Wholesale Using Epoxy Resin Manufacturers & Products

High-Performance UV Oligomers & Precision-Modified Acrylate Solutions for Advanced Industrial Curing Systems

Guangdong Ever Ray Environmental Material Co. Production Base
ESTABLISHED IN 2006

Guangdong Ever Ray Environmental Material Co., Ltd.

We are a state-level high-tech enterprise focusing comprehensively on the research, development, and advanced synthesis of oligomers for UV-curable systems. Our products serve as primary raw materials in various high-performance coatings, structural adhesives, and functional graphic inks globally.

Our deep technology pipeline centers on modified epoxy acrylate, aliphatic & aromatic polyurethane acrylates (including advanced waterborne PUA systems), polyester acrylates, pure acrylates, and specialty functional monomers configured for bespoke curing applications.

  • Robust R&D Capabilities: Over 15 dedicated chemical synthesis engineers and technical consultants continually innovating.
  • Patented Innovations: Holder of more than 10 invention patents and practical utility patents focusing on curing efficiency and environmental safety.
  • Optimized Cost Structures: Tailored chemical structural modifications that enhance reactivity while lowering formulation cost footprints.
50,000㎡
Dual Manufacturing Bases
20,000+ T
Annual Production Capacity
10+
DCS Computerized Production Lines
15+
In-House R&D Technical Chemists

Industrial Oligomer Chemistries & Application Guidelines

A rigorous engineering guide to selecting oligomers based on physical-chemical requirements, processing parameters, and curing speeds.

Epoxy Acrylates

Characterized by exceptionally high reactivity, surface hardness, and superior chemical resistance. Primarily utilized in wood primers, overprint varnishes, and metal-substrate primers. They offer rapid cures but require chemical modifications (e.g., polyurethane modifications) to mitigate shrinkage and improve flexibility.

Polyurethane Acrylates

Available in aliphatic and aromatic configurations. Aliphatic PUAs offer outstanding exterior durability, yellowing resistance, and toughness, perfect for automotive refinish and electronics. Waterborne PUAs combine high environmental compatibility with excellent tactile profiles (skin feel) for premium consumer packaging.

Polyester Acrylates

Known for balancing low viscosity and high reactivity. Excellent pigment wetting profiles make them the default choice for gravure, flexographic, and offset printing inks. Advanced modifications facilitate micro-crinkle matte finishes under excimer laser curing systems.

Oligomer Type Curing Speed Yellowing Resistance Shrinkage Control Adhesion Strength Typical Applications
Modified Epoxy Acrylate Extreme (Fastest) Moderate Moderate (3-6%) High (Metals, Wood) UV Paper Varnishes, Rigid Metal Coatings
Aliphatic Urethane Acrylate Moderate to High Excellent (Non-yellowing) Excellent (Low) Exceptional (Plastics, Alloys) 3D Footwear, Exterior Auto Topcoats
Polyester Acrylate High Moderate Moderate Good Flexographic Inks, Excimer Laser Coatings
Hyperbranched Acrylic Resin High High Exceptional (Very Low) Exceptional Scratch-resistant Overprint Varnishes
PRODUCTION ADVANTAGE

China Factory 4.0: Modern Manufacturing & Smart Supply Chains

Our dual manufacturing model is designed to withstand macro-economic supply shocks while maintaining ultra-consistent chemical batches. Through ISO9001 and ISO14001 certified sites, we apply modern production technologies to all operations:

  • Jiangmen Production Base: 10,000 square meters specialized facility for specialty oligomers, small-batch customization, and rapid pilot testing.
  • Yunfu Production Base: 40,000 square meters megasite. Fully automated using a computerized DCS (Distributed Control System). This guarantees that reactor parameters, temperatures, and feeding ratios are monitored and regulated with zero human error.
  • Global Raw Material Sourcing: By integrating local synthesis routes with imported specialty chemical precursors, we ensure low costs without compromising chemical purity.

