Low-expansion heat-resisting fire-retardant glass

A fire-resistant glass, low-expansion technology, applied in the field of heat-resistant fire-resistant glass, can solve the problems of not being able to use the float process for one-time molding, low glass surface flatness, unable to meet fire protection requirements, etc., achieving light weight, small thermal expansion coefficient, blocking The effect of the spread of fire

Inactive Publication Date: 2006-07-19
CHINA LUOYANG FLOAT GLASS GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of glass has good chemical stability and mechanical properties, high mechanical strength, high flexural and compressive strength, high softening temperature, and small thermal expansion coefficient. The process cannot be continuously produced, and the float process cannot be used for one-time molding, and the flatness of the glass

Method used

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  • Low-expansion heat-resisting fire-retardant glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] SiO 2 81%, B 2 o 3 12%, Al 2 o 3 1%, Na 2 O 2%, K 2 O 0.6%,

[0033] ZrO 2 0.4%, ZnO 0.1%, MgO 0.5% CaO 2%, the balance is impurities brought by mineral raw materials / clarifiers.

Embodiment 2

[0035] SiO 2 80%, B 2 o 3 11%, Al 2 o 3 1%, Na 2 O 3%, K 2 O 0.5%,

[0036] ZrO2 0.5%, ZnO 0.8%, MgO 1%, CaO 1.5%, and the balance is impurities brought by mineral raw materials / clarifiers.

Embodiment 3

[0038] SiO 2 75%, B 2 o 3 13%, Al 2 o 3 2%, Na 2 O 4%, K 2 O 1%,

[0039] ZrO 2 1%, ZnO 1.5%, MgO 0.5%, CaO 2%, and the balance is impurities brought by mineral raw materials / clarifiers.

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Abstract

The invention provides a low expansion heat-resistant and fireproof glass, which comprises (by weight percent) SiO2 75-85%, B2O3 8-19%, Al2O3 1-5%, Na2O 2-5.5%, K2O 0-3%, Zr02 0-3%, ZnO 0-3%, MgO 0-3.5%, CaO 0-4%.

Description

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Claims

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Application Information

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Owner CHINA LUOYANG FLOAT GLASS GROUP
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