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pvc board 98% whiteness superfine nano calcium carbonate powder
1. Calcium carbonate technical data
Test item(PCC in 1250mesh) | Standards | |
Caco3 content(%) | ≥96 | 98 |
Oil-absorbed value (gDOP/100gCaCO3 ) | ≤100 | 70 |
settling volume | ≥2.4 | 2.6 |
HCl insoluble(%) | ≤0.2 | 0.015 |
volatile content(%) | ≤0.5 | 0.22 |
Manganese(Mn)content(%) | ≤0.008 | 0.001 |
iron(Fe) content(%) | ≤0.08 | 0.02 |
PH value | 9~10.5 | 9.5 |
black spot | ≤5 | 4 |
Whiteness | ≥95 | 97 |
residue on 45μm testing sieve(%) | ≤0.4 | 0.11 |
water absorption value | ≤20 | 18.1 |
average diameter(μm) | / | 2 |






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6.more questions about calcium carbonate
Q:What is calcium carbonate made of?
A:They are limestone, marble and calcite.
Q:What are your calcium carbonate used for?
A:filler in paper, paint, sealants and coatings etc.
Q: Are your manufacturer or Trading Company?
A: BaiRui is professional manufacturer,more than 25 experience and specialized in calcium carbonate with exporting right.
Q: How about the MOQ and sample?
A: 5tons, sample free .
Q: Quality gurantee
A: We have our own mines,producing lines, technology team and after-sale service team supporting for best quality .
Q: How long is your delivery time?
A: Grnerally it is 2-5 days if in stock.15-20 days for producing period
Q: Which payment terms are available?
A:T/T,Paypal,Western Union and LC
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