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Long Lasting Insulation Semi Silica Brick for Lime Kilns1
Refractory MaterialSemi Silica BrickRefractory Semi Silica Brick
Zibo Thermaxcel Co., Ltd.
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Product Description Product DescriptionSemi-silica brick Semi-silica brick is a refractory material mainly composed of quartz (SiO2) and aluminum silicate (such as clay). The SiO2 content is usually between 65%-75%, which is between silica brick (SiO2 content>93%) and clay brick (lower SiO2 content). Semi-silica bricks are widely used in high temperature industries such as metallurgy, glass, ceramics, etc., such as the lining of blast furnaces, hot blast furnaces, glass kilns and ceramic kilns.Semi-silica brick features :1. Good high temperature resistance: semi-silica bricks can remain stable at high temperatures and are suitable for high temperature environments. 2. Strong thermal shock resistance: can withstand rapid temperature changes without cracking or damage.3. High chemical stability: has good resistance to both acidic and alkaline environments, suitable for a variety of chemical environments.4. High mechanical strength: has high compressive and flexural strength, can withstand mechanical stress.5. Moderate thermal conductivity: thermal conductivity is between high alumina bricks and silica bricks, suitable for occasions requiring medium thermal conductivity.6. Strong resistance to slag erosion: can effectively resist slag erosion and extend service life.7. Low cost: compared with high alumina bricks and silica bricks, semi-silica bricks have more advantages in price and high cost performance.BrandPropertiesSemi-silica bricksBulk Density(g/cm3)1.80~1.95Cold Crushing Strength(MPa)≥25Apparent Porosity(%)20~28Thermal Shock Stability(1100oC water cooling)(Times)≥30Chemical Analysis(%) SiO277~81Al2O314~18Fe2O31.2 Q1 : How can you control your quality?A1 : For each production processing, we have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods. Q2 : What is your lead time? A2 : It usually needs about 15- 20 days after receiving the PO. Q3 : Do you provide free samples?A3 : Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost. Q4 : What is your payments terms?A4 : We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms. Q5 : Can we visit your company?A5 : Yes, for sure, you are welcome to visit JUCOS company. Q6 : What standards do you have?A6 : Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc. The third party testing is all available for us.
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