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Shanghai Chancel Industry Co.,Ltd.
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Perlite is formed by the volcano, dense glass-like rock. Perlite after the crush at a high temperature calcination, the volume can be expanded 15 times over. It is from Jiana aluminum silicate melt product of the composition. After the expansion of perlite extremely light, the small proportion of diatomite than 20 percent so filters can be applied to the board to reduce the amount of net filter . my company's perlite filter aid, I stereotypes products company, is used in Xinyang City Shangtianti quality natural perlite ore by 900 - 1100 ℃ Expanded high-temperature processing, modification, purification, classification from the white powder. Its molecular structure of a honeycomb, tasteless, non-toxic, sterile, non-organic, is an inert material.
products of the technical indicators
Physical characteristics
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The proportion
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(g/cm 3 )
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2.2~2.5
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Bulk density
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(g/cm 3 )
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0.15~0.25
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Permeability
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(Darcy)
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2.5~5.0
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Size
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﹥40micron
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≦ 16%
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Distribution
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﹤5micron
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≧ 2%
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Chemical composition(%)
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Name
Ingredients
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Perlite filter aid
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Japan31#、34#
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Sio 2
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74.95
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71.0-75.0
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Al 2 O 3
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12.83
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12.5-18.0
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Fe 2 O 3
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0.76
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0.5-0.15
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CaO
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0.09
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0.5-2.0
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Other
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9.83
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6.9-9.8
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Hot Reduction
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1.44
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﹤3
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