Dear friend,
Nice to meet you.
This is Luna from Tianjin Xingyu Fertilizer Industry Co., Ltd. We supply Dead-Burned Magnesia (DBM) in various MgO grades and grain sizes for refractory brick, castable and steel applications.
Please allow us to briefly introduce our DBM supply capability:
�� Dead-Burned Magnesia (Refractory Grade)
MgO: 86% / 90% / 92% / 95% / 97%
Bulk Density: ≥ 3.20 g/cm³ (MgO≥92%), ≥ 3.10 (MgO 86%)
SiO₂: 1.2%–3.0% depending on grade
Size: 0–0.088mm / 0–1 / 1–3 / 3–5 / 5–10mm or as required
�� Advantages:
✔ Stable kiln-fired quality
✔ Low impurities, high refractoriness (>1790°C)
✔ Consistent sizing & packing (1MT jumbo / 25kg bag)
✔ Third-party inspection accepted (SGS/BV)

If you are looking for a stable Chinese source with full COA, we would be glad to send our standard COA for evaluation.
Looking forward to your reply.
Best regards,
Luna