US 12,071,580 B2
Fire-proof material
Gabriela Chlandová, Borohrádek (CZ); and Petr Spaniel, Ceské Mezinci (CZ)
Assigned to First Point A.S., Hodonin (CZ)
Appl. No. 17/627,667
Filed by FIRST POINT A.S., Hodonin (CZ)
PCT Filed Jun. 26, 2020, PCT No. PCT/CZ2020/000032
§ 371(c)(1), (2) Date Jan. 15, 2022,
PCT Pub. No. WO2021/023322, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. CZ2019-511 (CZ), filed on Aug. 6, 2019.
Prior Publication US 2022/0356402 A1, Nov. 10, 2022
Int. Cl. C09K 21/02 (2006.01); C04B 14/42 (2006.01); C04B 28/26 (2006.01); C04B 111/00 (2006.01); C04B 111/28 (2006.01)
CPC C09K 21/02 (2013.01) [C04B 14/42 (2013.01); C04B 28/26 (2013.01); C04B 2111/00017 (2013.01); C04B 2111/28 (2013.01)] 6 Claims
 
1. A fire-proof thermal insulation material comprising 34 to 49.9 wt % of inorganic non-flammable fibers, 50 to 65 wt % of an aqueous silicate solution, and 0.1 to 1 wt % of a water glass stabilizer, further comprising a water glass hardener, wherein the aqueous silicate solution has a density in the range of 1370 to 1400 kg/m3 and a molar ratio of SiO2 to Na2O in the range of 3.2 to 3.4.