精品国产品国语在线不卡丶-精品国产品欧美日产在线-精品国产区一区二区三区在线观看-精品国产热久久久福利-精品国产热久久中文字幕-精品国产人成亚洲区

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.