Seattle’s Reliable Thermoplastic Materials Source
Washington’s go-to warehouse for engineered plastics – Serving aerospace, marine, and manufacturing sectors with precision machining and next-day logistics
Specialized Polymer
Distribution Services
Warehouse Inventory
Massive selection of thermoplastics maintained at our Kent facility for same-day order fulfillment and will-call convenience
Custom Fabrication
Advanced CNC machining and waterjet capabilities producing parts to tolerance specifications for demanding applications
Pacific NW Logistics
Dedicated fleet serving King County and beyond with guaranteed delivery windows to minimize your production downtime
Western Washington’s
Premier Plastics Distributor
Based in Kent’s industrial corridor at 5620 S. 226th Street, Calsak Plastics operates Washington’s most comprehensive thermoplastics distribution hub. Our strategic location near major transportation arteries enables efficient material flow to fabricators and OEMs throughout the Puget Sound basin and across the Pacific Northwest.
Understanding the rigorous demands of Seattle-area aerospace and marine sectors, we’ve built our reputation on material traceability, certification documentation, and technical competency. Our polymer specialists work directly with engineering teams to specify materials meeting both performance requirements and regulatory compliance standards.
From commodity resins to advanced engineering thermoplastics, our Kent warehouse stocks materials supporting diverse applications across technology manufacturing, boat building, medical equipment production, and industrial fabrication. We’ve become the preferred supplier for operations from Tacoma to Everett requiring both material quality and logistics reliability.
Reach Our
Washington Team
Location
5620 S. 226th St
Kent, WA 98032
Business Hours
- Monday 7:30 AM to 4:30 PM
- Tuesday 7:30 AM to 4:30 PM
- Wednesday 7:30 AM to 4:30 PM
- Thursday 7:30 AM to 4:30 PM
- Friday 7:30 AM to 4:30 PM
- Saturday Closed
- Sunday Closed
Technical Grade
Plastic Materials Stocked
Engineering thermoplastics available for immediate pickup or expedited shipping from our Kent distribution hub
Strategic Advantages
Working With Calsak
Zero Backorders
Substantial warehouse inventory eliminates supply chain disruptions and keeps your production lines operational
Tolerance Machining
CNC fabrication capabilities ensure dimensional accuracy for critical aerospace and medical components
Regional Network
Proven logistics infrastructure covering Seattle, Tacoma, Everett, and the entire I-5 industrial corridor
Material Science
Engineering support team assists with resin selection, property analysis, and regulatory compliance documentation
Enterprise Solutions
Custom inventory management and blanket purchase orders available for high-volume manufacturing accounts
Certified Stock
Complete material certifications and lot traceability meeting aerospace AS9100 and medical ISO 13485 standards
Empowering
Washington Manufacturing
Material partnerships with leading Pacific Northwest manufacturers and fabrication specialists
Let’s Solve Your
Material Requirements Together
Our Kent team combines deep polymer knowledge with responsive logistics to support Washington manufacturers. From material specification through delivery coordination, we’re your strategic partner for plastics procurement excellence.
Delivering throughout Seattle, Kent, Tacoma, Bellevue, Everett, and all King County manufacturing districts