gypsum powder for chalk making - 001
Place of Origin: Hebei China (Mainland) | Brand Name: lvjoe | Model Number: 001 | delivery time: one week |
package: bag |

gypsum powder for chalk making
A Specification:
1 Standard consistence(%):38-40
2 Start of setting(min):8-14
3 End of setting(min):13-26
4 (2h)Bending tensile strength(Mpa):3.5Mpa-5Mpa
5 Mesh: 120mesh
6 Strength: 3. 5mpa-5Mpa
B Seld Introduction:
Our factory has 100000 tonproduction line of high sthenth gypsum powder, the major raw material is high quality alabastr(gypsum hemigydrates) from Yimeng Mountain and plaster of Paris processed with crushing, grinding, steamed, calcined, ect. The main markets are Europe, Africa, Mid east, Asia, Australia and so on.
We have complete variety and specification, can meet the different requirements. Welcome customs all over the world to cooperate with us. We will provide competitive price with good quality and best service.
C. Performance index (technical data)
ITEM | PERFORMANCE INDEX | DETECTION METHODS |
Exterior | Split evenly, without caking | Visual |
Water-holding capacity (mg/cm2) | ≤8 | |
Mobility(mm) | 120-150 | GB/T2419 |
Compressive strength(MPA) | 5.0-12.0 | GB/T17671 |
Flexural strength (MPA) | ≥2.20 | |
Pressure to cut cement strength (MPA) | ≥1.0 | JC/T547-1994 |
Pressure to cut cement to freeze-thaw resistance strength (MPA) | ≥0.40 | |
Shrinkage (%) | ≤0.30 | JGJ70 |
Packaging Detail:bag |
Delivery Detail:1 week |