I. Product Introduction:
Laropal A-81 is an aliphatic aldehyde polymer decolorizing resin “aldehyde resin”, which is used in self-drying NC nitro wood coatings, PU polyurethane coatings, alkyd coatings, acrylic coatings, amino baking coatings, light-curing coatings, printing ink and general-purpose color paste special grinding resins, etc. It has a good effect on the yellowing resistance, gloss and hardness of the coating film. LaropalA-81 has good effect on yellowing resistance, gloss and hardness of coating film, etc. LaropalA-81 is colorless to slightly yellowish clarified liquid after dissolution, but it does not affect the color of coating film. Colorless, transparent, neutral, with wide compatibility and solubility. It has the ability to improve the gloss, adhesion, fullness and aging resistance of the product.
2.Second, product index:
Composition: Fatty aldehydes and urea polycondensation resin
Appearance: colorless to yellowish or reddish granularity
Specific gravity: 1:1
Iodine value: 1~2 max
Acid value: 3 max
Softening point: 80~95℃
I. Product Introduction:
Laropal A-81 is an aliphatic aldehyde polymer decolorizing resin “aldehyde resin”, which is used in self-drying NC nitro wood coatings, PU polyurethane coatings, alkyd coatings, acrylic coatings, amino baking coatings, light-curing coatings, printing ink and general-purpose color paste special grinding resins, etc. It has a good effect on the yellowing resistance, gloss and hardness of the coating film. LaropalA-81 has good effect on yellowing resistance, gloss and hardness of coating film, etc. LaropalA-81 is colorless to slightly yellowish clarified liquid after dissolution, but it does not affect the color of coating film. Colorless, transparent, neutral, with wide compatibility and solubility. It has the ability to improve the gloss, adhesion, fullness and aging resistance of the product.
2.Second, product index:
Composition: Fatty aldehydes and urea polycondensation resin
Appearance: colorless to yellowish or reddish granularity
Specific gravity: 1:1
Iodine value: 1~2 max
Acid value: 3 max
Softening point: 80~95℃


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