C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/32, 403/9
C09D 5/18 (2006.01)
Patent
CA 1197946
QL-1 CAN ABSTRACT FIRE PROTECTIVE TAPE A fire protective tape using a halogen-free mastic coating on a fabric support is provided, the essential components of the mastic being solids includ- ing a low fusing ceramic frit, hydrated solids having chemically bonded water which is released as a fire protective water vapor when heated, solids which expand or intumesce during the same heat application to form a porous, expanded or foamy insulating body, solids which have a fire break effect, such as antimony oxide and zinc tetraborate, and binder solids which are thermo- plastic resins and serve to bind the solids into a flexible coating when applied, the binder solids being dispersed as an emulsion in water and mixed with the other solids to form a mastic. With further addition of water the mastic is converted to a selected viscosity for application by troweling, coating or spraying. The mastic is applied as a coating upon the sheet-like car- rier, which may be wound as a tape upon single or grouped electric power and control cables to restrict fire propa- gation and to prevent self ignition of cables from fires due to overloading or other electrical faults, or from oil, waste or trash fire sources, thereby minimizing the danger of self ignition of gases or combustible materials such as other cable jacketing, insulation or other flam- mable materials.
414717
Macrae & Co.
Thomas & Betts Corporation
LandOfFree
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