Application
lt is suitable for conveying materials with chemical corrosiveness in chemical factory, chemical fertiliter factory, paper mill, mining industry and etc.
Features
It is suitable for conveying materials with chemical corrosiveness in chemical factory，chemical fertilizer factory，paper mill,mining industry and low elongation the rubber cover, which is made from chemical resistant materials, has fine anti-chemical corrosiveness and good physical properties.
Technical indexes
| Item |
Tensile strength (≥Mpa) |
Elongation at break (≥%) |
Abrasion (mm3≤) |
Shore hardness IRDH |
Ozone deterioration |
||
|
COVER
|
Physical property |
Before aging | 15 | 400 |
在200 |
55~70 | No cracks |
| After aging | 12 | 200 |
- |
≤85 | - | ||
|
Acid and Alkali resistance
|
Class | Soak liquid | Density |
Soak conditions ℃xh |
Change rate before and after aging | ||
| A1 | HCL | 18％ | 50℃x 96h | Swelling rate | Change rate of tensile strength | ||
| +10% or less | within -10% | ||||||
| A2 | H2S04 | 50％ | 50℃x 96h | +10% or less | within -10% | ||
|
A3 |
NaOH |
48％ |
50℃x 96h | +10% or less | within -10% | ||