我公司生产的碳酸钙系列产品均按照国家HG/T2226-2000HG/T2567-94生产标准进行严格的检验生产,通过了省、市、地级技术监督部门检验,完全达到国家标准。其中橡胶专用钙、涂料专用钙、塑料专用钙、油漆专用钙、油墨专用钙、造纸专用钙、医用碳酸钙等产品为国内多家大型企业供货,并远销东南亚、日韩等国家地区。
重质碳酸钙(重钙)说明
一、重质碳酸钙的性质及结构
重质碳酸钙简称重钙,是用优质的方解石为原料加工而成白色粉体,它的主要成分是CaCO3,重钙具有白度高、纯度好、色相柔和及化学成分稳定等特点。所以重钙是工业常用的一种很好的填料。
二、重钙的物理特性
成分 CaCO3(%) 密度(g/cm3) 硬度 白度 PH值 水分
含量 70-98 2.7 3 97 8-9 <0.5
三、重质碳酸钙的应用及用途
重钙通常用作填料,还广泛用于人造地砖、橡胶、塑料、造纸、涂料、油漆、油墨、电缆、建筑用品、食品、医药、纺织、饲料、牙膏等日用化工行业,作填充剂起到增加产品的体积,降低生产成本。用于橡胶中,可增加橡胶的体积,改善橡胶的加工性,起半补强或补强作用,并可调节橡胶的硬度。用于化学建材中,具有耐热、耐化学腐蚀、耐寒、隔音、防震和加工容易等特性,可做门、天花板、墙板、上下水灌、楼梯扶手,地板和电线等,在油性涂料中,重钙做为填料,可起到骨架作用。在塑料中,可增加塑料的体积,降低产品成本,提高塑料的尺寸稳定性及塑料的硬度和刚性,改善塑料的加工性能,提高塑料的耐热性,改进塑料的散光性。做纸浆材料,充分利用重钙的白度高、亲水性好、冲击强度高等特点。
轻质碳酸钙:
工业沉淀 碳酸钙 (轻质碳酸钙)
分子式:CaCO3
相对分子质量:100.09
外 观:白色粉末
轻质碳酸钙用途
广泛用于橡胶、塑料、PVC管材、型材、涂料、纸张、油漆、密封胶、日用
品、医药、饲料中作为填料和补强剂。不但能增加容积、降低成本、更主要
的是能改善基质的加工性能、还能起补强、抗张、耐磨、耐撕裂、提高光泽
等作用,所以碳酸钙不是一般的填料,而是被称为功能性的填料。
轻质碳酸钙白度高、流动性好,是PVC管材,型材最大的填充剂,对制品起
到了增加容积、稳定尺寸、耐热、平整、光泽等方面效果明显,从而降低了
成本,达到制品质量的目的。
橡胶专用钙,具有吸油值低、补强效果好、耐磨性强和抗撕裂等特点。
涂料专用钙能增强附着力、颜色牢固抗氧化、增加填量、降低成本等优点。
1.Introduction:
Calcium Carbonate selects high purity limestone as raw material, is made through process of calcining, chemical reaction, reselection, dehydration, drying and depolymerization. It is adopted the technics of particular multi-selection and secondary depolymerization. It is pure and stable filler whose bulk density is small
Calcium Carbonate 98%min
Whiteness 93%min
white powder
It is good at painting,cable,paper,rubber industrial and so on.
Calcium Carbonate
Physical and chemical properties:
Molecular formula: CACO3
Molecular weight: 100.09
Density: 2.70-2.95
White crystal or powder
Its difficult solubilize in water and release CO2 in acid.
2.Superfine Heavy & Light Calcium Carbonate (CaCO3)
High White heavy Calcium Carbonate selects high purity limestone as raw material, is made through process of calcining, chemical reaction, reselection, dehydration, drying and depolymerization. It is adopted the technics of particular multi-selection and secondary depolymerization. It is pure and stable filler whose bulk density is small
3.Chemical & Physical Analysis:
Heavy Calcium Carbonate Quality Index:
| items | whiteness(%) | oil absorption(ml/100g) | moisture(%) | Residue on 325 mesh % ≤ | ||||||||||||||
| 800mesh |
| 25 | 0.3 | 0.02 | ||||||||||||||
| 1250mesh | 95 | 27 | 0.3 | 0.01 |
4.Package:
a) 25kgs/bag. 800 pcs PP Bag (with 1 ply PE Inner Bag) per 1x20' FCL
b) 20kgs/bag. 1,000 pcs PP Bag (with 1 ply PE Inner Bag) per 1x20' FCL
c) 800kgs/bag. 20 pcs Jumbo Bag and 50kgs/bag 80 pcs PP Bag (with 1 ply PE Inner Bag) per 1x20' FCL
d) Also available in white LLDPE bag (with 1 ply PE Inner Bag) per 20kgs and 25kgs
5.Application:
inside 200mesh: as the additive in the feed
250-300mesh: whitewash the wall,plastic,rubber,waterproof material
350-400mesh:gusset plate,chemical,pipe
400-600mesh:toothpaste and soap
800mesh:rubber,pvc,plastic,electric cable
1250mesh:pvc,PE,coating,papermaking.






