The Peters Group, based in Kempen, Germany, is an independent family company and the only complete coatings supplier for electronics in the world.
Peters ELPEPCB® brand is a global leader in the field of electronics-related high-tech coatings for printed circuits made for automotive, aerospace and defense, industrial, and medial electronic applications, and LED applications.
For over 50 years they have been collaborating closely with customers to present revolutionary and practical solutions. Peter’s highly specialized research & development division guarantees the continuous concept and improvement of innovative products. During its history, The Peters Group has developed a number of industry firsts.
- Long experience & tradition: the first Elpemer photoimageable solder masks were introduced in 1985, the first flexible Elpemer photoimageable solder mask were introduced in 1997
- It is the first company to develop peelable solder mask.
- The first to provide fully compliant REACH SVHC free LPISM products to the marketplace.
- First to offer a white solder mask (Elpemer SD 2491 SM-TSW-R6-B) capable of standing up against a 500 cycles -40 to 125 °C thermal shock test for (mainly automotive) lighting applications
- First to offer 2-pack UV curing thick film fillers to fill the spaces between high traces in 400 µm thick copper technology (DSF 2706 UV in 2003)
- First to offer “non-bleeding” thermal curing 2-pack solder mask (SD 2468 NB in 1981)
- Introduction of the first printable heatsink paste in 1999.
In addition to Matrix, Peters maintains international distribution offices and more than 65 regional representative offices worldwide in over 90 countries serving more than 3,500 customers globally.
INTRODUCTION TO ELPEPCB® PRINTED CIRCUIT PRODUCT LINE

ELPEPCB Solder Mask Products and Legend/Marking Inks
Enable simultaneous “complete soldering” and selective soldering, compatible with lead-free soldering processes, for rigid, flex-rigid and flexible PCB, excellent adhesion. ELPEPCB Legend and Marking Inks provide exceptional covering power, exceptionally good adhesion, soldering resistant, high solids content. Available in multiple colors.
ELPEPCB Etch Resists, Plating Resists and Elpemer Photoresists
For the creation of fine and ultra-fine trace images on inner and outer layers; excellent adhesion and high surface hardness.
ELPEPCB Peelable Solder Masks
For the partial masking of a pcb as protection from direct contact with solder or as protection in electroplating processes, simple/high-definition application by screen printing, high elasticity and tear resistance, easy to remove before and/or after the soldering process.
ELPEPCB Via Hole Fillers and Plugging Pastes
Securely seal via holes for vacuum adaptation during in circuit testing, prevent solder from seeping to the component side and fluxers from settling in drill holes.

Additional Specialty Products Available
- Carbon Conductive Inks
- Thick Film Fillers
- Thermal Transfer Pastes
- Complete line of support products – solvents, strippers, cleaning agents, anti-static sprays, etc.
Supply Partner: Peters Group
Why choose Peters and the Matrix Team
- Product Performance
ELPEPCB printed circuit coating materials meet and /or exceed all industry and leading industry segment Specifications. Market leading thermal performance. - Full product line
Solder mask products in numerous colors, etch resists, marking inks, and photo resists. - Product Availability
Reliable service and support and quick turn product availability from Matrix with five strategically located warehouse locations in North America. - Value
Competitive pricing, easy to process materials designed to meet demanding new environmental, thermal and circuit design specifications with high quality. - Environmentally compliant solder mask formulations
Future proof your customers products and protect the safety of your employees and customers. First company to eliminate REACH defined SVHC chemical additives from LPISM product line.