High-Quality A Revolutionary Choice Empowering High-End UV Applications: PUA 7291B Factories, Products
Product Description
Product Overview
Aliphatic Polyurethane Acrylate 7291B: A Revolutionary Choice Empowering High-End UV Applications
In the field of UV-curable materials, Aliphatic Polyurethane Acrylate 7291B stands out with its exceptional performance, making it the ideal core ingredient for high-end applications such as adhesives, relief resins, and extension gels.
As a functional raw material with excellent compatibility with most UV monomers and resins, 7291B is injecting fresh innovation into the UV industry chain, enabling customers to develop differentiated products that combine performance with premium quality.
Choose 7291B — Transform Technical Superiority into Market Competitiveness!
Features an innovative formulation that significantly enhances resistance to UV aging. It maintains the original clarity over time, effectively solving yellowing in conventional UV resins for crafts and decorative building materials demanding high color stability.
Achieves efficient penetration and strong anchoring whether bonding to metal, plastic, or glass substrates. Molecular design ensures outstanding peel strength and durability for precision electronic encapsulation and automotive component assembly.
Incorporates flexible segments to deliver high impact resistance without brittleness. Its unique surface film formation provides a smooth, non-tacky touch after curing, greatly enhancing application efficiency and reducing material waste.
Performance Characteristics
Technical Specifications
| Resin type | Aliphatic Polyurethane Acrylate 7291B |
| Appearance | Transparent viscous liquid |
| Viscosity (mPa.s) | 160000~260000 (75℃) |
| Functionality | 2 |
| Chrominance (Pt-Co) | ≤80 |
| Acid value (mgKOH/g) | 0 |
Application Areas
Primary Applications: High-performance adhesives, relief resins, and extension gels.
Packaging & Storage Conditions
| Packaging | 20 / 220 (kg) |
| Warranty period | 180 days |
| Storage Instructions | 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. |
Product Detail Gallery
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Frequently Asked Questions
The primary advantages include excellent anti-yellowing resistance, superior adhesion to diverse substrates, balanced toughness without brittleness, and a non-tacky finish post-curing.
It delivers outstanding penetration and bonding performance on metal, plastic, and glass substrates, making it ideal for precision electronic encapsulation and automotive component assembly.
7291B is a difunctional (Functionality: 2) aliphatic polyurethane acrylate with a viscosity range of 160000~260000 mPa.s measured at 75℃.
It must be kept in dark opaque steel drums or coated containers below 35 ℃, away from sunlight. Ensure at least 15% headspace filled with air is maintained inside the container.
The resin is supplied in 20 kg or 220 kg containers and features a standard warranty/shelf-life period of 180 days under recommended storage conditions.
