325 mesh chinese factory high purity good quality high efficiency Expanded Perlite used for filter aid

Vermiculite & perlite for horticulture Perlite expanded H.S code:6806200000  Appearance:white color , granular form Bulk density:80-120kgs/m3 Size:1-3mm2-4mm3-6mm3-5mm,3-8mm4-8mm,etc Origin:Hebei,China   Features:Light-weight ,water-holding,poisonless,tasteless,staleless,acid-resistant,alkali-resistant,fireproofing ,sound proofing,etc         Vermiculite expanded H.S Code:2530102000 Appearance:golden yellow color, granular form Bulk density:120-180kgs/m3 Size:1-3mm2-4mm3-6mm6-8mm3-5mm4-8mm ,etc Origin:Hebei,China . Features:Heat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, low hardness, burning-avoidness, lighter.non-asbestos etc