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  Solventless PU Laminating Adhesive  

Solventless PU Laminating Adhesive WD8118A/B
DESCRIPTION

WD8118A/B is a two-component, 100% solid content polyurethane laminating adhesive. It is widely used in laminating of various treated film like OPP, CPP, PA, PET, PE, PVDC, Aluminized film etc. It is suitable to general packaging and 100℃ boiled packaging. It has short curing time, long pot life, low viscosity, and is available to operate in room-temperature at the same time.

ANALYSIS
Property Technical Analysis and Physical
Model WD118A WA8118B
Appearance / Color Colorless to pale yellow ransparent
Basic material Isocyanate prepolymer Polyol polymer
Viscosity 35℃ (mPa.s) ≤ 1600 600
Viscosity 35℃ (mPa.s) ≤ 1.12±0.01 0.98±0.01
Solid content, % 100.0 100.0
USAGE
Suitable for ：Any type of solvent less laminating machine
Mix ratio by weight : WD8118A : WD8118B = 100 : 75 (65 - 85)
(Note: The mix proportion of A/B is only the advice we probided. Please choose the suitable proportion according to operating environment, material, performance requirement and so on. Please test and affirm before formal production.)
Coating weight : 1.0g/m2 - 2.0g/m2 （adjust depending on the laminating material and requirement)
Laminating temperature : 20 - 40℃ (This is only the recommend laminating temperature, the customer should be adjusted according to the actual need of the different structure.)
Pot life ：≥ 30min
Cure time : 24 to 72 hours (at 35 - 50℃ ,RH > 30%)

Packing
15Kg/drum and 20kgs/drum

 
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