Adopting 98% and above of calcium carbonate ore, our disintagrated chalk can be used in plastic rubber, plastic, coating amd papermaking . They have been well-received by our customers.
Address: Qingtang industrial zone, Jiande, Zhejiang, China
Postcode: 311601
Telephone: +86-571-64170988
Fax: +86-571-64170998
E-mail:sales@cnjinchun.com
Shanghai Office:+86-21-66272788
Brief introduction 
Adopting 98% and above of calcium carbonate ore, our disintagrated chalk can be used in plastic rubber, plastic, coating amd papermaking . They have been well-received by our customers.
Type
common disintagrated chalk , refined disintagrated chalk , reactive disintagrated chalk
Specification:
From 200 mesh to 10,000 mesh, most of them are super fine disintagrated chalk:
Item \ Standard |
Standard value |
Inspection value |
|
CaCO3% |
98 |
98.1 |
|
PH |
9-11 |
9.8 |
|
Insoluble matter in HCl |
≤0.5 |
0.2 |
|
Whiteness |
93 |
94 |
|
Moisture |
≤0.1 |
0.06 |
|
Oil adsorption |
20-40 |
23 |
|
Volatile matter on 105°C |
≤0.5 |
0.2 |
|
Fe , % |
≤0.025 |
0.011 |
|
Residue on screen |
125 |
≤0.005 |
0.001 |
45 |
≤0.5 |
0.08 |
|
Loss on ignition , % |
43.0-44.5 |
43.2 |
|
Our superfine disintagrated chalk can improve the whiteness and smoothness of paper, and it can lower production coast, especially for coating industry. It has got great praise from our customers.
Reactive calcium :
Item |
Standard |
Inspection Standard |
|
CaCO3% |
98 |
98 |
|
PH |
8-11 |
9.4 |
|
Residue on screen |
125 |
≤0.005 |
0.001 |
45 |
≤0.5 |
0.08 |
|
Whiteness |
93 |
94 |
|
Activation grade |
95 |
96 |
|
Fe% |
0.025 |
0.0011 |
|
Oil adsorption |
20-40 |
22 |
|
Grainsize(μm) |
1.2 |
1.1 |
|
Our reactive disintagrated chalk can improve the mechanics indexes of plastic rubber greatly, such as press strength, tensile strength, hardness, tearing strength, impact strength and abrasivity.