woer
SBRS-(2X)QF—Double-wall pipe for automotive piping protection
SBRS-(2X)QF—Double-wall pipe for automotive piping protection
Couldn't load pickup availability
Application areas:
Automotive piping and fuel lines, etc.
Product Description
Double-walled tubing for automotive piping protection is designed for the harsh environments of automotive piping and fuel lines. Its unique double-wall structure effectively prevents damage to the piping caused by vibration, friction, and corrosion, thereby improving the reliability, safety, and service life of the piping.
Features:
Heat shrink ratio: 2:1
Initial shrinkage temperature: ≥ +70 ℃
Complete shrinkage temperature: ≥ +125 ℃
Operating temperature: -55 ℃ ~ +105 ℃
Wear - resistant and corrosion-resistant
Environmental Standards: RoHS
Standard color: Black (other colors can be customized)
Product Parameters
|
Outer layer technical specifications |
|||
|
performance |
index |
Test methods |
|
|
Tensile strength |
≥12 MPa |
ASTM D 2671 |
|
|
Elongation at break |
≥300% |
ASTM D 2671 |
|
|
Axial change rate |
-10% to +10% |
ASTM D 2671 |
|
|
Strength after aging |
≥12 MPa |
120 ℃ ×24h |
|
|
Anti-deformation |
≤60% |
140 ℃ , 10 min , 2 kg/ cm² load for 5 min |
|
|
Low temperature shock |
-35 ℃ , no cracks |
ASTM D 746 |
|
|
Impact resistance |
No cracks |
At room temperature and -40 ℃ for 30 minutes , 0.5m height, 200g hammer impact. |
|
|
Stress crack resistance |
No cracks |
ASTM D 1693 |
|
|
Drug resistance |
Drug resistance |
No abnormalities in appearance 20 ℃ /120h |
\ |
|
0.1 mol / L H₂SO₄ |
|||
|
0.1 mol/L NaOH |
|||
|
Brake fluid |
|||
|
engine oil |
|||
|
gasoline |
|||
|
Hot melt adhesive technical specifications |
||
|
performance |
index |
Test methods |
|
softening point |
105±5 ℃ |
ASTM E 28 |
|
Water absorption rate |
< 0.5% |
ASTM D 570 |
|
Peel strength ( PE ) |
≥120N/25mm |
ASTM D 1000 |
|
Peel strength ( Al ) |
≥80N/25mm |
ASTM D 1000 |
Product Selection
|
Specification |
Supply inner diameter (mm) |
Fully shrunk dimensions (mm) |
Applicable metal pipe outer diameter |
Standard packaging Rice / plate |
||||
|
inner diameter |
Average total wall thickness |
Adhesive layer wall thickness |
Inch |
mm |
||||
|
Φ6.0 |
≥6 |
≤4.5 |
1.20±0.20 |
0.2±0.05 |
3/16 |
4.76 |
300 |
|
|
Φ8.0 |
≥8 |
≤6.1 |
1.30±0.20 |
0.2±0.05 |
1/4 |
6.35 |
200 |
|
|
Φ11.0 |
≥11 |
≤7.1 |
1.30±0.20 |
0.2±0.05 |
5/16 |
8.00 |
200 |
|
|
Φ13.0 |
≥13 |
≤9.8 |
1.30±0.20 |
0.2±0.05 |
3/8 |
10.0 |
100 |
|
|
Φ15.0 |
≥15 |
≤11.5 |
1.30±0.20 |
0.2±0.05 |
1/2 |
12.0 |
100 |
|
dd
Share
