Buy 73008 Low-Shrinkage Polyurethane Acrylate Resin for Electronic Potting & Metal Coating | High Temp Anti-Yellowing UV Oligomer Manufacturer, Factories
Product Description
Product Overview: Model 73008 High-Performance Polyurethane Acrylate Resin
In the demanding sectors of electronics manufacturing and industrial metal finishing, material stability is paramount. Model 73008 is a next-generation Polyurethane Acrylate (PUA) Resin specifically formulated to address critical challenges in electronic potting adhesives, metal drop glazing, and industrial coatings.
Minimal Curing Shrinkage
Unlike standard acrylates, 73008 delivers minimal curing shrinkage, ensuring exceptional dimensional stability. This characteristic is vital for thick-section electronic potting, where internal stress can lead to component cracking or delamination.
Outstanding Substrate Adhesion
Its unique molecular structure provides superior adhesion to diverse substrates, particularly metals and glass, often eliminating the need for primers and streamlining production lines.
High-Temperature Yellowing Resistance
Engineered for harsh environments, it maintains optical clarity and mechanical integrity even after prolonged exposure to thermal stress—ideal for outdoor LED modules, automotive sensors, and decorative metal badges requiring long-term aesthetic retention.
Compatible with solvent-free and low-VOC formulations, 73008 aligns with global environmental regulations (RoHS/REACH). It offers a balanced reactivity profile for fast UV curing without compromising final physical properties. Whether protecting sensitive PCBs or enhancing the durability of metal coatings, 73008 provides a reliable, high-performance solution for modern industrial applications.
Technical Features
| Resin Type | Polyurethane Acrylate 73008 |
| Appearance | Transparent viscous liquid |
| Viscosity (mPa.s) | 90000~150000 (60℃) |
| Functionality | 3 |
| Chrominance (Pt-Co) | ≤ 60 |
| Acid Value (mgKOH/g) | 0 |
Performance Characteristics
- Small Curing Shrinkage
- Good Adhesion
- Good Resistance to High Temperature Yellowing
Typical Applications
- Electronic Potting Adhesives
- Metal Drop Glazing
- Industrial Coatings
Packaging, Warranty Period & Storage
| Packaging | 20 / 220 (kg) |
| Warranty Period | 180 days |
| Storage Conditions | 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. |
Detail Images
Frequently Asked Questions (FAQ)
Model 73008 is characterized by minimal curing shrinkage, which substantially reduces internal mechanical stress during the curing process. This prevents internal cracking, delamination, and damage to delicate electronic components.
Yes. The unique molecular framework delivers exceptional direct adhesion to metals and glass, often eliminating the requirement for chemical primers and streamlining assembly lines.
It features superior resistance to high-temperature yellowing and thermal stress, allowing coatings and glazes to retain their optical clarity, aesthetic appeal, and mechanical strength over extended service lives.
Model 73008 has a functionality of 3 and a viscosity range of 90,000 to 150,000 mPa.s at 60℃, appearing as a transparent viscous liquid.
It should be kept in dark opaque steel containers with corrosion- and solvent-resistant coatings. Always maintain at least 15% headspace filled with air inside the drum, store in a cool place below 35℃, and keep away from sunlight exposure.
Yes, Model 73008 is fully compatible with solvent-free and low-VOC resin systems, facilitating compliance with international environmental standards such as RoHS and REACH.
