粗壮挺进人妻水蜜桃成熟漫画,老妇女性较大毛片,97色伦2视频在线观看,成年美女黄的视频网站

Telephone:+(86)-(411)-87260188


Paints and Coatings

?Zinc oxide is used in both water and solvent based formulations. It can be used as a pigment as well as an excellent brightener.
?Zinc oxide is an additive which absorbs UV rays to extend color retention.
?Finally zinc oxide is an excellent inhibitor of fungi, mildew and mold.

Standard: GB/T3185-92
 Item Index
 Model Top garde First grade Qualified product
 Zinc oxide(as Zno)%,≥ 99.7 99.5 99.4
 Metals (as Zn)%,≤ No No 0.008
 Lead oxide（as Pb）%,≤ 0.037 0.05 0.14
 Residue on sieve（45um）%,≤ 0.10 0.15 0.20
 Volatile matter on 105℃%,≤ 0.3 0.4 0.5
 Water soluble matter%,≤ 0.10 0.10 0.15
 Oil absorption g/mg 14 14 14
 Color (compared with the standard sample) Similar Slight yellow Slight yellow
 Reducing power(compare with the  standard samples) ≥ 100 95 90

av人摸人人人澡人人超碰小说| 久久人人爽爽爽人久久久 | 蜜臀av无码精品人妻色欲| 伊人色综合一区二区三区| 99国产精品久久久久久久成人热 | 国产精品无码不卡一区二区三区| 国内老熟妇对白hdxxxx| 欧美黑人疯狂性受xxxxx喷水| 久久99亚洲精品久久久久| 国产午夜精品久久久久免费视 | 久久无码人妻一区二区三区午夜| 色鬼7777久久| 亚洲码欧美码一区二区三区| 综合无码一区二区三区| 亚洲国产三级在线观看| 狠狠色噜噜狠狠狠狠av| 亚洲综合成人婷婷五月网址| 亚洲乱码av中文一区二区| 在线观看的av网站| 国产人澡人澡澡澡人碰视频| 色欲人妻综合aaaaa网| 香蕉久久人人97超碰caoproen| 白嫩少妇激情无码| 精品黑人一区二区三区| 欧美人伦禁忌dvd放荡欲情| 亚洲阿v天堂在线| 精品无码中文视频在线观看| 俺去俺来也在线www色官网| 亚洲天堂2017无码| 亚洲精品久久久久久一区二区| 亚洲av无码乱码在线观看性色| 久久久久亚洲av无码专区桃色| 国产高清无密码一区二区三区| 日本三级理论久久人妻电影| 国产精品va在线观看无码| 精品97国产免费人成视频| 国产 一二三四五六| 又大又粗又爽的少妇免费视频| 国产欧美va欧美va香蕉在线| 欧美老熟妇喷水| 国产成年无码久久久久下载|