
滅火劑疏水白炭黑-二氧化硅-氣相二氧化硅-屹諾
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¥10.00
≥5
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項目Item | 指標Specification | ||
型號Grade | T-28X | T-35X | T-35 |
生產工藝Process | 沉淀法Precipitated | ||
外觀Form | 白色粉末 White powder | ||
白度Whiteness | ≥93 | ≥93 | ≥93 |
二氧化硅含量% SiO content(dry) | ≥97 | ≥97 | ≥97 |
PH 值PHvalue | 6.5-7.5 | 6.5-7.5 | 6.5-7.5 |
平均粒徑 umAvrage partical size | 4.5-5.5 | 4.5-5.5 | 20-25 |
比表面積 m2/g BETspecific surface aream2/g | ≥180 | ≥230 | ≥230 |
吸油值 ml/100gDBPabsorption value ml/100g | ≥280 | ≥350 | ≥350 |
加熱減量 (105 ℃ for 2h) Heating loss | ≤3.0 | ≤3.0 | ≤3.0 |
灼燒減量 (1000℃ for 2h) Ignition loss | ≤4.0 | ≤4.0 | ≤4.0 |
鉛含量 Na2so4 Content Sodium sulfatc | ≤0.0001% | ≤0.0001% | ≤0.0001% |
鐵含量Iron content | ≤0.0015% | ≤0.0015% | ≤0.0015% |
重金屬含量Heavy metal content | ≤0.001% | ≤0.001% | ≤0.001% |
砷含量As content | ≤0.00001% | ≤0.00001% | ≤0.00001% |


