SBRS-TH
SBRS-TH
Dual Wall Tube For Spring Protection
It is recoated on the spring, effectively protecting the spring from damage caused by long-term corrosion and external impact, improving its service life, and is widely used in various types of vehicles, equipments and other fields where springs are used.
Technical Data
It is recoated on the spring, effectively protecting the spring from damage caused by long-term corrosion and external impact, improving its service life, and is widely used in various types of vehicles, equipments and other fields where springs are used.
Features
- High mechanical strength and certain corrosion resistance
- The inner layer of hot melt adhesive has a high bond strength to the spring
- Continuous operating temperature: -45°C to 110°C
- Standard color: black (other colors can be customized)
Technical Data
| Property | Test Method | Standard | Typical Performance |
|---|---|---|---|
| Tensile Strength (MPa) | ASTM D2671 | ≥15 | |
| Elongation (%) | ASTM D2671 | ≥450 | |
| Tensile Strength after aging (MPa) | ASTM D2671 (120℃×24h) | ≥13 | |
| Elongation at break after aging (%) | ASTM D2671 (120℃×24h) | ≥410 | |
| Breakdown strength (kV/mm) | IEC 60243 | ≥20 | |
| Heating deformation residual rate | MS231-18 | ≤60% | |
| Solvent resistance (23℃×120h) | MS231-18 | No cracks or swelling |
Adhesive
| Property | Test Method | Standard | Typical Performance |
|---|---|---|---|
| Water Absorption | ASTM D570 | ≤0.2% | |
| Sofening Point (℃) | ASTM E28 | 95±5 | |
| Strength of peeling (PE) | ASTM D1000 | 120N/25mm | |
| Strength of peeling (AL) | ASTM D1000 | 80N/25mm |
Specification Table
Dimensions| Size
(mm) |
Inner Diameter (mm) |
Total Wall Thickness (mm |
Wall thickness of adhesive layer (mm) |
|
Φ9.8 |
9.8＋0.5 |
1.95±0.30 |
0.30±0.15 |
|
Φ9.6 |
9.6＋0.5 |
2.10±0.30 |
0.30±0.15 |
|
Φ9.0 |
9.0＋0.5 |
2.30±0.30 |
0.30±0.15 |
| Φ8.8 | 8.8＋0.5 | 2.40±0.30 | 0.30±0.15 |
