Products Description
EO-TMPTATMP3EOTA) is a low-viscosity trifunctional UV monomer with excellent fluidity and wettability, and good compatibility with various acrylate oligomers. It has high photoreactivity and supports LED-UV, mercury lamp and EB electron beam curing for high production efficiency. It delivers high crosslink density to provide hard, scratch and chemical-resistant coatings.
Flexible ethoxy chains reduce curing shrinkage and internal stress to overcome the brittleness of conventional TMPTA, balancing rigidity and toughness. It features low odor, low skin irritation and low VOC for environmental compliance, suitable for inks and high-end coatings.
Products Specification
| Product name | EO-TMPTA/Ethoxylated trimethylolpropane triacrylate/EO3-TMPTA / TMPEOTA |
| CAS NO |
28961-43-5 |
| ITEM NO | M245 |
| Appearance | Colorless or pale yellow transparent liquid |
| Density@25°C, g/cm³ | 1.100–1.110 |
| Acid Value, mgKOH/g | ≤0.5 |
| Viscosity @25°C, mPa・s | 50–70 |
| Refractive Index, nD at 25°C | 1.467–1.477 |
| Color | ≤100 |
| Moisture | ≤2000 |
| Inhibitor (MEHQ), ppm | 200–400 |
| Package | 100g/1kg/200kg etc. |
| Delivery | 5-8days |
| Storage | room temperature |
| MSDS/COA/TDS | Connect us |
Products Application
UV coatings: Wood finish paint, plastic coatings, metal decorative finish coatings, industrial protective coatings. The coatings have strong adhesion, are resistant to scratching and sun exposure, resistant to cracking, and do not yellow easily.
UV printing inks: Screen printing, offset printing, packaging printing inks. The curing is uniform, the dots are clear, the ink layer toughness is enhanced, and the problem of ink layer cracking and detachment is reduced.
Functional UV-curable materials: PCB dry films, UV adhesives, 3D printing photoreactive resins. The molding size is stable, the shrinkage is low, and it effectively reduces the risk of print件 warping.
High-end eco-friendly formulations： Various solvent-free and low-VOC UV-curable products, suitable for strict environmental control, helping to upgrade product compliance.
FAQ
Q: What is the difference between EO-TMPTA and regular TMPTA?
A: Ethoxy groups in EO-TMPTA bring better film flexibility, lower shrinkage and less skin irritation. Standard TMPTA gives higher hardness but brittle coating.
Q: Is it suitable for LED-UV curing?
A: Yes, good curing performance with LED-matched photoinitiators.
Q: How to store it?
A: Keep sealed and protected from light, stored below 25℃, away from heat and UV light to prevent premature gelling.
Q: Why is it suitable for packaging overprint varnish?
A: Low odor, low migration, high gloss and fast curing for high-speed printing lines.
Q: What improvements can it bring to 3D printing resin?
A: Improve part abrasion resistance, reduce resin viscosity for easy degassing, and reduce brittleness compared with TMPTA.
Why Choose Zhengzhou Megma Chemical Co., Ltd.?
Quality at a Fair Price – High-quality chemicals delivered at reasonable prices.
Timely Delivery – Prompt order processing and shipment, with complete customs documentation tailored to each country's export policies.
Flexible & Secure Payment – Agile and reliable payment solutions you can trust.
Full Quality Commitment – Should any quality issue arise, we take full responsibility.
Market Insights – Price trend updates to keep you informed and ahead in sales.
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