国产精品亚洲αv-国产精品亚洲成在人线-国产精品亚洲二-国产精品亚洲二区在线-国产精品亚洲精品爽爽-国产精品亚洲美女

formula：xSiO2.yH2O Enforcement standard：HG/T354-2010 Molecular weight(SiO2)：60.08

Characteristics：White grains of homogeneous size. non-toxic and tasteless. Chief ingredient is silicon dioxide. Of high purity. Secure and sanitary. Can be used to separate and refine mixed components because different absorption duration on this silica gel.

Packing：1kg per bag or 10kg per carton.

Note：The moisture content, packing and size may be customized per your specific requirements.

Use：For refinement of petrol products, removal of aromatic hydrocarbon material, separation and refinement of traditional Chinese herbal medicine components, preparation of high purity substance, etc.

Size：40-60 目（250-425μm） 60-100 目（150-250μm） 60-80 目（180-250μm）80-100 目（150-180μm） 100-120 目（125-150μm） 100-200 目（75-150μm） 200-300 目（50-75μm） 300-400 目（38-50μm）

Storage：Store in dry and ventilated place, do not share with volatile substances, so as not to absorb moisture or other chemical substances and affect the separation performance.