L-6203 is widely used in UV vacuum metallized primers; UV nail polish base gel/color gel; UV inks; UV plastic varnishes, etc.
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L-6203 is a 2-functional UV polyurethane resin with good sag resistance, recommended for use in coatings, inks, adhesives, and other photopolymerization applications. As the main film-forming resin in free-radical curing systems, L-6203 offers better overall performance and tensile properties compared with L-6200C. It exhibits excellent adhesion on various plastic substrates and strong interlayer bonding in vacuum-metallized coatings. The resin provides superior hiding power on metal substrates and high fullness on uneven or defective surfaces. The cured coating resists boiling water, shows low yellowing, and is suitable for high-performance coatings and ink systems.
Technical Data
| Appearance | Light yellow clear transparent liquid |
|---|---|
| Viscosity (60ºC, CPS) | 55,000-85,000 |
| Color Value (Gardner) | ≤2 |
| UV Content (%) | 100 |
| Acid value (mg KOH/g) | ≤1 |
| Refractive index | 1.479 |
| Shore hardness | 66A |
| Tensile strength (MPa)(ASTM D882) | 5.1 |
| Elongation at break (%)(ASTM D882) | 61.2 |
| Functional group | 2 |
Product Features
Used as the main resin in vacuum-metallized primers
Excellent interlayer adhesion, good flexibility and excellent hiding power
Low shrinkage with moderate tensile strength and elasticity
Applications
UV vacuum metallized primers; UV nail polish base gel/color gel; UV inks; UV plastic varnishes, etc.
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 drums.
Tips: L-6203 features high performance, flexibility, good plating, stretchability, and excellent hiding power.
Related Products
| Product | Description |
|---|---|
| L-6200C | L-6200C UV Polyurethane for Vacuum Metallization |
| L-6201 | L-6201 Economical 2-functional Polyurethane |
| L-6201D | L-6201D Non-organotin 2-Functional Polyurethane |
| L-6202 | High-hardness 2-Functional UV Polyurethane |
| L-6203 | Dilution Tolerance UV Polyurethane Resin |
| L-6204 | Iodine-resistant 2-functional Polyurethane |
| L-6205 | Yellowing Resistant Aliphatic Polyurethane Resin |
| L-6205D | Non-organotin 2-functional Polyurethane |
| L-6206 | Non-yellowing 2-Functional Polyurethane Acrylate |
| L-6206A | Non-yellowing Polyurethane Acrylate Resin |
| L-6206C | Flexible 2-functional UV Polyurethane |
| L-6207 | High Leveling Wear-resistant UV Polyurethane |
| L-6208 | Bio-based 2-functional UV Polyurethane |
| L-6209 | High-Covering 2-functional UV Polyurethane |
| L-6210 | High Toughness UV Polyurethane |
| L-6211 | Low Viscosity 2-functional UV Polyurethane |
| L-6211D | Non-organotin Low Viscosity UV Polyurethane |
| L-6212 | Ultra-low Viscosity 2-functional UV Polyurethane |
| L-6230 | Self-curing Solid Gel UV Polyurethane |
| L-6231 | Solid Gel UV Polyurethane |
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.
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