Polyolefin Heat Shrink Sleeve – Neptune Marketing

SwitchgearPolyolefin Heat Shrink Sleeve

Bus Tube is heat shrinkable tube designed to insulate busbar systems up to 3.3 KV & to protect against accidental flashover.

Size	As Supplied	After Recovery	Standard Package
mm	Internal Diameter mm	Internal Diameter mm	Wall Thickness mm	Spool Length m/spool
1.0	1.5±0.2	≤0.65	0.36±0.10	400
1.5	2.0±0.2	≤0.85	0.36±0.10	400
2.0	2.5±0.2	≤1.00	0.45±0.10	400
2.5	3.0±0.2	≤1.30	0.45±0.10	400
3.0	3.5±0.2	≤1.50	0.45±0.10	400
4.0	4.5±0.2	≤2.00	0.45±0.10	400
5.0	5.5±0.2	≤2.50	0.56±0.10	200
6.0	6.5±0.2	≤3.00	0.56±0.10	200
7.0	7.5±0.3	≤3.50	0.56±0.10	100
8.0	8.5±0.3	≤4.00	0.56±0.10	100
9.0	9.5±0.3	≤4.50	0.56±0.10	100
10.0	10.5±0.3	≤5.00	0.56±0.10	100
11.0	11.5±0.3	≤5.50	0.56±0.10	100
12.0	12.5±0.3	≤6.00	0.56±0.10	100
13.0	13.5±0.3	≤6.50	0.56±0.10	100
14.0	14.5±0.3	≤7.00	0.70±0.10	100
15.0	15.5±0.4	≤7.50	0.70±0.10	100
16.0	16.5±0.4	≤8.00	0.70±0.10	100
17.0	17.5±0.4	≤8.50	0.70±0.10	100
18.0	19.0±0.5	≤9.00	0.70±0.10	100
20.0	21.0±0.5	≤10.0	0.83±0.15	100
22.0	23.0±0.5	≤11.0	0.83±0.15	100
25.0	26.0±0.5	≤12.5	0.90±0.15	50
30.0	31.5±1.0	≤15.0	1.00±0.15	50
35.0	36.5±1.0	≤17.5	1.00±0.15	50
40.0	41.5±1.0	≤20.0	1.00±0.15	50
50.0	≥50	≤25.0	1.10±0.15	25
60.0	≥60	≤30.0	1.20±0.15	25
70.0	≥70	≤35.0	1.30±0.20	25
80.0	≥80	≤40.0	1.30±0.20	25
90.0	≥90	≤45.0	1.30±0.20	25
100.0	≥100	≤50.0	1.30±0.20	25
120.0	≥120	≤60.0	1.30±0.20	25
150.0	≥150	≤75.0	1.30±0.20	25

Property	Test Method	Typical Performance
Tensile strength （ MPa）	ASTM D 2671	≥10.4
Ultimate elongation （ %）	ASTM D 2671	≥ 2 00
Tensile strength after heat aged （ MPa ）	1 58 ℃×168h	≥7.3
Ultimate elongation after heat aged （ % ）	1 58 ℃×168h	≥100
Longitudinal chang(%)	ASTM D 2671	-5% ～ +5%
Flammability	ASTM D 2671 C method	VW-1
Voltage withstand	UL 224, 2500V, 60s	No breakdown
Dielectric strength （kV/mm ）	ASTM D 149	≥ 15
Volume resistivity （Ω·cm ）	ASTM D 876	≥10 14