Origin: Huairen, Shanxi
Tricalcium phosphate content meeting GB/T 13522-2024, with thin translucent walls and a warm tone. Huairen firms co-drafted this national standard.
Made in Huairen, Shanxi — for homes and hotels worldwide. For bulk or OEM, send an inquiry.
Bone china adds herbivore bone ash to supply tricalcium phosphate. GB/T 13522-2024 requires no less than 36% in the fired body, and in practice bone-ash content generally exceeds 40% to secure high whiteness and translucency. Bone china uses an inverted twin firing — high-temperature bisque at 1240–1255°C then low-temperature glaze firing at 1100–1150°C — to overcome slumping at high heat. Huairen Jintai Ceramics appears among the drafting organisations for the standard.
| Diameter | Approx. 27 cm |
|---|---|
| Material | Bone china, ≥36% tricalcium phosphate |
| Firing | Bisque 1240–1255°C, glaze 1100–1150°C |
| Thermal shock | Testable per GB/T 3298 |
The only reliable method is testing tricalcium phosphate in the fired body. Write into the technical clause: complies with GB/T 13522-2024, tricalcium phosphate not less than 36%, third-party report supplied with shipment.
Yes, but gold banding is on-glaze work: the finished piece is not microwave safe, and the EU sets separate lead and cadmium limits for decoration within 2 cm of the rim.
Share sourcing or customization needs — we connect you with regional capacity; product-based auto-routing is coming.
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