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乙炔黑國標及企標 

項目\類別
粉狀
25%壓縮品
50%壓縮品
75%壓縮品
100%壓縮品
粒狀炭黑
視比容,ml/g
30~50
20~25
14~17
9~12
7~9
3~5
吸碘值, g/kg ≥
80
90
90
80
90
90
鹽酸吸液量,ml/g ≥
3.9
4.5
3.9
2.9
/
/
電阻率,Ω•m≤
3.0
2.5
2.5
5.5
3.5
6.5
pH
6~8
6~8
6~8
6~8
6~8
6~8
加熱減量,%≤
0.4
0.3
0.3
0.4
0.3
0.5
灰分,%≤
0.3
0.2
0.2
0.3
0.2
0.3
粗粒分,%≤
0.03
0.02
0.02
0.03
0.00
0.00
雜質
【吸收強度】ml/5g≥
/
/
/
/
19.0
18.0
【吸油值】ml/100g≥
/
/
/
/
190
190

注:1、以上各項指標為國標,加※產品類型為參照國標制定的企標;

   2、檢測方法統一依據GB/T3782—2006,加【】檢測項目為企標;根據用戶需要,部分控制指標可
       以適當調整。

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