Double wall heat shrinkable tubes

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Description:

Double wall heat shrinkable tube’s inner side is adhered with semi-flexible shrinkable tube of hot melt adhesive.
It has colloidality inwall which is designed specially. The outside is consisted of radiation crosslinked polyolefin.
When it is heated, the inwall will melt . And it will fill holes or gaps when ektexine shrinks. After cooling, the wall
thickness of double wall will be average and well-knit.

Inflammability level: UL224 VW-1

Advantages: low-temperature shrinkage, soft, flammability, damp and water proof, oil and acid resistance, etc.

Shrinkage rate: 2:1 3:1 4:1

Application:

The product is widely used in wiring and water proof of electronic equipment, fixing and sealing of wire branch,
anticorrosion and protection of metal pipe and preventing macromolecular chain from loosening and falling off,
such as subaqueous decorative lighting, car brake oil piping, anticorrosion and protection of high-grade wiring
harness.

Properties
Properties		Specification Requirement
Physical	Shrink Temperature	90-110°C
	Continuous Operating Temperature	—55°C～125°C
	Tensile strength after aging	10.4Mpa
	Elongation after aging	>200%
	Radial Shrinking ratio	33%(3:1)OR 25%(4:1)
	Longitudinal Shrinking Ratio	<±15%
Eletrical	Dieletric Voltage withstan	≥2500V

	Volume resistivity	≥10^14Ω.CM

Chemical	Corrosion	NO corrosion
	Copper stability	Good to Excellent
	Flammability	VW-1

4:1 H Dall HEAT SHRINKABLE TUBES
SIZE	Sides after spreading				Sides after freely shrink
	Mininside diameter		Wall thickness		Mininside diameter		Sum wall thickness		JC wall thickness
	Mininside diameter		Wall thickness		Mininside diameter		Sum wall thickness		JC wall thickness
	mm	INCH	mm	INCH	mm	INCH	mm	INCH	mm	INCH
4/1	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	1.00±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
52/13	52	2.050	0.80	0.031	13	0.512	2.60±0.55	0.100±0.020	1.02	0.040

2:1 H Dall HEAT SHRINKABLE TUBES
SIZE	Sides after spreading				Sides after freely shrink
	Mininside diameter		Wall thickness		Mininside diameter		SumWall thickness		JC wall thickness
	Mininside diameter		Wall thickness		Mininside diameter		SumWall thickness		JC wall thickness
	mm	INCH	mm	INCH	mm	INCH	mm	INCH	mm	INCH
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
1/6	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±0.12	0.027±0.006	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

Specifications
3:1 H Dall HEAT SHRINKABLE TUBES
SIZE	Sides after spreading				Sides after freely shrink
	Mininside diameter		Wall thickness		Mininside diameter		Sum wall thickness		JC wall thickness
	mm	INCH	mm	INCH	mm	INCH	mm	INCH	mm	INCH
1/8	3.2	0.125	0.57	0.016	1.00	0.039	1.00±0.28	0.039±0.010	0.50	0.020
3/16	4.8	0.187	0.57	0.016	1.50	0.059	1.00±0.28	0.039±0.010	0.50	0.020
1/4	6.4	0.250	0.57	0.016	2.00	0.079	1.00±0.28	0.039±0.010	0.50	0.020
3/8	9.5	0.375	0.64	0.016	3.00	0.118	1.00±0.28	0.055±0.010	0.61	0.024
1/2	12.7	0.500	0.80	0.016	4.00	0.157	1.78±0.38	0.070±0.010	0.76	0.030
3/4	19.1	0.750	0.93	0.020	6.00	0.236	2.25±0.55	0.088±0.020	0.76	0.030
1	25.4	1.000	1.00	0.020	8.00	0.315	2.54±0.55	0.100±0.020	1.02	0.040
1—1/4	30.0	1.200	1.20	0.025	10.00	0.394	2.54±0.55	0.100±0.020	1.02	0.040

MICC TECH LIMITED is a professional temperature sensor and heating component supplier in Nanjing.

#26 Puzhu South Road, Pukou District, Nanjing 211800, Jiangsu China
   + 86 25 8644 2824
   + 86 25 5246 8824
   +86 139 1388 6088
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