Interstate Advanced Materials Seattle is a leading distributor of high-quality plastics and composite materials, serving a diverse array of commercial and industrial applications. With a combined 100+ years of experience working in plastics, our Seattle team specializes in the industrial marine, food processing, and agriculture industries, with additional expertise in the POP display, government, semiconductor, construction, aerospace, and automotive sectors. Interstate Advanced Materials Seattle provides precise routing, cutting, and custom part services.
Call us today at (253) 600-2485 for help with your next project. We are committed to providing you with the same exceptional service that has been the cornerstone of our business for over forty years.
In-Stock Products
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Meet the Seattle Team
Packaging & Conveying Equipment Material Solutions for Seattle
Shop Packaging & Conveying Equipment Materials »
Interstate Advanced Materials in Seattle supplies the packaging and conveying industries with wear-resistant and durable plastics such as HDPE, UHMW, PTFE, and nylon. These materials have the low friction, light weight, and wear and chemical resistance required to endure the repetitive motions and high speeds seen in modern conveyor systems and packaging equipment. Wear-resistant plastics from Interstate Advanced Materials improve the reliability, efficiency, and durability of Seattle packaging and conveying operations to reduce maintenance and equipment downtime.
Properties
- Impact- and wear-resistant
- Resist chemicals, moisture, corrosion
- Wide service temperature range
- Low friction
- Lightweight
- Easily machinable
Applications
- Wear and friction-resistant parts
- Enclosures and safety guards
- Power transmission components
- Gears, sprockets, and bearings
- Hopper and chutes
- Sorting and handling systems
- Dispensing and filling systems
Industries
- Packaging
- Manufacturing
- Industrial
- Transportation
- Supply chain management
- Warehousing and distribution
- Canning and bottling
- Power transmission and mechanical systems
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Automotive Industry Material Solutions for Seattle
Interstate Advanced Materials in Seattle supports automotive companies operating in Seattle as a trusted supplier of specialized plastics designed for a variety of automotive components and applications. Plastics are lightweight and versatile, helping to improve fuel efficiency, add greater design flexibility, and lower the cost of manufacturing. Our extensive material catalog ranges from materials for interior car components to plastics for bumpers, engine parts, and switches.
Properties
- Lightweight - lighter than metal
- Generally durable materials
- Cost-effective
- Won't rust when it comes into contact with moisture
Applications
- Bumpers
- Dashboard and door panels
- Trim
- Connectors and switches
- Engine covers and coolant tanks
Industries
- Automotive
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Fish & Seafood Processing Material Solutions for Seattle
Shop Fish & Seafood Processing Materials »
Shop Food Processing Materials »
Interstate Advanced Materials in Seattle supports the fish and seafood processing industry with material solutions used for conveyor components, cutting boards, and processing equipment. FDA compliant or food grade materials are safe for direct food contact and offer resistance to moisture, chemicals, and abrasion. Our plastics help fish and seafood processing companies maintain the stringent standards the industry requires while improving equipment lifespan and reducing equipment downtime.
Properties
- FDA-approved and traceable material
- Self-lubricating, metal-replacement parts
- Corrosion and moisture resistant
- Low maintenance with reduced downtime
Applications
- Food-grade processing equipment parts
- Conveyor belts
- Cutting boards
- Fish and seafood packaging
Industries
- Seafood and fish pprocessing
- Food-safe conveyor systems
- Aquaculture
- Wholesaling and distribution
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Signage Material Solutions for Seattle
Interstate Advanced Materials in Seattle supports signage companies operating in Washington with material solutions used for signage like HDPE ColorCore®, High Impact Polystyrene (HIPS), Expanded PVC, and fluted polypropylene. Typically available in a wide variety of colors, our signage materials can be used in parks, recreational areas, commercial businesses, and more. High strength, durable, lightweight, and with great weatherability, plastics ensure long-lasting signage in outdoor and indoor environments that won't splinter or rot like wood.
Properties
- High strength materials
- Good machinability
- Generally good weatherability
- Generally screen or digital printable
- Lightweight
Applications
- Indoor and outdoor signage
- Displays
- Exhibits
- Point-of-purchase displays
- Prototyping
- Kiosks
Industries
- Signage
- Graphics
- Printing
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Marine Material Solutions for Seattle
Shop Floating Dock Materials »
Interstate Advanced Materials in Seattle supports the marine industry by providing water- and impact-resistant material solutions as an alternative to wood for marine applications. Specialized plastics like marine board HDPE are designed to withstand the rigorous conditions seen in marine environments and won't absorb moisture, ensuring that they will not rot, splinter, or swell like wood. Our durable materials offer excellent UV resistance, chemical resistance, and long-term performance, making them ideal for boat components, marina walkways, floating docks, and other marine structures.
Properties
- High strength materials
- Good machinability
- Generally good weatherability
- Generally screen or digital printable
- Lightweight
Applications
- Indoor and outdoor signage
- Displays
- Exhibits
- Point-of-purchase displays
- Prototyping
- Kiosks
Industries
- Signage
- Graphics
- Printing
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Construction Material Solutions for Seattle
Shop Bridge, Tunnel, & Elevated Highway Construction Materials »
Interstate Advanced Materials in Seattle supports construction companies operating in Seattle with a diverse catalog of plastics for general construction and transportation construction applications. Plastics offer superior strength, weather resistance, impact resistance, and weatherability compared to traditional materials such as steel or wood. From industrial construction applications to infrastructure projects, our catalog of material solutions meets the needs of the construction industry.
Properties
- Strong and durable
- Impact resistant
- Lightweight
- Weather resistant
- Good insulating properties
Applications
- Roofing for patios, canopies, decks
- Insulation
- Electrical components
- Piping
- Seals and gaskets
- Construction machinery components
- Barriers
- Cable insulation
Industries
- Residential building construction
- Commercial building construction
- Transportation
- Architecture
- Interior Design
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Seattle Solution Center News
Interstate Advanced Materials Seattle Delivers Solutions to Drive Growth in Key Washington Industries
Published: March 4, 2025
Interstate Advanced Materials, a premier distributor of plastics, composite materials, tools, and care products, proudly supports businesses across Washington through its Seattle location.
Interstate Advanced Materials Seattle Supports Washington Businesses with Expert Machining Services
Published: April 2, 2025
Interstate Advanced Materials Seattle provides Washington businesses with high-performance material solutions and precision machining services that enhance efficiency and reduce costs.
Interstate Advanced Materials Receives IAPD Award for Educational Excellence
Published: October 16, 2024
The International Association of Plastics Distributors presented Interstate Advanced Materials with the Gold Level Education Circle of Champions Award at the 68th IAPD Annual Convention on October 10th, 2024.
22435 68th Ave. South
Kent, WA 98032
(253) 600-2485
