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POROEST CARBAMIDFORMALDEHYDHARTS AND FOER FARANDES
POROEST CARBAMIDFORMALDEHYDHARTS AND FOER FARANDES
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机译:最严重的甲醛甲醛和运动
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摘要
An aqueous solution of urea-formaldehyde prepolymer has improved storage life, and cellular urea-formaldehyde foam prepared by discharging the solution, a curing catalyst, and compressed air into the atmosphere develops fewer shrinkage cracks and is stronger when the solution contains at least 5% glucose, fructose, and/or sucrose.
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