The serial of ZRG heat shrinkable sleeve with
radiation cross-linking shrinkable low-temperature fire resistant
The scope of using the serial of ZRG
The serial production of ZRG were wildly applied for the trade of electric power, electron, war industry and sipbuilding, etc, main used for harness protection, lead sign, insulation protection of welding point, protection of electronic element, insulation protection of low-temperature power bus-bar and antiseptic pipeline, etc.
The characteristic of the serial of ZRG
Contractibility rate 2∶1
Soft production, easy operation
Continuing using temperature -55℃—125℃
The lowest Complete shrinkable temperature 90℃
The property of fire resistant VW-1
Possessing several colors:black,red,yellow,blue,green,white, gray
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The property index of the serial of ZRG
item |
test condition |
quality index |
typical test data |
hot strength |
ASTM D 638 |
≥12 Mpa |
16 Mpa |
extension rate at break |
ASTM D 638 |
≥350% |
400% |
specific volume resistivity |
IEC 93 |
≥ 1014 W.cm |
2 ×1014 W.cm |
water absorption |
ISO 62 |
< 0.5% |
0.15% |
stretch strength after aging |
In the oven of 158℃ aging for 7 days |
≥ 10 Mpa |
18 Mpa |
extension rate at break after aging |
≥300% |
410% |
breakdown strength |
IEC 243 |
>20KV/mm |
23 KV/mm |
power frequency pressurization strength |
|
2.5 KV 60s no breakdown |
pass |
|
In the oven of 158℃ aging for 7 days |
No corrosion |
pass |
deviation rate |
|
≤40% |
33% |
horizon shrinkable rate |
In the oven of 200℃ shrinking for 3 minutes |
> 50% |
Up to the standard |
vertical shrinkable rate |
In the oven of 200℃ shrinking for 3 minutes |
-5 – 5 % |
-0.5% |
fire resistant |
|
VW-1 |
VW-1 |
the lowest Complete shrinkable temperature |
In the oven of 200℃ shrinking for 3 minutes |
Shrunk to specified size |
Up to the standard |
The standard dimension of the serial production of ZRG
specification
（ mm ） |
the dimension before shrinking （ mm ） |
the dimension after shrinking（ mm ） |
the length of package
（m/twist） |
internal diameter |
thickness |
internal diameter |
thickness |
1.0/0.5 |
1.4±0.3 |
0.2±0.05 |
0.4±0.1 |
0.4±0.05 |
200 |
1.5/0.75 |
1.9±0.3 |
0.2±0.05 |
0.6±0.1 |
0.4±0.05 |
200 |
2.0/1.0 |
2.4±0.3 |
0.25±0.05 |
0.9±0.1 |
0.5±0.05 |
200 |
2.5/1.25 |
2.9±0.3 |
0.25±0.05 |
1.1±0.1 |
0.5±0.05 |
200 |
3.0/1.5 |
3.4±0.3 |
0.25±0.05 |
1.4±0.1 |
0.5±0.05 |
200 |
3.5/1.75 |
3.9±0.3 |
0.25±0.05 |
1.6±0.1 |
0.5±0.05 |
200 |
4.0/2.0 |
4.4±0.3 |
0.25±0.05 |
1.8±0.1 |
0.5±0.05 |
100 |
5.0/2.5 |
5.4±0.3 |
0.35±0.05 |
2.3±0.2 |
0.55±0.05 |
100 |
6.0/3.0 |
6.4±0.4 |
0.35±0.05 |
2.8±0.2 |
0.55±0.05 |
100 |
7.0/3.5 |
7.4±0.4 |
0.35±0.05 |
3.3±0.2 |
0.55±0.05 |
100 |
8.0/4.0 |
8.4±0.4 |
0.35±0.05 |
3.8±0.2 |
0.55±0.05 |
100 |
9.0/4.5 |
9.4±0.4 |
0.35±0.05 |
4.3±0.2 |
0.55±0.05 |
100 |
10.0/5.0 |
10.5±0.4 |
0.35±0.05 |
4.8±0.2 |
0.55±0.05 |
100 |
11.0/5.5 |
11.5±0.4 |
0.35±0.05 |
5.3±0.2 |
0.6±0.05 |
100 |
12.0/6.0 |
12.5±0.4 |
0.35±0.1 |
5.7±0.3 |
0.6±0.05 |
100 |
13.0/6.5 |
13.5±0.4 |
0.35±0.1 |
6.2±0.3 |
0.6±0.05 |
100 |
14.0/7.0 |
14.5±0.4 |
0.35±0.1 |
6.7±0.3 |
0.6±0.05 |
100 |
15.0/7.5 |
15.5±0.5 |
0.35±0.1 |
7.2±0.3 |
0.65±0.05 |
100 |
16.0/8.0 |
16.5±0.5 |
0.35±0.1 |
7.7±0.3 |
0.65±0.05 |
100 |
17.0/8.5 |
17.5±0.5 |
0.35±0.1 |
8.2±0.3 |
0.70±0.05 |
100 |
18.0/9.0 |
19.0±0.5 |
0.4±0.1 |
8.7±0.3 |
0.80±0.05 |
50 |
20.0/10.0 |
21.0±0.5 |
0.5±0.1 |
9.7±0.3 |
0.90±0.05 |
50 |
22.0/11.0 |
22.8±0.8 |
0.5±0.1 |
10.0±1.0 |
0.90±0.05 |
50 |
25.0/12.5 |
25.8±0.8 |
0.5±0.1 |
11.0±1.0 |
0.90±0.05 |
50 |
28.0/14.0 |
28.8±0.8 |
0.5±0.1 |
13.0±1.0 |
0.90±0.05 |
25 |
30.0/15.0 |
30.8±0.8 |
0.5±0.1 |
14.0±1.0 |
1.0±0.1 |
25 |
35.0/17.5 |
35.8±0.8 |
0.5±0.1 |
16.0±1.0 |
1.0±0.1 |
25 |
40.0/20.0 |
42.0±1.0 |
0.5±0.1 |
19.0±1.0 |
1.0±0.1 |
25 |
50.0/25.0 |
51.0±1.0 |
0.5±0.1 |
24.0±1.0 |
1.0±0.1 |
25 |
60.0/30.0 |
61.0±1.0 |
0.6±0.1 |
29.0±1.0 |
1.0±0.1 |
25 |
70.0/35.0 |
71.0±1.0 |
0.6±0.1 |
33.0±2.0 |
1.1±0.1 |
25 |
80.0/40.0 |
81.0±1.0 |
0.6±0.1 |
37.0±2.0 |
1.1±0.1 |
25 |
90.045.0 |
91.0±1.0 |
0.6±0.1 |
43.0±2.0 |
1.2±0.2 |
25 |
100.0/50.0 |
102.0±2.0 |
0.6±0.1 |
48.0±2.0 |
1.2±0.2 |
25 |
120.0/60.0 |
122.0±2.0 |
0.6±0.1 |
58.0±2.0 |
1.2±0.2 |
25 |
150.0/75.0 |
152.0±2.0 |
0.6±0.1 |
73.0±2.0 |
1.2±0.2 |
25 |
The standard colors:black,white,red,yellow,blue,green,gray
low-temperature non Combustion-Resistace Sleeve
