食品级二氧化硅 Food grade silicon dioxide
| 项目ITEMS | 指标 SPECIFICATIONS |
| H-30 | H-40 |
| 外观 Form | White powder | White powder |
| 白度 Whiteness | 98 | 98 |
| SiO2 含量（dry basis）% | ≥99.9 | ≥99.9 |
| PH值 PH Value | 6.5-7.5 | 6.5-7.5 |
| 比表面积BET surface area ㎡/g | 220-260 | 240-280 |
| 吸油值DBP absorption value ml/100g | 280-320 | 320-360 |
| 平均粒径Average particle size um | 3-7 | 3-7 |
| 筛余物Sieve residue (45um)% | ＜0.05 | ＜0.05 |
| 加热减量Ignition loss(105 for 2hr.)% | 2.0-3.0 | 2.0-3.0 |
| 灼烧减量Heating loss(1000 for 2hr.)% | 3.0-4.0 | 3.0-4.0 |
| 铁含量Iron content % | ≤0.0015 | ≤0.0015 |
| 硫酸盐含量Soluble salt(Na2SO4)% | ≤0.02 | ≤0.02 |
| 铅含量Lead content % | ≤0.0001 | ≤0.0001 |
| Nacl含量 NaCl content% | ≤0.01 | ≤0.01 |
| 重金属含量 Heavy Metal content% | ≤0.001 | ≤0.001 |
| 砷含量 Arsenic Content% | ≤0.00001 | ≤0.00001 |
| 包装 package | 10kg/bag | 10kg/bag |
该产品为乳白色的蓬松粉末，在粉末物质的颗粒之间起到间隔作用，促进粉末的自由流动，具有很强的抗结块和吸附作用。 主要用于食品，医药及饲料的抗结块剂，增稠剂，稳定剂及载体，澄清助剂，香精和香料的吸附干燥剂。
Food grade grade silicon dioxide are main used as water reducing,stabilization of food, medicine,animal food and carrier,clarify assistance and the attach water reducing of essence and spicery. The form of the product is white powder. Because of the sub-micro size and large BET of silicon dioxide , it can act as interval material between the granules of powder, at the same time, it also can improve the free flow of powder . Its water reducing feature can promote sorption and to prevent caking.