Welcome to the Huangshi Zhizheng Rubber and Plastic New Material Co., Ltd. official website!
Add: Zhongshan Road, Huangjinshan Economic Development Zone, Huangshi, Hubei, China
Service hotline: +86-714-6367867
E-mail: hszzjohnlee@aliyun.com?
Website: http://www.qiyeurl.com.cn
Detail
Detail
Scope of application
SRS series product is processed by taking polyolefin and hot melt adhesive as raw material. It meets RoHS environmental standards. Outer layer has fine insulation and anticorrosion property. Inner layer has fine waterproof sealing and mechanical strain property. It is widely used for water proofing of electronic equipment, sealing of wire parting, protection of wiring harness, corrosion protection of metal pipeline.
Product features
shrinking Ratio: 3:1, 4:1
minimum complete shrinkage temperature: 110ºC。
Outer layer adopts environmental friendly polyolefin;
Meeting RoHS environmental standards;
Inter layer adopts special processing hot melt adhesive;
Excellent adhesive and sealing effect;
Temperature range: -55℃~105℃;
Outer layer flame retardant property: VW-1;
Product performance
| Item |
Test condition |
Required index |
Typical test data |
|
tensile strength |
ASTM D 638 |
≥12 Mpa |
14 Mpa |
|
elongation at break |
ASTM D 638 |
≥350% |
400% |
|
volume resistivity |
IEC 93 |
≥1014 Ω.cm |
2 ×1014 Ω.cm |
|
water absorption |
ISO 62 |
< 0.5% |
0.15% |
|
after aging tensile strength |
158ºC after 7 days of aging |
≥10 Mpa |
14 Mpa |
|
after aging elongation at break |
≥300% |
410% |
|
|
disruptive strength |
IEC 243 |
>20kV/mm |
23 kV/mm |
|
power-frequency withstand strength |
|
2.5 kV 60s no breakdown |
up to standard |
|
copper stability |
158ºC after 7 days of aging |
no crrosion |
up to standard |
|
eccentricity |
UL224 |
≤30% |
13% |
|
longitudinal shrinkage ratio |
UL224 |
-3 – 3 % |
-0.5% |
|
flame retardant |
|
VW-1 |
up to standard |
SRS-3X series specification
|
Specification |
Before shrinkageinner diameter(mm) |
After shrinkageinner diameter(mm) |
Length of the packing(m/set) |
|
F3.2 |
3.5±0.3 |
1.00 |
200 |
|
F4.8 |
5.2±0.3 |
1.60 |
100 |
|
F6.4 |
6.8±0.4 |
2.20 |
100 |
|
F7.9 |
8.4±0.4 |
2.70 |
100 |
|
F9.5 |
9.9±0.4 |
3.20 |
1.22 |
|
F12.7 |
13.2±0.5 |
4.20 |
1.22 |
|
F15.0 |
15.6±0.5 |
5.20 |
1.22 |
|
F19.1 |
19.6±0.5 |
6.30 |
1.22 |
|
F25.4 |
25.4±0.8 |
8.50 |
1.22 |
|
F30.0 |
≥30 |
10.20 |
1.22 |
|
F39.0 |
≥40 |
13.50 |
1.22 |
|
F50.0 |
≥50 |
17.00 |
1.22 |
|
F64.0 |
≥64 |
21.00 |
1.22 |
SRS-4X series specification
|
Specification |
Before shrinkage(mm)minimum inner diameter |
After shrinkage size(mm) |
Length of the packing |
||
|
maximum inner diameter |
total wall thickness t+t1 |
thickness of the rubber t1 |
|||
|
F4.0 |
F4.0 |
F1.0 |
1.0±0.15 |
0.4±0.15 |
200 |
|
F6.0 |
F6.0 |
F1.5 |
1.1±0.15 |
0.4±0.15 |
100 |
|
F8.0 |
F8.0 |
F2.0 |
1.2±0.15 |
0.5±0.15 |
1.22 |
|
F12.0 |
F12.0 |
F3.0 |
1.4±0.15 |
0.5±0.15 |
1.22 |
|
F16.0 |
F16.0 |
F4.0 |
1.7±0.15 |
0.6±0.15 |
1.22 |
|
F20.0 |
F20.0 |
F5.0 |
2.0±0.15 |
0.6±0.15 |
1.22 |
|
F24.0 |
F24.0 |
F6.0 |
2.1±0.15 |
0.6±0.15 |
1.22 |
|
F32.0 |
F32.0 |
F8.0 |
2.4±0.15 |
0.7±0.15 |
1.22 |
|
F52.0 |
F52.0 |
F13.0 |
2.4±0.15 |
0.7±0.15 |
1.22 |
Standard color: black
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