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Diatomite insulation brick is often used as insulation for high-temperature kilns and other thermal equipment. Diatomite bricks comprise a small amount of binder and combustible materials added to diatomite. The production of diatomite bricks requires wetting, mixing Raw materials, การปั้น, firing, and other steps.

Physical and chemical indicators of diatomite insulation bricks

Products Properties	FR-0.5	FR-0.6	FR-0.7	FR-0.8	FR-1.0
ความหนาแน่นรวม กรัม/ซม3	≤ 0.5	≤ 0.6	≤ 0.7	≤ 0.8	≤ 1.0
Cold crushing strength kg/cm2	≥ 8	≥ 12	≥ 20	≥ 35	≥ 50
Reheat shrinkage % at 900° C×8hrs	0.5	0.5	0.5	0.5	0.5
Thermal conductivity W/(M. เค)at 300° C mean	0.11	0.15	0.18	0.20	0.23
Max service temp ° C	900	900	900	900	900
Chemical composition %
ซีโอ2	71.5	71.0	70.5	70.0	70.0
อัล2อ3	16.5	17.0	17.5	18.0	18.0
เฟ2อ3	4.0	4.2	4.5	5.0	5.0

The main chemical composition of diatomite insulation firebrick

Diatomite insulation brick’s main chemical composition is SiO₂, followed by Al₂อ₃, and impurities such as iron oxides, potassium, sodium, calcium, and magnesium.

Advantages of diatomite bricks

1. The fire-resistant thermal expansion rate is small, and not easy to deform.
2. It has lightweight and high compressive strength.
3. Good heat preservation effect, and reduces energy consumption.
4. Low bulk density and small thermal conductivity.
5. The construction is convenient and the surface is smooth.

Application of diatomite insulation bricks

Diatomite insulation bricks are often used in electric power, โลหะวิทยา, อุตสาหกรรมเคมี, and cement industries, especially in pipes and fireplaces of thermal equipment.

Diatomite insulation brick supplier certificate

Rongsheng success cases

โรงงาน Rongsheng ก่อตั้งขึ้นเพื่อ 20 ปี, exported to more than 80 ประเทศ, and has more than 1,000 transaction customers. We hope to establish a long-term cooperative relationship with our customers.

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