Application:
Suitable for chemical industry such as fertilier
industry, paper making industry, cement industry
etc. conveying acid/alkali
Characteristics:
1. Chemicals and corrosion resistant and highly
durable physical properties
2. Good elasticity, small elongation at rated load
3. High adhesion, good flexibility and trough
Ability
| Item | Tensile Strength (Mpa or N/mm2) | Elongation at break % | Abrasion mm3 | Hardness (Shore A) | Ozone deterioration | |||||
| Rubber Cover | PhysicalPhysical | Before aging | 15 | 400 | 250 | 60 | no cracks | |||
| After aging | 13 | 350 | — | 65 | no cracks | |||||
| Acid and alkali resistance | Grade | Soaking liquid | Density | Soaking conditions | Change rate before and after soaking | |||||
| °Cxh | 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% | |||||
