Product Description Magnesia brick is an alkaline refractory material. It is made of calcined magnesia or molten magnesia and can be divided into fired and unfired magnesia bricks. It is formed by high pressure and has good slag resistance. The firing temperature is 1500-1600°C. Product Parameters Item MZ-97 MZ-95 MZ-93 MZ-91 MgO % ≥97 ≥95 ≥93 ≥91 SiO2 % ≤1.0 ≤2.0 ≤3.5 - CaO % - ≤2.0 ≤2.0 ≤3.0 Apparent porosity/% ≤16 ≤16 ≤18 ≤18 Cold crushing strength/ Mpa ≥60 ≥60 ≥60 ≥60 Refractoriness under load, 0.2MPa, °C ≥1700 ≥1650 ≥1620 ≥1560 Reheating Linear Change(1650 °C,2h) /% 0~-0.2 0~-0.3 0~-0.4 0~-0.4 Detailed Photos Certifications Packaging & Shipping We usually provide professional wooden crates and pallets for the shipment of refractory bricks. We can also customize the packaging according to customer requirements. When each order is shipped, we will provide pictures or videos to ensure that customers receive satisfactory products. FAQ Q1:What's the MOQ of rder? A:No limit,We can offer the best suggestions and solutions according to your condition. Q2:Which payment terms can you accept? A:T/T,L/C,Western Union,Moneygram,Paypal are available for us. Q3:Is your company accept customization? A:We have own factory and excellent technical team,and we accept OEM service. Q4:How about your company's certification? A:we can supplyISO9001 and Test Report,also we could apply other necessary certification.