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L-1250  PU Resin for Metal Paints

L-1250 PU Resin for Metal Paints

Used in two-component PU varnish or solid color paint; pearl-effect coatings for various metals and plastics; various baking paint primers; UV primers

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Description

L-1250 is a hydroxyl-containing acrylic copolymer that, when combined at room temperature with non-yellowing polyisocyanate, can form a two-component system with excellent application properties, good aluminum flake orientation, and outstanding compatibility. It is particularly suitable for two-component aluminum paints and pearlescent coatings, while also offering excellent physical and chemical properties and pigment dispersion. It can also be used to produce solid color coatings. The resin provides excellent adhesion to substrates such as ABS, PC, glass fiber-reinforced PC, PMMA, fiberglass, and various metals.


Technical Data

AppearanceColorless transparent liquid
Viscosity (25ºC, CPS)2,800 - 4,500
Solid content %50±2
OH value (solid content)66 mgKOH/g
OH % (solid content)2
Acid value (solid)4 mgKOH/g
Solvent
Toluene, butyl acetate


Product Features

Quick-drying, good silver powder orientation and interlayer adhesion, high weather resistance.


Reference Formula

 Aluminum paint  Thinner 
 L-1250 resin 60 Xylene 45
 T-12 (drier) 0.1 Ethyl Acetate 20
 20%CAB381-2 10 Butyl Acetate 25
 Aluminum Silver Paste 7 PMA 10
 Lencolo 3108 0.3  
 Thinner 22.6  

Curing agent (N3390) : Butyl ester = 75 : 25

Main agent : Curing agent : Thinner =8 : 1 : (3~6)


Applications

Two-component PU varnish or solid color paint; pearl-effect coatings for various metals and plastics; various baking paint primers; UV primers


Storage Conditions

To prevent premature polymerization due to the high reactivity of this product, keep it tightly sealed and store away from heat sources and direct sunlight. It is recommended to maintain storage temperature below 30 °C. Unused product should be promptly resealed and must not be left open. Under ventilated conditions at 25 °C, the product has a safe storage period of 6 months. Available packaging: 20 kg / 25kg / 200 kg per drum


Tip: L-1250 exhibits good orientation of silver and pearlescent pigments, adheres well to carbon fiber and fiberglass, suitable for one-coat PU application.


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Note: Technical data represents typical values only. In view of the differences in formulas, production process, conditions, all the above statements must be adjusted according to the actual situation, our company does not make any promises. Our company reserves the right to reform its products without prior notice of any changes.

Contact Details
Lencolo Co., Ltd.

Contact Person: Yuki

Tel: +86 18027002837(WhatsApp)

Email: service@lencolo37.com