Explore our core industrial batch-produced oligomers and specialty resins engineered for exceptional reactivity, deep-cure capability, scratch resilience, and substrate adhesion across high-line-speed production lines.
Understanding the synthesis chemistry, crosslinking density, Distinctness of Image (DOI), and physical kinetics behind Guangdong Ever Ray Environmental Material Co., Ltd.'s flagship oligomers.
Our standard and modified epoxy acrylates originate from stoichiometric ring-opening reactions between refined bisphenol-A diglycidyl ether (DGEBA) and glacial acrylic acid. The rigid aromatic backbone confers superior pencil hardness (up to 3H-4H) and intrinsic chemical barrier properties.
Achieving a mirror-like high gloss finish requires complete surface leveling prior to rapid free-radical polymerization. Our synthesis prevents micro-phase separation, yielding uniform refractive indices across cured films with specular gloss consistently exceeding 95 GU at 60°.
Unmodified epoxy acrylates can suffer volumetric shrinkage up to 8-10%, risking brittleness. Ever Ray introduces flexibilized polyester and long-chain ether segments to lower volume contraction down to <4.5%, preserving strong intercoat adhesion while keeping surface hardness intact.
From automated roll-coating lines in German furniture mills to high-throughput electronic enclosure vacuum metallization plants in East Asia, Ever Ray oligomers fulfill critical production targets.
High-end architectural flooring, engineered hardwood, and piano-lacquer furniture require intense scratch resistance paired with high optical warmth. Our modified epoxy acrylates provide fast sandability in primer layers and high gloss retention in topcoats without solvent emissions.
Smartphone enclosures, wearable bezels, and computing housings coated with PVD metallization demand primer coats that level micro-roughness completely to create a chrome mirror reflection, as well as abrasion-resistant protective clear coats.
Luxury cosmetic packaging, folding cartons, and commercial book jackets require instant curing overprint varnishes that deliver tactile depth and high gloss without yellowing or curling thin paperboards.
A systematic rheological, optical, and mechanical benchmark across industrial radiation-curable resin categories, guiding raw material selection for specific processing parameters.
| Resin Chemistry Class | Specular Gloss (60°) | Pencil Hardness | Volumetric Shrinkage | UV Cure Velocity | Chemical/MEK Resistance | Primary Industrial Use Case |
|---|---|---|---|---|---|---|
| Standard Bisphenol-A Epoxy Acrylate | 96 – 99 GU | 3H – 4H | 7.0% – 8.5% |
|
> 200 Double Rubs | Wood sealers, paper OPV, offset inks |
| Modified Low-Shrink Epoxy Acrylate | 92 – 95 GU | 2H – 3H | 3.8% – 4.8% |
|
> 150 Double Rubs | Vacuum metallization basecoats, plastic topcoats |
| Aliphatic Polyurethane Acrylate (PUA) | 88 – 92 GU | F – 2H | 3.0% – 4.5% |
|
> 120 Double Rubs | Non-yellowing 3C electronics, exterior topcoats |
| Aromatic Polyurethane Acrylate | 90 – 94 GU | H – 2H | 4.5% – 6.0% |
|
> 100 Double Rubs | Heavy-duty industrial flooring, parquet intermediate coats |
| Hyperbranched Polyester Acrylate | 94 – 97 GU | 3H – 5H | 5.5% – 7.0% |
|
> 200 Double Rubs | Ultra-hard scratch-resistant topcoats, high-speed lines |
| Waterborne Polyurethane Dispersion (PUD) | 82 – 88 GU | HB – H | < 2.0% (post-evap) |
|
> 80 Double Rubs | Low-VOC eco-compliant wood finishes, automotive leather |
Ever Ray's R&D laboratory is engineering sustainable, low-energy, and multi-cure radiation polymer backbones designed to meet upcoming international environmental and production challenges.
Redesigning oligomer backbones to cure effectively under monochromatic 365 nm, 385 nm, and 395 nm UV-LED sources, eliminating mercury lamp thermal stress and saving up to 70% in line energy consumption.
Replacing petrochemical bisphenol-A and polyols with renewably sourced epoxidized plant oils, cardanol, and bio-succinic acid, achieving up to 45% bio-carbon content while retaining high specular gloss and crosslink density.
Synthesizing colloidal spherical nano-silica grafted directly onto epoxy acrylate chains. This produces clear high gloss topcoats with pencil hardness up to 5H without causing optical haze or viscosity spikes.
Dual-functionalized acrylate-epoxy resins designed for 3D geometric substrates and shadowed automotive interior assemblies where UV light cannot reach, followed by a secondary low-temperature thermal cure.
