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High modulus two component polyurethane sealing

author: Jianfeng Engineering from: ԭ date: 2017/8/16 18:00:00 hit: 6989
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High modulus two component polyurethane building sealant composition

A two-component polyurethane sealant curing type, A, B two components, component.A is colorless or light yellow viscous polyurethane prepolymer, and group B as curing agent and additives mixed dehydration black paste or liquid, according to the requirements of a non droop type and self leveling type. Mainly used in bridges, basement, swimming pool, reservoir, dam, tunnel, subway and other projects.

High modulus two component polyurethane building sealant execution standard: JC482 - 1992

Notes of construction of polyurethane sealing paste

1) for the period: two-component sealing paste a, group B after mixing the mixture, gradually thickened, exceeds applicable period cannot be used. The use of environmental temperature when considerable effect on curing sealant, the higher the temperature for the shorter period, the low temperature curing slow application working temperature 5 to 35 DEG C is appropriate.

2) the width depth ratio of the sealing material should be appropriate.

3) high modulus two component polyurethane building sealant to avoid direct sunlight, should be placed in a cool dry place, away from the fire source; in particular, should pay attention to the packing barrel seal intact, valid for one year.

polyurethane caulk

  

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