Property: FNG waterproof silica gel is white or gray microporous particle, which is insoluble in water or inorganic acid, and its main component is mmSiO2.nH2O, classified into bulk and sphere. The product is a kind of silica gel processed from powder; apart from adsorptive property like ordinary silica gel, it has advantages including good water resistance, low broken rate and long service life.
Function: the product is mainly used for drying air during air separation process, adsorbing acetylene, compressing air and drying various industrial gases during preparation process of liquid air and liquid oxygen, acts as liquid adsorbent and catalyst support in the petrochemical engineering, electric utility, brew and other industries, as well as serves as water purification during water treatment.
Physico-chemical property: soluble in hydrofluoric acid and concentrated caustic solution, with high mechanical strength.
Bulk density g/l:
None-bursting rate with water:
Qualified rate of granularity:
1.According to structure, the waterproof silica gel can be classified into FNG-A type (pore) and FNG-C type (gross porosity)
2.According to granularity, the waterproof silica gel can be classified into 1-3mm, 2-4mm, 2-5mm, 4-8mm, 6-8mm, 8-10mm, 8-12mm, etc.
Package: FNG-C type for 20 kg (FNG-A type for 25 kg)/compound bag or fiber can (lined polythene film bag) or customized.
Precautions for use:
- Before use, don’t open the package so as to prevent moisture absorption, thus effect the using effect.
- After using the product for a certain period, the adsorptive property will decrease gradually, at this time, regeneration and desorption of moisture absorbed shall be done to be reused in renewable gases.
- Pay attention to moisture proof, sun block, and water proof during storage, as well as try to avoid package damage to affect the absorption effect.
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