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        Acid-alkali Resistant Conveyor Belt

        Acid-alkali Resistant Conveyor Belt

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        This belt is suitable for the working conditions contacting with acid-alkali, such as manufacturing phosphate fertilizer, making sea salt. We use a rubber-plastic mixture as belt cover and added with inert materials of nice acid-alkali resistance. Belt carcasses are made of EP canvas which has more reliable acid-alkali resistance than cotton canvas. We often produce endless belt of this type.


         

        Rubber Cover Properties:

        Item

        Tensile strength/Mpa≥

        Breaking elongation/%≥

        Abrasion loss/mm3

        Hardness/(o)±105

        Before ageing

        14.0 400 250 60

        After ageing

        12.0 340 - 65

        Note:When any cover thickness is 0.8mm-1.6mm, sample thickness can be the maximum cutting thickness. At the moment, Tensile strength and Breaking elongation can be allowed 15% lower than the values in this table.

        Acid-alkali Resistant Properties of Rubber Cover:

        Class

        Soak liquid

        Concentration

        Soak conditions
        Temperature X time

        Change rate of properties before and after soaking

        Volume expansion rate

        Change rate of tensile strength

        A1

        Hydrochloric acid(HCl)

        18% 50℃×96h

        ≤+10%

        ≥-10%

        A2

        Sulfuric acid(H2SO4)

        50% 50℃×96h

        ≤+10%

        ≥-10%

        A3

        Sodium hydroxide(NaOH)

        48% 50℃×96h

        ≤+10%

        ≥-10%

         

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