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Applications

Manufactured by co-extrusion of polyolefin and hot-melt adhesive.

Designed to provide both insulationand sealing for protected articles。

Used to protect auto wires , shipping cable , bundle wires and metal tubesagainst water and moisture

Features

Good electrical insulation and waterproof connection。

Various

Operating temperature : -45℃ to + 125℃

Minimum shrink temperature : 80℃

Standard color : BlackSpecial colors : Red , blue , white , yellow , clear , green

Shrink Ratio : 2：1

Technical Data

Property	Test Method	Typical Data
Tensile strength	ASTM D 2671	>10.4 MPa
Tensile strength after aging(158°C/168 hrs.)	ASTM D 2671	Remains 70%
Elongation at break	ASTM D 2671	>300%(min)
Elongation at break after aging(158°C/168 hrs.)	ASTM D 2671	100%(min)
Longitudinal   shrinkage	UL 224	0 to-10%
Heat shock 250°C/4 hrs	No cracking	no dropping
Cold bend (-30°C/1 hr.)	ASTM D 2671	No cracking
Voltage  withstand  (AC  2500V/60  seconds)	ASTM D 2671	No breakdown
Volume resistance	ASTM D 876	≥1014 Ω·cm
Flammability	SAE-AMS-DTL-23053/4	Self-extinguish in 30 sec
Copper  corrosion(158°C/168  hrs.)	UL 224	Pass
Water absorption	ASTM D 570	Min.1014 Ω·cm

Dimensions

Size		As Supplied (mm)	After Recovery (mm)			Standard length
Inch	mm. (D)	Inside Diameter Min. (D)	Inside Diameter Max.(d )	Total Wall Thickness Min.(t)	Adhesive Thickness	m/spool
DM-D21 Shrink Ratio 2:1 Adhesive-lined tubing
1/16	1.6	1.6	0.8	0.60±0.15	0.30±0.1	200
3/32	2.4	2.4	1.2	0.70±0.15	0.35±0.1	200
1/8	3.2	3.2	1.6	0.70±0.15	0.35±0.1	200
3/16	4.8	4.8	2.4	0.80±0.15	0.4±0.1	100
1/4	6.4	6.4	3.2	0.80±0.15	0.4±0.1	100
5/16	7.9	7.9	3.9	0.90±0.15	0.45±0.1	100
3/8	9.5	9.5	4.8	0.90±0.15	0.45±0.1	50
1/2	12.7	12.7	6.4	0.95±0.20	0.45±0.1	1.22 OR 25M/Roll
5/8	15.9	15.9	7.9	0.95±0.20	0.45±0.1	1.22 OR 25M/Roll
3/4	19.1	19.1	9.5	1.00±0.20	0.45±0.1	1.22 OR 25M/Roll
1	25.4	25.4	12.7	1.10±0.20	0.5±0.1	1.22 OR 25M/Roll
1 1/4	31.8	31.8	15	1.15±0.20	0.5±0.1	1.22 OR 25M/Roll
1 1/2	38.1	38.1	19	1.25±0.20	0.5±0.1	1.22 OR 25M/Roll
1 3/4	44.5	44.5	22	1.35±0.20	0.55±0.1	1.22 OR 25M/Roll
2	50.8	50.8	25.4	1.5±0.25	0.60±0.1	1.22 OR 25M/Roll

*Spools as standards. 1m or 1.22m.Sticks,special spool lengths or cut pieces available on request.