ltem | Specification | Result | |
(CaCO3)w/%≥ | 99 | 99.1 | |
PH Value(10%suspension) | 9.0-10.5 | 9.35 | |
105ºCVolatile w/%≤ | 1 | 0.5 | |
Hydrochloric acid insoluble matter w/%≤ | 0.2 | 0.06 | |
Sedimentation volume(ml/g)≥ | 3.4 | 3.5 | |
(Mn)w/%≤ | 0.008 | 0.001 | |
(Fe)w/%≤ | 0.08 | 0.01 | |
Fineness (sieve residue)w/%≤ | 125um | All Passed | All Passed |
45um | 0.2 | 0.15 | |
Whiteness/Brighteness≥ | 95 | 95.46 | |
Oil Absorption/(g/100g)≤ | -- | ||
Black spots(pc/g)≤ | 5 | 2 | |
(Pb)w/%≤ | 0.001 | N/A | |
(Cr)w/%≤ | 0.0005 | N/A | |
(Hg)w/%≤ | 0.0002 | N/A | |
(Cd)w/%≤ | 0.0002 | N/A | |
(As)w/%≤ | 0.0003 | N/A |
Calcium carbonate (CaCO3) is an inorganic compound commonly known as limestone, marble, chalk, and other names. Calcium carbonate is neutral, slightly soluble in water, and dissolves in hydrochloric acid.


2. It is the filling material of rubber, which can make the rubber bright color, large elongation, high tensile strength and good wear resistance. Used as filler for artificial leather, wire, PVC, paint, ink and paper industry. When used for the production of microporous rubber, it can make the foam uniform. 3. Used as an analytical reagent, such as a reference reagent. Sample flux and volatile auxiliaries in emission spectrum analysis. It is used as silicon single crystal slicing adhesive, thick film capacitor material, optical glass and pharmaceutical industry raw material.
4. Used as a white filler for plastics, paper, rubber, paint, ink, etc. In adhesive manufacturing, it can be used as a filler for epoxy adhesive, nylon sealant, neoprene sealant, etc.
5. Used as raw materials in the daily chemical industry to manufacture toothpaste, dental powder, etc. 6. It is used in medicine as an acid-making agent for gastric and duodenal ulcer disease and an antidote for acidosis.
7. Used in agriculture as feed additive and antimicrobial agent for dairy cattle.
8. Used to remove SO2 from sulfur-containing waste gas in industrial waste gas treatment.
9. Used as a neutralizer and flocculant for industrial wastewater in water treatment.
10. Used as an anti-adhesive in the production of oil felt. It is used in wine making to eliminate the sour taste, and is also used as a filler in the manufacture of matches, pencils, crayons, insulation materials, welding rods, etc.
11. Used in the manufacture of powder, powder, gouache, rouge and other raw materials, the manufacture of powder cosmetics as a flavor mixture.
Our product is meticulously packaged in robust 25kg bags, ensuring unparalleled protection and ease of transport. A standard 20ft container can expertly accommodate up to 27 tons, making it the quintessential choice for large-scale distribution ventures.





1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2.what can you buy from us?
catalyst,Functional additive,Inorganic raw material,additive,Pigment dye
3.What's your delivery time?
It depends on order quantity, usually we will arrange shipment within 3-20 days
4.Can l get sample before order?
Yes, we can provide free sample once price is agreed,and you have to pay us the delivery fee in advance
5. why should you buy from us not from other suppliers?
We with a sound management system. Long-term commitment to chemical products research and development, production and marketing. Our products include organic chemical raw mate
6. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,CNY;
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