Product Details

Aldehyde Resin LA81 Laropal A-81

Other Names A-81
EINECS No. 25054-06-2
Place of Origin China
Type Synthetic Resin and Plastics
Brand Name Lanquens
Model Number LA81
Purity 100%

Product Features

Aldehyde Resin LA81

Aldehyde Resin LA81

LANQUENS LA81 series formaldehyde resin is a white or slightly yellow granular substance. 


This aliphatic formaldehyde substance is a hard resin that is resistant to yellowing. 


It is suitable to be used for solvent coatings, solvent inks, powder coatings, water-based coatings and other areas.

Aldehyde Resin LA81

 Its major performance is improving the polarity of a variety of resins, improving the resistant to yellowing of coating films and adhesion powder. In addition, also it can improve the hardness, fullness and gloss of coating films, increase solid content and reduce VOC emissions. The resin also has excellent pigment wetting property. It is also can be used as the super-dispersion medium of the pigment. Product performance has reached similar foreign products.

Compatibility
Aldehyde Resin LA81 compatibility with other solvent resin:
Solvent Resin
Alcohol
Ketone
Ester
Aromatic Hydrocarbon
Fatty Hydrocarbon
Aldehyde Resin LA81
Aldehyde Resin LA81 compatibility with other resin:
Resin
Nitro Cellulose
Cellulose Acetate Butyrate
Alkyd

(long,middle,short)
Aldehyde Ketone
Melamine
Aldehyde Resin LA81
Resin
Petroleum Resin
Chlorinated Rubber
Amino
Epoxy Resin
Hydrocarbon Resin
Aldehyde Resin LA81
Coatings application
Application
Characteristic
Add Amount
Can Replace
Refinishing coatings
Improve gloss and hardness
2%-5%
/
Alkyd coatings
Reduce viscosity, increase gloss and hardness
5%-10%
Alkyd resin
Alkyd/Amino
Improve hardness and fullness
20%
Alkyd resin
NC coatings
Resistant to yellow, increase solid content and gloss, improve the flexibility to aromatic solvent.
20%-30%
NC Resin
Alkyd/Chlorinated resin coatings
Increase the compatibility between chlorinated resin and alkyd resin,improve coatings gloss and solid content.
10%
Alkyd resin
Coil coatings
Improve the adhesion of fluorocarbon and polyester, improve strength and resistance of corrosion.
20%-100%
Fluorocarbon or polyester
Powder coatings
Improve flow ability, improve adhesion power and gloss
5%-15%
Epoxy resin
Solvent base inks
Application
Characteristic
Add Amount
Can Replace
CPP
Improve dispersion and adhesion
15%-20%
CPP resin
PA
Improve dispersion, gloss and adhesion
10%-15%
PA resin
NC
Improve gloss and flexibility of the inks
15%-25%
N/C resin
PU
Improve adhesion and resistance to boiling
10%-20%
PU Resin
Pigment Paste
Application
Characteristic
Add Amount
Can Replace
Solvent base pigment paste
Improve compatibility, pigment content and accuracy of calculation.
30%-60%
/
Remark

1, Add amount is only our suggestion. Please use it according to your application test.

2,In some applications, if the content of the formaldehyde resin of LA-81 is too high ,it will affect the coatings adhesion, flexibility or weather ability. The general content is 5-15%. If has special requirements, please self – adjustment according to your test results. It also can be used to be directly additive of inks and coatings, the add amount is 5%.

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