Plastic Injection Molding - Medium to Large Parts
Structural Foam & Gas Assist Molding
603.569.5100

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custom molding

Custom Injection Molding

GI Plastek has plastic injection molding presses ranging from 220 to 1,574 tons. Additional in-house services include product development, engineering, assembly, painting, EMI shielding, applied graphics, and printing. We will work directly with you, or through your design firm, to ensure your product is optimally designed.

post molding services

Post Molding Services

• In-house paint facility
• Custom color matching
• Walk-in paint booths
• Hot stamping, silk screening, decals
• EMI/RFI shielding
• Welding - adhesive, solvent, ultrasonic
• Assembly
• Heat staking
• Custom packaging, bar coding
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markets

Markets

medical• Medical & Diagnostic Equipment
• Military
• Industrial
• Business & Office Equipment
• Construction
• Leisure & Recreation
• Material Handling
• Renewable Energy
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structural foam molding

Structural Foam
Injection Molding

Structural Foam molding produces thicker plastic parts with cellular cores and rigid outer shells yielding products with very high strength to weight performance. Benefits include lower weight, lower material cost and greater design flexibility. We offer structural foam parts up to 25 lbs.
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gas assist molding

Gas Assist Molding

In Gas Assist Molding nitrogen is injected in the plastic to create channels. This results in a light-weight, hollow tube like structure. Benefits include greatly increased strength through design structure, decreased cycle times, reduced material and lower overall costs.
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New Plant Expansion

GI Plastek Completes
Major Expansion Project

GI Plastek has completed the expansion of its custom injection molding plant in Wolfeboro, NH. The size of the facility has been increase from 54,000 square feet to 91,000 square feet, allowing the addition of more state-of-the-art medium and large injection molding presses, as well as greater assembly and warehouse space.
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