Because the belt core selects cotton-duck, nylon-duck or EP-duck, the belt has good elasticity, excellent toughness, and low elongation, The rubber cover,
which is made from chemical resistant materials, has fine anti-chemical corrosiveness and good physical properties.
| category | soaking solution | concentration() | 浸泡条件 温度x时间 |
Property change rate before and after immersion | |
| volumetric expansion | Intensity rate of change | ||||
| A1 | Hydrochloric acid (HCl) | 18% | 50°C x 96h | +10% or less | -10% or less |
| A2 | Sulfuric acid (H2SO4) | 50% | 50°C x 96h | +10% or less | -10% or less |
| A3 | Sodium Hydroxide (NaOH) | 48% | 50°C x 96h | +10% or less | -10% or less |
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