有没有知道这个这个东东的?

玫70

POLYURETHANE
G4 Primer SLealer

Application
1.A primer and sealer for porous materials such as wood.concrete, plaster and brick.
2.Adhesive  primer for GRP (glass fiber reinforced  plastic).ESTOVOSS on concrete and FLEXOVOSS coatings on concrete ,wood or steel).
3.A binding agent for repairing mortar and wood .

thanks.

shanghai252

聚氨酯底涂啊