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L-1260  PU Resin for Optical Coating

L-1260 PU Resin for Optical Coating

Used in optical coating paints, optical coating treatment agents, two-liquid PU varnishes or solid color paints, pearl-effect coatings for various metals and plastics.

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Description

L-1260 is a specially modified hydroxy acrylic copolymer, which can be combined at room temperature with non-yellowing polyisocyanates. It is particularly suitable for two-component clear coatings and solid-color coatings, offering excellent physical–chemical properties and pigment dispersibility. It provides outstanding adhesion on optical coatings and also exhibits very good adhesion to substrates such as ABS, PC, PC reinforced with fibers, PMMA, glass, steel, aluminum, and iron.


Technical Data

AppearanceColorless transparent liquid
Viscosity (25ºC, CPS)1,000 - 3,000
Solid content %50±2
OH value (solid)55 mgKOH/g
OH % (solid)1.7
Acid value (solid)7-12 mgKOH/g
Solvent
Toluene, butyl acetate.


Product Features

Good adhesion to optical coatings, excellent colorability, good recoatability, strong intercoat adhesion, and high chemical resistance.


Reference Formula

 Color paint  Thinner 
 L-1260 resin 60  Ethyl Acetate 50
 T-12 (drier) 0.1 Butyl Acetate 13
 Nano Color Paste 20 PMA 12
 Lencolo 3160 0.3 MIBK 25
 Butyl Ester 19.6  

Curing agent (N3390) : Butyl ester = 90 : 10

Main agent : Curing agent : Thinner = 10 : 1 : 3


Applications

Optical coating paints, optical coating treatment agents, two-liquid PU varnishes or solid color paints, pearl-effect coatings for various metals and plastics.


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 / 200 kg per drum


Tips: L-1260 exhibits excellent adhesion to optical coatings, good recoatability, and after recoating, maintains 5B adhesion following water-boiling at 100 °C for 30 minutes.


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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