Operating from our modern 40,000 m² chemical production base in Dawan Industrial Park, Yunfu, Guangdong, Ever Ray guarantees dependable bulk volumes, short lead times, and batch-to-batch repeatability.
Our 10+ reactor systems utilize automated Distributed Control Systems (DCS) to monitor exotherm kinetics, monomer dosing rates, and reaction temperatures, eliminating batch-to-batch acid value deviations and ensuring consistent molecular weight distributions (Mw/Mn).
Strategically situated in South China's chemical manufacturing hub, Ever Ray maintains direct raw material pipelines for glacial acrylic acid, bisphenol epoxies, and isocyanates. This integration buffers global buyers against raw material price shocks and supply shortages.
Convenient road access to major container hubs (Jiangmen, Nansha, Yantian) allows standard resin formulations to ship within 7–10 business days. Standard packaging formats include 200 kg steel drums, 1,000 kg IBC totes, and bulk ISO tanks.
Ever Ray supports international brand owners and custom formulators with complete regulatory documentation, ensuring chemical safety and export compliance for North American, European, and Asian markets.
Pre-registered and REACH compliant for European Union imports. Rigorously analyzed by independent third-party laboratories to confirm the absence of substances of very high concern (SVHC).
Meets European Directive 2015/863 (RoHS 3) restrictions on heavy metals and phthalates, suitable for green electronics, 3C device housings, and automotive interior assemblies.
Formulated in compliance with the US Toxic Substances Control Act (TSCA) inventory. All consignments are accompanied by multilingual 16-section Safety Data Sheets (SDS) matching GHS standards.
Our senior chemical engineers provide direct formulation guidance—assisting with photoinitiator pairing, reactive diluent adjustments, and oxygen-inhibition mitigation for unique plant curing profiles.
Explore additional high-performance oligomers formulated for laser excimer finishes, flexographic graphics, vacuum metallization, and floor coatings.
Detailed technical, chemical, and logistics answers for laboratory chemists, production directors, and procurement specialists considering Ever Ray resins.
Atmospheric oxygen scavenges free radicals, frequently leaving thin surface layers (<10 µm) under-cured or tacky. Ever Ray addresses this by formulating internal amine synergists (amino acrylates) or co-reagents that donate labile hydrogen atoms to peroxyl radicals, forming non-inhibiting aminoalkyl radicals. Additionally, our high-functionality hyperbranched and modified epoxy backbones accelerate radical concentration to consume oxygen quickly at the coating interface.
For clear high-gloss topcoats cured under conventional mercury arc systems, a blend of 1-Hydroxycyclohexyl phenyl ketone (Omnirad 184 / Irgacure 184) at 2.0%–4.0% with Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (TPO) at 0.5%–1.5% delivers balanced surface tack-free curing and deep through-cure without causing yellowing. For pigmented systems or UV-LED lines (385–395 nm), phosphine oxide derivatives (TPO or BAPO) paired with amino synergists provide optimal cure speed.
Standard aromatic bisphenol-A epoxy acrylates contain ether and aromatic bonds that can undergo photo-Fries rearrangement under prolonged terrestrial UV-B radiation, resulting in gradual yellowing (increasing delta YI). For outdoor applications requiring prolonged optical clarity, Ever Ray recommends our aliphatic polyurethane acrylate (PUA) product lines or modified epoxy-urethane hybrids incorporating hindered amine light stabilizers (HALS).
Yes. As a primary synthesis factory, Ever Ray tailors viscosity via three main approaches: selecting specific reactive diluent blends (e.g., cut with 20% TPGDA, HDDA, or TMPTA), controlling polymer chain length during the condensation phase, or incorporating hyperbranched architectures. We routinely supply custom oligomers adjusted to meet precise spray, roller, curtain, or gravure viscosity targets.
Our standard minimum order quantity for commercially stocked oligomers is 200 kg (1 standard drum). For custom oligomer synthesis or private formulations, batch MOQs typically start at 1,000 kg. Samples (500 g to 1 kg) for formulation trials and analytical verification are prepared within 48 hours. Full container loads (FCL) ship within 7–14 calendar days from order confirmation.
Every shipment includes a detailed Certificate of Analysis (COA) recording verified properties: Brookfield viscosity at 25°C, Gardner color index, acid value (mg KOH/g), refractive index, and residual monomer content. Gel Permeation Chromatography (GPC) molecular weight distribution curves and FTIR degree of conversion spectra are also available upon technical request.
Whether you require pilot samples for formulation trials, custom oligomer synthesis, or bulk factory-direct pricing for your international production lines, Ever Ray's technical team is ready to assist.