precipitated calcium carbonate for paper making

Product Overview

Description

precipitated calcium carbonate for paper making

The specifications of Calcium Carbonate
CAS No.: 471-34-1 
Molecular Weight: 100.09 
Chemical Formula: CaCO3 
Synonyms: Carbonic acid calcium salt; calcite; aragonite; limestone 
Appearance: Odorless, hygroscopic white crystal or powder
Melting point, ° C: 825 (decomposition)
Density (20°C), g/cm3: 2.7~2.9

 Main parameters of  Calcium Carbonate for Paper:

Specification	Calcium Carbonate for Paper making
CaCO3 content (Dry basis), %                    ≥	98
PH(10% Soliquit)	9
Moisture content, %                               ≤	0.5
Settling value,ml/g                                 ≥	2.6
Top Cut, μm                                      ≤	2.0
Average Grain(D50),μm                        ≤	0.08
Fe,%                                                  ≤	0.1
Mn,%                                                 ≤	0.006
Residues  45μm,%                            ≤	0.00
Whiteness ,%                                  ≥	97
Absorption oil Number (DOP), ml/100g	32
Activation,%	99
Appearance	POWDER

 

 Usage for paper making

Whitening the paper, and as the filler, can reducing the pulp, for saving the cost.

Features: High whiteness, fine grain size, low impurity, adopting dry surface treatment technique, 

with high activation rate.

 

Package and storage

1) 25kg/bag in kraft bag or poly woven bag,or addording to your demand/design.

2) Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage.

 

Note: Our “greatlion” calcium carbonate is well known among chinese market for its high quality.

we can offer all kinds of  Calcium Carbonate for Paper in different whiteness, purity, and high brightness, ultra-fine, according to your demand.

 

We hope to build long-term business with you in competitive price and high quality.