top of page
Close up shot_ automatic plastic injection molding machine is producing polypropylene beve

BRIGHT IDEAS.
BETTER PLASTIC PARTS.

Helping manufacturers get plastic parts right the first time.

START YOUR PROJECT

Engineering-First Injection Molding

Engineering oversight from start to finish.

Sol Plastics was built around a simple idea: manufacturing projects run smoother when engineering, tooling, and production are aligned from the start to deliver better plastic parts. From initial plastic part design evaluation through final production, Lead Engineer and Sol Plastics President Matt Sweeney provides hands-on oversight to ensure your parts are built right, on budget, and on schedule. 

black injection molded plastic part with white background

Injection Molding

Precision tolerance plastic parts molded both domestically and offshore. We move your project seamlessly from prototype to full production runs with unmatched technical accuracy.

Injection Molding

Mold Sourcing

Precision-engineered tooling sourced both domestically and offshore, up to 1200 tons. We balance cost, quality, and lead time to build the ideal foundation for your manufacturing success.

Mold Sourcing

Engineering Services

Streamlined product development with technical guidance and innovative solutions. We help realize your complex plastic product ideas from the first concept to final execution.

Engineering Services
cad design of plastic part on computer

Why choose Sol Plastics for Better plastic parts?

Design For Manufacturing

We analyze your part geometry in the early stages of the project to streamline tooling and prevent common molding defects.

Tooling & Mold
Design

We engineer high-quality injection molds (up to 1200 Tons) tailored precisely to your manufacturing process.

We help optimize parts before tooling to reduce costly revisions.

Advanced Material Selection

We work with material professionals, to match your application’s mechanical, thermal, and regulatory needs with the ideal polymer formulation. 

Scientific Molding

We optimize your process through scientific molding methods to maintain consistency throughout your production run.

Whether you need to optimize a prototype for scale or troubleshoot a complex molding issue, we can assist you throughout every phase of the product development lifecycle.

bottom of page