We provide complete compounding and toll processing—from small-scale product trial runs to full-scale commercial production—with in-house lab testing, warehousing, and logistics capabilities—delivering precision, quality, and consistency every time.
With customizable extrusion lines and the capability to feed solids, liquids, and powders, we transform materials into high-quality pellets tailored to your exact specifications. Our flexible processing solutions allow you to fine-tune both processes and product formulations.
For over 50 years, Westchester Plastics LLC has delivered trusted compounding solutions built on integrity, innovation, and long-term customer partnerships.
Versatile twin-screw extruders, continuous mixers, and single screw machines support both underwater and strand-cut systems, allowing precise, scalable production for any compounding need.
We handle a wide range of polymers—from polyolefins and nylons to bioplastics and specialty compounds—crafted to meet your exact formulation and performance goals.
Our well-equipped lab ensures the execution of your quality control plan with a full range of equipments and trained team members during production trials or commercial production
With over 200,000 sq. ft. of storage, and capabilities to interface with your ERP system, and rail access, we provide complete warehousing and distribution solutions.
We offer pilot-scale trials and adaptable production setups to refine formulations, validate performance, and accelerate your path to market.