Description fast spraying sealed material is a good toughness spray-breathable material for surface sealing. Quick spray sealed material is based on two components: resin and catalyst. Two components, respectively, means a steel with a pressure tank, after mixing, using a dedicated spray gun for spraying, rapid prototyping after spraying will not fall off, cracking phenomenon. 2 Scope (1) New Roadway surface coating to prevent weathering of rocks. (2) along goaf coal wall and roof coating to prevent Breathing of Gob and gas emission. (3) protect and refresh the concrete slurry surface of the roadway and chambers. (4) on the the masonry class of closed wall and coal Bifeng surface coating to prevent the leakage of carbon monoxide, methane gas. Features simple, fast (2) good bonding properties (3) good flame retardant properties (4) spray (1) applies to permanent seal ⑤ good flexibility 4 Technical Data 1. Dope characteristic index (20 ° C) resin catalyst the viscosity (mpa.s) 200 240 Density (g/cm3) 1.10 to 1.15 1.23 to 1.24 mixed volume ratio of 1:1 2. free foam parameters (20 ℃) ??data from time (seconds) from 9 to 10 non-stick Lot Time (sec) 25 ~ 30 Full cure time (seconds) 120 3. physical properties of the foam index data compression strength (deformation 10%) (kPa)> 150 Foam density (kg/m3) 50 60 flame retardant properties found MT- more than 113 data obtained in the laboratory. With Application site may vary.