Technology Roadmap & Future Outlook

The UV curing industry is transitioning toward eco-compatibility, high energy-efficiency curing sources (UV LED & Excimer Laser), and hyper-functional coatings.

1. LED Curing Adaptation

Traditional mercury vapor lamps generate significant heat and ozone. We are redesigning the molecular structure of our epoxy acrylates and polyester acrylates (e.g., 56031 and 6203F) to optimize long-wavelength UV-A absorption. This ensures rapid surface dry and cross-linking under 365nm and 395nm UV LED sources.

2. Dual-Curing Mechanics

For complex 3D shapes or opaque layers (like 3D printed footwear soles 72017A-8), light cannot reach shadowed regions. Our dual-cure systems utilize photo-curing for initial green-strength structures, followed by secondary thermal or moisture curing. This achieves total cure stability throughout the geometric structure.

3. Excimer Laser Matting

Specialty polyester acrylates like our 53036 are optimized for 172nm excimer laser curing. When the wet coating is exposed to 172nm light under nitrogen, polymerisation occurs selectively on the top skin layer, creating microscopic crinkles. This creates a durable matte finish with a luxurious soft-touch feel.

Global Procurement & Technical Compliance Framework

Procuring raw materials for international coatings formulation requires alignment with strict regulatory systems. Guangdong Ever Ray Environmental Material Co., Ltd. ensures that wholesale exports comply with global chemical standards:

Compliance Standard Ever Ray Fulfillment Status Impact on International Importers
REACH (EU Regulation) Registered / Compatible Monomer Tracking Guarantees barrier-free imports into EU member states for varnish & ink manufacturers.
RoHS & WEEE 100% Compliant (Heavy-Metal & Halogen Free) Essential for electronic components, protective coatings, and UV inks on consumer hardware.
TSCA (United States) Active List Checked / Pre-manufacturing Compliance Supports US chemical compound compliance, reducing import friction.
VOC Regulations Zero-VOC & Waterborne Oligomer Series Available Assists industrial paint manufacturers in meeting regional environmental limits.

Additionally, we supply custom packaging options, from 200kg drums to 1000kg IBC totes, alongside complete safety documentation (SDS), Certificate of Analysis (CoA) reports per batch, and chromatography verification data (GPC molecular weight distribution graphs).

Frequently Asked Questions (FAQ)

Expert answers addressing the selection, handling, and application of UV oligomers and modified epoxy acrylate resins.

What are the primary causes of yellowing in epoxy acrylate resins, and how do we prevent it?
Conventional bisphenol-A epoxy acrylates contain benzene rings, which degrade under UV radiation over time, causing yellowing. For applications requiring non-yellowing profiles, we recommend replacing standard aromatic compounds with modified systems like 6271 or aliphatic polyurethane acrylates (e.g., PUA 7291B). Adding UV absorbers (UVA) and hindered amine light stabilizers (HALS) also preserves color clarity.
How does Ever Ray manage raw material batch consistency?
We use a centralized Distributed Control System (DCS) at our Yunfu base to monitor polymerisation parameters, including temperature spikes and esterification endpoints. Finished products undergo HPLC, gas chromatography, and viscosity testing against high QA standards before packaging. This limits batch-to-batch deviations, ensuring consistent performance in high-speed coating lines.
Can you explain the difference between dual-curing UV resin and standard UV resins?
Standard UV resins rely entirely on photoinitiator activation via UV exposure to cure. If light is blocked, the resin remains uncured. Dual-curing resins (such as 72017A-8) feature secondary curing chemistries, such as thermal curing or moisture curing. This secondary reaction cures shadowed areas, which is crucial for complex industrial shapes, thick 3D-printed parts, and opaque inks.
What is the shelf life and storage conditions for these UV oligomers?
Our UV-curable oligomers have a shelf life of 6 to 12 months when stored in original sealed containers at temperatures between 5°C and 30°C. They are highly sensitive to light and heat, which can trigger premature gelation. Keep containers away from direct sunlight, UV sources, and heat, and ensure they are stored under dry conditions.