1.普通工(gong)业沉淀碳酸钙水分要求:
(1)橡胶(jiao)和塑料应用:优(you)等(deng)品(pin)≤0.4%,一等(deng)品(pin)≤0.5%
(2)涂料用:优(you)等品≤0.4%,一(yi)等品≤0.6%
(3)造纸用:等品(pin)≤1%,一(yi)等品(pin)≤1%
2.工业微细沉(chen)淀(dian)碳酸(suan)钙(gai)和工业微细活性沉(chen)淀(dian)碳酸(suan)钙(gai)水分(fen)指(zhi)标要求
(1)工业微(wei)细沉(chen)淀(dian)碳酸(suan)钙:优(you)等品≤0.4%,一等品≤0.6%
(2)工业(ye)微细(xi)活性沉淀碳酸钙:优(you)等品≤0.3%,一等品≤0.5%
3.工业(ye)活性沉淀碳酸钙水分(fen)指标(biao)要(yao)求:一等品≤0.4%,合格品≤0.6%
4.纳米(mi)碳酸钙水(shui)分(fen)指标:≤1.0%
(1)橡胶(jiao)塑料用:Ⅰ≤0.4%,II≤0.4%,Ⅲ≤0.5%
(2)密封胶(jiao)、胶(jiao)粘剂:Ⅰ≤0.5%,II≤0.5%
(3)胶(jiao)印油墨用(yong):Ⅰ≤0.6%,II≤1.0%
(4)涂料(liao)用:≤0.5%
5.工业重(zhong)质碳(tan)酸钙水分指标:
(1)重(zhong)质碳(tan)酸钙:优(you)等品(pin)≤0.4%,一等品(pin)≤0.5%,合格(ge)品(pin)≤1.0%
(2)活性重质碳(tan)酸钙:一(yi)等品≤0.5%,合格品≤0.7%
6.造(zao)纸粉(fen)状超细、细、粗粒度填料级研(yan)磨碳酸(suan)钙水分指标:≤0.5%
7.牙膏工(gong)业用轻(qing)质碳酸(suan)钙水分指标:≤0.5%
8.牙膏用(yong)重质(zhi)碳酸钙水分指标:≤0.2%
9.低砷碳酸钙水分技(ji)术:≤2%
10.浆(jiang)状和(he)膏(gao)状碳(tan)酸钙(gai)固含量(liang)指(zhi)标要(yao)求
(1)浆状固含量15-30%
(2)膏状固含(han)量≥40%
11.钻井液用超细碳酸钙固含量指(zhi)标要求:
(1)固含量:Ⅰ:15-30%,II≥40%