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  • Reinforcing Ribs and Rotational Molding Design
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Plastic Thermoforming vs. Injection Molding – Production and Finishing

November 23, 2015 2751 views
Plastic thermoforming production differs from injection molding in terms of production methods, and with regard to tooling, materials, and parts finishing.…
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Vacuum Formed Parts - Vacuum Forming Services
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Plastic Thermoforming Materials vs. Injection Molding Materials

October 30, 2015 2655 views
Plastic thermoforming differs from injection molding in terms of tooling, materials, production, part quality, and finishing. In Part 2 of…
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Plastic Thermoforming vs. Injection Molding – Tools

September 25, 2015 2779 views
Plastic thermoforming differs from injection molding in terms of tooling, materials, production, part quality, and finishing. In Part 1 of…
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Plastic Beer Cooler Manufacturer
Featured Projects

Heineken Draught Keg Cooler

August 10, 2015 4396 views
Refrigerated POP displays like this Heineken draught keg cooler need to be functional and attractive. With this featured project, Gregstrom…
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Plastic Chemical Feeder - Rotational Molding Services
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Plastic Chemical Feeder | Rotational Molding Services

August 10, 2015 2702 views
Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal and large commercial water systems. Gregstrom took this…
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Medical Laser Assembly - Pressure Forming Services
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Medical Laser Assembly | Pressure Forming Services

August 9, 2015 2152 views
Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom applied its pressure forming, quality assurance, inventory…
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3D Printer Housing - Rotational Molding Services
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3D Printer Housing | Rotational Molding Services

August 8, 2015 2763 views
Gregstrom is a custom rotomolder with complete assembly and testing services. Our portfolio of projects includes plastic parts like this…
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Pressure Formed Parts | Pressure Forming Services

July 11, 2015 2314 views
Pressure formed parts are strong, detailed, and cost-effective. Learn how these plastic parts are made and used. Pressure forming is…
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Vacuum Formed Parts | Vacuum Forming Services

July 11, 2015 2200 views
Vacuum formed parts are strong, lightweight, and built for repeated use. Learn how these plastic parts are made and used.…
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Powder Chemical Dispenser - Rotational Molding Services
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Powder Chemical Dispenser | Rotational Molding Services

June 29, 2015 2286 views
Gregstrom is a custom rotomolder with complete assembly and testing services. Our portfolio of projects includes plastic parts like this…
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About Us

Gregstrom Corporation is a custom rotational molder and heavy gauge thermoformer that adds value to your projects.

For nearly 70 years, Gregstrom Corporation has been building lasting relationships with partners in industries like yours.

As a third-generation, family-owned business, our American-owned company stakes its reputation on a commitment to quality, customer service, and continuous improvement.

Featured Projects

Heineken Draught Keg Cooler

Heineken Draught Keg Cooler

August 10th, 2015

Refrigerated POP displays like this Heineken draught keg cooler need to be functional and attractive[...]
Plastic Chemical Feeder | Rotational Molding Services

Plastic Chemical Feeder | Rotational Molding Services

August 10th, 2015

Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal [...]
Medical Laser Assembly | Pressure Forming Services

Medical Laser Assembly | Pressure Forming Services

August 9th, 2015

Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom ap[...]

Portfolio

Plastic Chemical Feeder | Rotational Molding Services

Plastic Chemical Feeder | Rotational Molding Services

August 10th, 2015

Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal [...]
Medical Laser Assembly | Pressure Forming Services

Medical Laser Assembly | Pressure Forming Services

August 9th, 2015

Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom ap[...]
3D Printer Housing | Rotational Molding Services

3D Printer Housing | Rotational Molding Services

August 8th, 2015

Gregstrom is a custom rotomolder with complete assembly and testing services. Our portfolio of proje[...]

Blog

Reinforcing Ribs and Rotational Molding Design

Reinforcing Ribs and Rotational Molding Design

July 27th, 2017

Rotational molding design is an essential part of rotational molding, a plastics manufacturing proce[...]
Wall Thickness and Rotational Molding Design

Wall Thickness and Rotational Molding Design

June 27th, 2017

Rotational molding design requires close attention to more than just functional requirements, materi[...]
Rotational Molding Design: An Overview

Rotational Molding Design: An Overview

May 25th, 2017

Rotational molding design is an important part of rotational molding, a manufacturing method for pro[...]
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