China Gold Supplier for Ld Davis Glues - Bone Ash – Gelken
China Gold Supplier for Ld Davis Glues - Bone Ash – Gelken Detail:
It is mainly used in the production of high-grade bone porcelain in the ceramic industry, and can also be used in opal glass, pigment stabilizer, polishing agent, syrup clarifier, etc.
Grade A bone ash is bone charcoal processed to 120 mesh, used in ceramic industry and metallurgical demould and sewage purification.
Bone ash is obtained from animal bones after calcination at high temperature. The raw bone is put into a high-pressure tank and added with appropriate amount of water. The bone is steamed at 150 ℃ for 2 hours, so that the bone is degummed into bone blocks without protein, and then dried.
The deprotein dry bone block is placed in a high-temperature kiln with natural gas as fuel and burned at a high temperature of 1250 ℃ for 1 hour or at a high temperature of 1300 ℃ for 45 minutes. During this period, the ‘N’ is completely calcined and all bacteria are completely burned off.
The burnt bone carbon blocks are crushed and screened into different specifications by vibrating screen, which usually include: 60-100 mesh, 0-3mm, 2-8mm, etc.
| Physical and Chemical Items | Testing Standard | Testing result |
| 1. AI2O3 |
≥0.01% |
0.033% |
| 2. Bao |
≥0.01% |
0.015% |
| 3. CaO |
≥50% |
54.500% |
| 4. P2O5 |
≥40% |
41.660% |
| 5, Calcination loss(Loss weight) |
≤1% |
0.820% |
| 6. SiO2 |
≥1% |
0.124% |
| 7. Fe2O3 |
≥0.05% |
0.059% |
| 8. K2O |
≥0.01% |
0.015% |
| 9. MgO |
≥1% |
1.045% |
| 10. Na2O |
≥0.5% |
0.930% |
| 11. SrO |
≥0.01% |
0.029% |
| 12. H2O |
≤1% |
0.770% |
| 13. Quality guaranteed period: Three years, Should be stored in the sealed containers in cold dry conditions away from odoriferous materials. | ||
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We have our own product sales staff, style crew, technical group, QC staff and package staff. We now have strict high quality management procedures for each approach. Also, all of our workers are experienced in printing subject for China Gold Supplier for Ld Davis Glues - Bone Ash – Gelken , The product will supply to all over the world, such as: Finland, Turkey, Moscow, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.
By Mandy from Mauritius - 2017.06.19 13:51
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
By Georgia from Nepal - 2017.07.28 15:46
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