1.普通工(gong)业沉淀碳酸钙水分要(yao)求:
(1)橡胶和塑料应用:优(you)等(deng)品≤0.4%,一等(deng)品≤0.5%
(2)涂料(liao)用:优等(deng)品≤0.4%,一等(deng)品≤0.6%
(3)造纸用(yong):等(deng)品≤1%,一等(deng)品≤1%
2.工(gong)业微(wei)细沉淀碳酸钙和(he)工(gong)业微(wei)细活性沉淀碳酸钙水分指标要求
(1)工业微细沉淀碳酸钙:优等品≤0.4%,一等品≤0.6%
(2)工业微细活(huo)性沉淀碳酸钙:优等品(pin)≤0.3%,一等品(pin)≤0.5%
3.工业活性沉淀碳酸钙水分(fen)指标(biao)要求(qiu):一(yi)等(deng)品(pin)≤0.4%,合格品(pin)≤0.6%
4.纳米碳酸钙水分指标:≤1.0%
(1)橡胶(jiao)塑料用(yong):Ⅰ≤0.4%,II≤0.4%,Ⅲ≤0.5%
(2)密(mi)封(feng)胶(jiao)、胶(jiao)粘剂:Ⅰ≤0.5%,II≤0.5%
(3)胶印(yin)油墨(mo)用:Ⅰ≤0.6%,II≤1.0%
(4)涂料用:≤0.5%
5.工业重质碳酸(suan)钙水(shui)分指(zhi)标(biao):
(1)重(zhong)质碳(tan)酸钙:优等(deng)品(pin)≤0.4%,一(yi)等(deng)品(pin)≤0.5%,合(he)格(ge)品(pin)≤1.0%
(2)活性重质碳酸钙(gai):一等品≤0.5%,合(he)格品≤0.7%
6.造(zao)纸粉状(zhuang)超(chao)细、细、粗粒(li)度(du)填料级(ji)研(yan)磨碳酸钙水(shui)分(fen)指标:≤0.5%
7.牙膏工业用轻质(zhi)碳酸钙水分指(zhi)标(biao):≤0.5%
8.牙(ya)膏(gao)用重(zhong)质(zhi)碳酸(suan)钙水(shui)分(fen)指标:≤0.2%
9.低砷碳酸钙水分技(ji)术:≤2%
10.浆状和膏状碳酸钙固含量(liang)指(zhi)标要求
(1)浆状固含量15-30%
(2)膏状固含量(liang)≥40%
11.钻井液用超细碳(tan)酸钙固含量指标要求(qiu):
(1)固含(han)量:Ⅰ:15-30%,II≥40%