UV curing polyester acrylate: the "all-round player" of high-performance materials
In the field of photocurable oligomers, polyester acrylate has become a well-known "all-rounder" in the industry. And our 5450 is one of the oligomers with its unique combination of properties. This resin can be quickly cured and formed under ultraviolet light, while taking into account a number of practical properties, injecting dual guarantees of efficiency and quality into modern manufacturing.
The low viscosity of polyester acrylate makes it easy to spread like an "invisible assistant", and it can automatically level even on complex surfaces to form a uniform and smooth coating, avoiding defects such as orange peel and bubbles. This feature is particularly important in automotive coatings and high-end wood coatings, achieving a mirror-like gloss effect.
Unlike traditional brittle resins, it has excellent flexibility, can withstand bending and stretching without cracking, and is perfectly adapted to a variety of substrates such as plastics, metals, and glass. Whether it is the encapsulation of flexible electronic circuits or the wear-resistant coating of sports equipment, it fits the substrate tightly and remains durable.
The curing speed under ultraviolet light in seconds greatly develops production efficiency, and is especially suitable for high-speed processes such as 3D printing and roll-to-roll coating. Simultaneously, it has excellent wettability to pigments and fillers, ensuring uniform and full colors, avoiding printing faults or coating color differences in high-precision inkjet printing and color photosensitive resin fields.
The cured coating has moderate hardness, is not easy to produce debris or scratches during polishing, and the convenience of post-processing is significantly improved, which is especially suitable for fine finishing of precision molds and crafts.
From industrial coatings to electronic packaging, from creative 3D printing to environmentally friendly inks, as one type of polyester acrylates, 5450 promotes manufacturing upgrades with "all-round performance", making the beauty of technology within reach.
| Resin Type | Polyester Acrylate 5450 |
| Appearance | Transparent viscous liquid |
| Viscosity (mPa.s) | 1500~2500 (25℃) |
| Functionality | 4 |
| Chrominance (Pt-Co) | ≤ 200 |
| Acid Value (mgKOH/g) | ≤ 5 |
Application areas: UV coating, UV paper varnish, UV screen printing
| Packaging | 20 / 220 (kg) |
| Warranty Period | 180 days |
| Storage | This product should be stored and transported in dark opaque steel drums or containers containing corrosion-resistant and solvent resistant coatings. Leave at least 15% space inside the container filled with air. Packaging should be stored in a cool environment below 35 ℃, and exposure to sunlight is strictly prohibited. |
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1. What makes Polyester Acrylate 5450 an "all-round" UV curing oligomer?
Polyester Acrylate 5450 combines low viscosity and self-leveling capabilities with high curing speed, strong multi-substrate adhesion, flexibility, and excellent post-processing polishability.
2. On what types of substrates can Polyester Acrylate 5450 be applied?
Due to its superior flexibility and high bonding strength, it adheres reliably to diverse substrates including plastics, metals, and glass without cracking under bending or stretching.
3. What are the recommended industrial uses for this resin?
Its primary applications include UV surface coatings, UV paper varnishes, UV screen printing, 3D printing, roll-to-roll high-speed coating, and flexible electronics encapsulation.
4. What are the core technical values of Polyester Acrylate 5450?
It features a functionality of 4, a viscosity range of 1500~2500 mPa.s at 25℃, a Pt-Co chrominance of ≤200, and an acid value of ≤5 mgKOH/g.
5. What packaging sizes are available, and what is the shelf life?
The product is supplied in 20 kg and 220 kg specifications, with an effective warranty period of 180 days under specified conditions.
6. What storage requirements must be met to ensure product stability?
It must be kept below 35 ℃ in dark, opaque, corrosion- and solvent-resistant steel containers with at least 15% air volume inside. Strict shielding from sunlight is required.