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Acid and alkali-resistant Belt
In order to meet the clients’ requirement to convey materials with chemical corrosiveness, when design and manufacture, we use nylon, cotton or EP fabric as core, which makes the belt with good elasticity, troughability and low elongation. And adopt chemical resistant materials mixed with rubber as cover, which makes the belt with good performance in acid and alkali-resistance.
Application
- Chemical factory, chemical fertilizer factory, paper mill, mining industry, etc.
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Cover Rubber Property
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Items
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Tensile
Strength
Mpa
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Elongation
at break %
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Abrasion
mm3
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Hardness
Shore A°
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Ozone
Deterioration
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Cover
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Physical
Property
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Before
Aging
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≥ 14.0
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≥ 400
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≤ 250
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55-70
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No Cracks
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After
Aging
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≥ 12.0
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≥ 340
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-
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60-75
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-
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Acid and Alkali Resistance
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Class
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Soak Liquid
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Density
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Soak
Conditions
oC x96h
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Change Rate
before and after Aging
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Swelling Rate
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Change Rate of
Tensile Strength
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A1
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Hydrochloric
Acid
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18%
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50℃ ×96h
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<+10%
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<-10%
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A2
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Sulfuric
Acid
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50%
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50℃ ×96h
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<+10%
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<-10%
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A3
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Sodium Hydroxide
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48%
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50℃ ×96h
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<+10%
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<-10%
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