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50+ Years
experience
Trusted Plastic Injection Molding Services in Vancouver, WA
Kaso Plastics has been a trusted leader in plastic injection molding since 1962, serving the greater Northwest with unwavering dedication to quality and innovation. Our 65,000-square-foot facility in Vancouver, Washington, houses cutting-edge technology, including all-electric injection molding machines, enabling us to deliver high-quality, close-tolerance parts for diverse industries. With over 30 years of combined experience, our engineering team specializes in new product development, metal-to-plastic conversion, and materials selection, ensuring optimal design and manufacturing solutions. Certified to ISO 9001:2015, we prioritize rigorous quality control, automation, and client collaboration to meet the highest standards.

From early supplier involvement to production and assembly, our client services team ensures seamless project execution. We serve automotive, consumer, medical, military, and agricultural sectors, offering structural foam molding, gas assist molding, and ultrasonic welding. Our commitment to sustainability, cost efficiency, and technical expertise has earned us a reputation as a contract manufacturing powerhouse in the Vancouver/Portland area. Join us to experience firsthand how our engineering excellence and dedication to continuous improvement drive success for your projects.
Services
Plastic Injection Molding Metal to Plastic Conversion Materials Selection Ultrasonic Welding Structural Foam Molding Gas Assist Molding Insert Overmolding Rapid Prototyping Design for Manufacturing Mold Flow Analysis
Details
  • Year established: 1962
Highlights and features
  • We offer 60+ years of expertise in plastic injection molding.
  • Our ISO 9001:2015 certification ensures rigorous quality standards.
  • We provide end-to-end solutions from design to production.
  • Our state-of-the-art facility uses all-electric, energy-efficient machinery.
  • We specialize in metal-to-plastic conversion for cost savings.
Associations and certifications
  • ISO 9001:2015
Services
Plastic Injection Molding
Kaso Plastics provides high-quality plastic injection molding using advanced all-electric machines. Our 65,000-square-foot facility supports short and long-run production for industries like automotive, medical, and consumer goods. With ISO 9001:2015 certification, we ensure precision, repeatability, and cost efficiency. Our process includes mold maintenance, automated quality checks, and supply chain coordination to deliver reliable, close-tolerance parts.
Metal to Plastic Conversion
We specialize in converting metal components to plastic, reducing weight and manufacturing costs while maintaining structural integrity. Our engineers analyze feasibility, select optimal resins, and leverage injection molding to create complex, lightweight parts. This service benefits industries like automotive and aerospace by improving design flexibility and production efficiency while meeting regulatory standards.
Ultrasonic Welding
Kaso Plastics offers ultrasonic welding for joining dissimilar materials without adhesives or fasteners. This energy-efficient process is ideal for aerospace, electronics, and medical devices, providing precise, contaminant-free assembly. Applications include sensor housing, wire harnesses, and interior automotive components, ensuring durability and corrosion resistance in harsh environments.
Structural Foam Molding
Our structural foam molding creates lightweight, stable parts with low-cost tooling. This technique reduces material usage and cycle times, making it ideal for large, complex components in industrial and agricultural equipment. The process offers design flexibility and cost savings while maintaining strength and dimensional stability for high-volume production.
Materials Selection
We guide clients in choosing optimal materials for injection molding, balancing performance, cost, and regulatory compliance. Our expertise covers ABS, polycarbonate, nylon, and high-performance resins for medical, aerospace, and consumer applications. Proper material selection ensures durability, heat resistance, and aesthetic quality, minimizing tooling adjustments and production delays.
Questions
What industries does Kaso Plastics serve?
We serve automotive, consumer goods, medical, military, agriculture, and electronics industries with tailored plastic injection molding solutions.
What is metal-to-plastic conversion?
Metal-to-plastic conversion replaces metal parts with lightweight, durable plastic components, reducing costs and improving design flexibility.
Are your materials selection services included in molding projects?
Yes, our experts guide material choices to optimize performance, cost, and compliance for your specific application.
Do you offer prototyping services?
Yes, we provide 3D printing and rapid prototyping to validate designs before full-scale production.
What quality certifications do you hold?
We are ISO 9001:2015 certified, ensuring adherence to strict quality management standards.
Can you handle complex molding techniques?
Yes, we specialize in gas assist molding, structural foam molding, insert overmolding, and ultrasonic welding for complex parts.
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