Description
Product DescriptionCalcium carbonate 471-34-1, also known as limestone, stone powder, is a common chemical on the earth, belonging to inorganic salt minerals, alkaline, insoluble in water, soluble in acid, naturally existing in graupel, calcite, chalk, limestone, marble, limestone and other rocks, insoluble calcium carbonate and dissolved carbon dioxide water in lime strata can be converted into calcium bicarbonate, and water soluble with calcium bicarbonate can also precipitate calcium carbonate. This is the reason for the formation of caverns.
Function&ApplicationIt is also widely used in rubber, adhesive and sealant as filler and reinforcing agent. Used in rubber, can effectively improve the compressive strength, wear resistance and extrusion strength of rubber products; used in plastic products, make the surface smooth, replace some pvc resin dosage; used in papermaking, can improve the gloss, whiteness and imtransparency of coated paper, improve the printability of paper, widely used in extinction paper, carbon-free copy paper, paper quantitative coating paper, white cardboard and so on.Specification| Item | Index |
| Melting Point | 825 °C |
| Form | White-beige to slightly beige-gray powder or crystals |
| Density | 2.93 g/mL at 25 °C(lit.) |
| Storage | Store at RT. |
| Solubility | 5 M HCl: 0.1 M at 20 °C, clear, colorless |
| Water Solubility | Insoluble |
| Stability | Stable. Incompatible with acids, fluorine, ammonium salts, alum. |
| Explosive Limit | 1.6583 |
Packing & Delivery For small samples quantity <1 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags. For medium quanity 1-25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags, then packed in cartons or small drums for shipping.
For larger quanity >25 kilograms, inside we use double resealable zip bags and outside with aluminium Foil Bags OR bigger size double seal PET bags for 25kgs in bulk then packed in drums for shipping.
Please contact us for more details if you have any question!
Our CompanyCrovell
Crovell is a fast growing intermediates company,Which located in Shijiazhuang,Hebei Province.
So far, Crovell has business in more than 35 countries,most big customers come from europe and America, because among the suppliers in china,Crovell can always make the product quality best, most of products from Crovell can reach the purity of 99.9+,the important reason for customers who choosing Crovell.CertificationsExhibition
Our Service
1. Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years
2. Prompt shipment with professional documents
3. Packing as your request, with photo before shipment.FAQQ1.
Can I have a sample order for your products?A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2.
What about the lead time?A:Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than
Q3.
Do you have any MOQ limit for order?A: Low MOQ, 10-100g for sample checking is available
Q4.
How do you ship the goods and how long does it take to arrive?A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5.
How to proceed an order for your products?A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Q6.
Is it OK to print my logo on package?A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
If you have any other needs, please contact me.
Complaint
