- The rubber cover, which is made from chemical resistant materials, has fine anti-chemical corrosiveness and good physical property.
- It is specially made for those materials which would dissolve expand or corrode the belt.
- It is suitable for conveying material with chemical corrosiveness in chemical factory, chemical fertilizer factory, paper mills, mining industry etc.
| Item | Tensile Strength /Mpa ≥ | Elongation at break /% ≥ | Abrasion /mm3 ≤ | Hardness /(°)+10-5 | Ozone deterioration | ||
|---|---|---|---|---|---|---|---|
| Cover | Physical property | Before aging | 14 | 400 | 250 | 60 | No cracks |
| After aging | 12 | 340 | – | 65 | – | ||
| Acid and alkali resistance | Class | Soak liquid | Density | Soak conditions | Change rate before and after soak | ||
| °C x h | Swelling rate | Change rate of tensile strength | |||||
| A1 | HCL | 18% | 50°C x 96h | ≤+10% | ≤-10% | ||
| A2 | H2SO4 | 50% | 50°C x 96h | ≤+10% | ≤-10% | ||
| A3 | NaOH | 48% | 50°C x 96h | ≤+10% | ≤-10% | ||