Physical Parameter
No. Item Value Unit
1 Outside diameter 19 ± 1 mm
2 Side crushing strength ≥ 1000 N/pic
3 Height 19 ± 1 mm
4 Water absorption ≥ 13 wt%
5 Bulk density 1.2 ± 0.1 t/m3

Chemical Composition

Unit  : wt%
MgO SiO2 Fe2O3 Al2O3 TiO2 Oters
≥ 88 ≤ 2 ≤ 2 1 ~ 5 0 - 3 Trace
We can provide shape customization service.
Our Advantages

1. Offer free sample.

2. Trial orders are welcome.

3. Strictly quality control.

4. Reasonable price.

5. Excellent delivery

Our Services

1. 24 hours online and quick response.

2. Good after-sales services online.

3. OEM and ODM

Why choose us

We have advanced production facilities, which make it easy to control the quality and ensure the delivery time.

We have a team of experienced technicians, who help our customers to solve many problems.

We provide customers warm, responsible and quality-based services.