Calcium silicate building board
A non-carcinogenic building material composition with enhanced thermal stability addresses sagging issues and meets European fire resistance standards, ensuring safer industrial use.
AU2024395534A1Pending Publication Date: 2026-07-09PRTC NV
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Patent Information
- Application Number
- AU2024395534
- Authority / Receiving Office
- AU · AU
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-12-05
- Filing Date
- 2024-12-05
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Existing xonotlite-ettringite based building boards fail to meet European fire resistance standards due to sagging during high-temperature tests and contain carcinogenic TiO2 and ZrO2, posing health and safety risks.
Method used
A building material composition comprising less than 30% hydraulic cement, over 5% ettringite, organic fibers, reinforcing fibers, and porous calcium silicate hydrate aggregates without TiO2 or ZrO2, along with a balanced amount of clay minerals and recycled production waste, is used to enhance thermal stability and safety.
Benefits of technology
The composition achieves improved thermal stability and safety by passing European fire resistance tests with minimal sagging and eliminates carcinogenic components, ensuring safer industrial applicability.
✦ Generated by Eureka AI based on patent content.
Abstract
A calcium silicate building board with improved thermal stability and industrial applicability contains a hydraulic binder, xonotlite spherical particles, organic and inorganic fibers, clay minerals and ettringite that is decomposed by heat with consumption of energy. Improved thermal stability is obtained by modifying pore structure of the material to avoid board cracks and sagging at high temperatures.
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