碱式碳酸锌
分子式：ZnCO3• 2Zn(OH)2•H2O
分子量：324.15
性质：白色细微无定形粉末，无臭、无味。比重4.42-4.45，不溶于水和醇，微溶于氨，能溶于稀酸和氢氧化钠中，与30%双氧水作用，释放二氧化碳，形成过氧化物。
用途：用作轻形收敛剂，橡胶或电缆的补绅剂，活化剂（天然橡胶），白色橡胶的着色剂的填剂，天然橡胶和氯丁橡胶的硫化剂，还可以作聚烯和聚氯乙烯等塑料的光稳定剂。
适用行业：橡胶、油田、油漆、医药等行业
包装：25Kg塑编包装
中华人民共和国化工行业标准HG/T2523-93
项 目(ITEMS) | 指 标(INDEX) | ||
优等品 (High-Class) | 一等品 (First-Class) | 合格品 (Qualified) | |
主含量(Zn) % ≥ | 57.5 | 57.0 | 56.5 |
烧失量 | 25.0-28.0 | 25.0-30.0 | 25.0-32.0 |
重金属(Pb)含量% ≤ | 0.04 | 0.05 | 0.05 |
水份 ≤ | 2.5 | 3.5 | 5.0 |
硫酸盐(so4) % ≤ | 0.60 | 0.80 | - |
细度通过75um筛网≥ | 95.0 | 94.0 | 93.0 |
镉(Cd)含量 % ≤ | 0.10 | - | - |
英文版The English version
Alkaline zinc carbonate type
Molecular formula: ZnCO3, 2 zinc (OH) 2 H2O
Molecular weight: 324.15
Properties: white fine amorphous powder, odourless, tasteless. Proportion of 4.42 to 4.45, insoluble in water and alcohol, slightly soluble in ammonia, soluble in dilute acid and sodium hydroxide, with 30% hydrogen peroxide, releasing carbon dioxide, the formation of peroxides.
USES: used as a light astringent, rubber or cable for gentlemen and agent, activator (natural rubber), filling agent of white rubber stains, natural rubber and chloroprene rubber vulcanizing agent, also can make polyene and polyvinyl chloride (PVC) plastic, such as light stabilizer.
Applicable industries: rubber, oil, paint, medicine and other industries
Packing: 25 kg plastic woven bag
The People\'s Republic of China chemical industry standard HG/T2523-93
Project (ITEMS)
Refers to the standard (INDEX)
Classy article
(High - Class)
Grade a
(First - Class)
Nonconforming product
(Qualified)
The main content (zinc) % p
57.5
57.0
56.5
Ignition loss
25.0 to 28.0
25.0 to 30.0
25.0 to 32.0
Heavy metal (Pb) content % or less
0.04
0.05
0.05
Water or less
2.5
3.5
5.0
Sulfate (so4) % or less
0.60
0.80
-
Screen mesh fineness via 75 um or greater
95.0
94.0
93.0
Cadmium (Cd) content % or less
0.10
-
-
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