Jinan Maofeng Chemical Co., Ltd.

Shandong, Jinan, China

We are offering silica sand product presentation the silica sand is processed from high grade natural silica stone, through crushing, screening, washingprocess finally got the high purity product. appearance is pure white in prismatical globular, with feture ofhigh mechanical strength , good sewage capability , perfect acid-proof performance etc.the silica sand filter material is processed from high grade natural silica stone , through crushing, washing, screening, acid-washing, drying, screening process to got the good quality water treatment filter material .fetures: large hardness, good corrosion resistance , big dencity , high mechanical strength, good sewagecapability, long use cycle as an ideal chemical water treatment material. silica sand filter material passediso9001:2000. it is stable in condition of neutral water and acidity water , but it would be slightly solute inconditon of alkaline water , chemical water treatment increase amount of sio2 max 2mg/l.specs:0.5-1.0mm 0.6-1.2mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm 4.0-8.0mm 8.0-16mm 16-32m . specification iterm data iterm data iterm datasio2 content 99.5% volume weight 1.75t/m3 solubility in hcl 0.4%moh's hardness 7 wear rate 0.3% acid fastness strong acid resistanceboilling point 2550 crashed rate 0.35% alkali fastness good alkali resistancemelting point 1750 ash 0.25% zn content 0.005%specific gravity 2.65 voidage 43% other metal content meet quality standards of drink water usage 1. normal silica sand filter material : mainly used in the field of waste water treatment , use age 3--5 year, the necessary work is to prevent silica sand washing away .2. refine silica sand filter material : mainly used in the field of purified water treatment , in sand filter use ageis 2--3 years , and then change new material after polluted , because pollutant reduce the filtrationperformance of material .3. slica sand is important industrial mineral raw material , non hazardous chemicals.widely used in glass, foundry, ceramic and refractory materials, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemical, plastic, rubber, abrasive and other industries. facilitate transport : motor transport and train transport.