.030
1-1/2	40.0	1.575		0.85	0.033	13.7	0.539	2.50±0.55		0.098±0.020	1.00		0.039
(shrink ratio：4:1)
1/4	4	0.157		0.40	0.016	1	0.039	1.00±0.28		0.039±0.010		0.50	0.020
8/2	8	0.315		0.40	0.016	2	0.079	1.10±0.28		0.039±0.010		0.50	0.020
12/3	12	0.472		0.50	0.020	3	0.118	1.40±0.28		0.055±0.010		0.61	0.024
16/4	16	0.630		0.60	0.024	4	0.157	1.78±0.38		0.070±0.010		0.76	0.030
24/6	24	0.945		0.75	0.030	6	0.236	2.25±0.55		0.088±0.020		0.76	0.030
32/8	32	1.260		0.80	0.031	8	0.315	2.54±0.55		0.100±0.020		1.02	0.040

Item	Test method	Indicator	Values
Tensile strength	ASTM D638	≥10.4MPa	14.1MPa
Elongation at break	ASTM D638	≥200%	329%
Cutting modulus	ASTM D882，2%	≤172MPa	153MPa
Hot shock	250±3℃，4hrs	Without dripping, flowing or crack	Qualified
Cold shock	ASTM D745，-55±2℃	No cracking	Qualified
Breakdown strength	ASTM D2671	≥19.7kv/mm	26kv/mm
Volume resistivity	ASTM D876	≥1×1012	3.6×1013
Thermal aging	175±2℃，168hrs	not drip, not crack	Qualified
Tensile strength after aging	ASTM D638	≥6.9MPa	9.5MPa
Breakdown strength after aging	ASTM D2671	≥15.8kv/mm	24kv/mm

Specifications	Before shrinkage					After shrinking
	Minimum inner diameter			Wall thickness		Maximum internal diameter			Total wall thickness		Layer thickness
	mm		IN	mm	IN	mm	IN		mm	IN	mm		IN
(Shrink ratio：2:1)
3/64	1.2		0.047	0.30	0.012	0.60	0.024	0.45±0.12		0.018±0.005	0.20		0.008
1/16	1.6		0.062	0.30	0.012	0.80	0.031	0.45±0.12		0.018±0.005	0.20		0.008
3/32	2.4		0.093	0.35	0.014	1.20	0.046	0.55±0.12		0.022±0.005	0.30		0.012
1/8	3.2		0.125	0.40	0.016	1.60	0.062	0.60±0.15		0.027±.006	0.30		0.012
3/16	4.8		0.187	0.40	0.016	2.40	0.093	0.75±0.15		0.029±0.006	0.35		0.014
1/4	6.4		0.250	0.40	0.016	3.20	0.125	0.75±0.15		0.029±0.006	0.35		0.014
3/8	9.5		0.375	0.40	0.016	4.80	0.187	0.80±0.20		0.032±0.008	0.35		0.014
1/2	12.7		0.500	0.40	0.016	6.40	0.250	0.80±0.20		0.032±0.008	0.35		0.014
3/4	19.1		0.750	0.50	0.020	9.50	0.375	0.95±0.28		0.037±0.011	0.40		0.017
1	25.4		1.000	0.50	0.020	12.70	0.500	1.15±0.28		0.045±0.011	0.45		0.017
1-1/2	38.1		1.500	0.65	0.025	19.00	0.750	1.25±0.41		0.049±0.016	0.45		0.017
2	50.8		2.000	0.73	0.029	25.40	1.000	1.40±0.41		0.055±0.016	0.50		0.019
(Shrink ratio：3:1)
1/8	3.2	0.126		0.40	0.016	1.00	0.039	0.85±0.25		0.033±0.010	0.35		0.014
3/16	4.7	0.185		0.40	0.016	1.50	0.059	1.05±0.25		0.041±0.010	0.45		0.018
1/4	6.4	0.250		0.45	0.018	2.00	0.079	1.10±0.25		0.043±0.010	0.45		0.018
3/8	9.5	0.375		0.60	0.024	3.00	0.118	1.45±0.25		0.057±0.010	0.45		0.018
1/2	12.7	0.500		0.60	0.024	4.00	0.157	1.50±0.35		0.059±0.014	0.45		0.018
3/4	19.1	0.750		0.75	0.030	6.00	0.236	2.00±0.45		0.079±0.018	0.65		0.026
1	25.4	1.000		0.75	0.030	8.40	0.331	2.00±0.55		0.079±0.020	0.65		0.026
1-1/4	30.0	1.181		0.80	0.031	10.0	0.394	2.20±0.55		0.087±0.020	0.75		0.030
1-1/2	40.0	1.575		0.85	0.033	13.7	0.539	2.50±0.55		0.098±0.020	1.00		0.039
(shrink ratio：4:1)
1/4	4	0.157		0.40	0.016	1	0.039	1.00±0.28		0.039±0.010		0.50	0.020
8/2	8	0.315		0.40	0.016	2	0.079	1.10±0.28		0.039±0.010		0.50	0.020
12/3	12	0.472		0.50	0.020	3	0.118	1.40±0.28		0.055±0.010		0.61	0.024
16/4	16	0.630		0.60	0.024	4	0.157	1.78±0.38		0.070±0.010		0.76	0.030
24/6	24	0.945		0.75	0.030	6	0.236	2.25±0.55		0.088±0.020		0.76	0.030
32/8	32	1.260		0.80	0.031	8	0.315	2.54±0.55		0.100±0.020		1.02	0.040

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