LPI Solder Mask Resin for PCB | Alkali-Soluble Epoxy Acrylate | High Photosensitivity, Alkali Developable

Product Overview

This product is a PCB liquid photoimageable solder mask ink resin based on alkali-soluble o-cresol novolac epoxy acrylate. It is designed for liquid photoimageable solder mask ink used in PCB manufacturing. It provides excellent solder resistance, flame retardancy, corrosion resistance, and heat resistance, with good folding resistance, chemical gold and tin resistance. It meets RoHS requirements.

Target Customers

This resin is mainly used by PCB solder mask ink manufacturers and PCB photoresist manufacturers. It is suitable for liquid photoimageable solder mask ink production and can replace imported products.

Product Features

• Alkali-soluble o-cresol novolac epoxy acrylate
• UV curable resin
• For PCB liquid photoimageable solder mask ink
• High photosensitivity
• Excellent alkali developability
• Good heat resistance
• Good chemical resistance
• Low yellowing
• Good toughness and adhesion
• Recommended for hard board solder mask
• Mainly used by PCB solder mask ink manufacturers

Applications

• PCB liquid photoimageable solder mask ink
• PCB photoresist
• Liquid photoimageable solder mask
• Hard board solder mask
• IC substrate
• HDI
• Automotive lamp boards
• LED panels

Technical Data

Key Selling Points & Market Value

• 2mil green solder mask bridge without breakage.
• Reflectivity of LED panel ink exceeds 90%.
• A key raw material for the PCB industry, providing solder resistance, flame retardancy, and corrosion resistance for electronic circuit boards.
• Currently, domestic demand for this product is very strong, and it relies on imports from the US, Japan, and other countries. This resin has been successfully developed and can replace imported products, with broad market prospects.
• Compared with existing resins, this main resin offers better toughness, superior hydrophilicity, and better dehydration performance during production. When added to liquid photoimageable solder mask ink formulations, it significantly reduces VOC emissions.

Available packaging: 1kg, 5kg, 25kg, 175kg, or customized according to customer requirements.

FAQ

1. What is LPI solder mask resin?

LPI (Liquid Photoimageable) solder mask resin is the main resin used in liquid photoimageable solder mask ink for PCB manufacturing. It provides solder resistance, flame retardancy, and corrosion resistance.

2. What is the chemical name of this resin?

Alkali-soluble epoxy acrylate, also known as alkali-soluble o-cresol novolac epoxy acrylate.

3. What are the key features of this resin?

• High photosensitivity
• Excellent alkali developability
• Good heat and chemical resistance
• Low yellowing
• Good toughness and adhesion
• 2mil green solder mask bridge without breakage
• Low VOC emissions

4. What applications is this resin suitable for?

• PCB liquid photoimageable solder mask ink
• PCB photoresist
• Hard board solder mask
• IC substrate
• HDI
• Automotive lamp boards
• LED panels

5. Do you provide samples?

Yes, we can provide small laboratory-scale samples for evaluation. Please contact us for details.

6. What is your MOQ?

Our MOQ is flexible. Please let us know your required quantity, and we will provide a suitable quotation.

7. What is the lead time?

Lead time is usually 7–15 working days after receipt of payment, depending on the quantity.

8. Can you customize the formulation?

Yes, we can customize the resin according to your specific formulation requirements. Please share your technical requirements with us.

9. What is the packaging?

Available in 1kg, 5kg, 25kg, 175kg, or customized packaging.

10. Do you have RoHS certification?

Yes, this resin meets RoHS requirements. Please contact us for the certificate.
 

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