Rotomolded Food Grade Products
Granger Plastics Company has been rotationally molding certified prime virgin materials since the inception of the company. Because of Granger’s stance of not running any off-grade or “wide-spec” materials, coupled with Granger’s on-going pursuit of high-quality, Granger is the perfect candidate for your food application rotational molding needs! Using USDA/FDA certified prime virgin materials for food contact, Granger can successfully take your food product or food processing product from start to finish by assisting with the rotational molding design to ensure it’s moldability, build your tooling or oversee the completion of your tooling and then take it right through production! Even stock product and drop ship to your facilities around the World if that is what your operation requires!
While polyethylene is the most common material for the rotational molding process, Granger has also found that polypropylene is a great fit for a number of rotomolded food grade applications because of its enhanced abrasion resistance and its ability to withstand elevated temperatures. Granger Plastics also has partnerships with other companies who have the ability to enhance the physical properties of molded components in a secondary process which will give the products superior strength and able to withstand elevated temperatures. Some food applications require heavy wall polypropylene parts, which Granger Plastics was capable of molding at unprecedented wall thickness levels that were never previously experienced by many experts in the rotomolding industry.

Food Grade Bulk Storage Bin
Granger Plastics also touts an ability to hold tighter tolerances than most of the rotational molding industry’s accepted standards. This allows Granger to be successful in working with many companies on converting products to the rotational molding process such as stainless steel. Being able to convert a product or component from stainless steel to a polymer based product allows for substantial savings and process improvements for a growing number of customers.
With Granger Plastics offering a complete single source rotational molding supply operation, complete with in-house molds, secondary trim & assembly, packaging and drop shipping, it continues to make since why Granger Plastics Company should be your partner in rotational molding.
Rotomolded Food Products Photo Gallery
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"Solutions Beyond Expectations"
Not all polyethylene is created equal — especially when it comes to rotational molding.
LLDPE vs. HDPE. Melt index. UV stability. Pigments. Reprocessed material. Molded features. Long-term outdoor performance.
Choosing the right resin can have a huge impact on how a rotationally molded product performs, processes and holds up over time.
We put together a detailed guide covering some of the biggest factors that go into polyethylene selection for rotational molding — including the kind of real-world lessons that only come from actually making parts.
If you design, source or manufacture plastic products, this one is worth a look.
👉 www.rotationalmolding.com/rotational-molding-polyethylene/
#rotationalmolding #rotomolding #polyethylene #manufacturing #engineering #PlasticManufacturing
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32 years isn’t something you stumble into.
It comes from solving difficult problems. Designing better parts. Building better tooling. Learning from decades of production experience — and continuing to invest in what comes next.
Since 1994, The Granger Plastics Company has helped turn ideas, engineering challenges and demanding applications into rotationally molded products built for the real world.
We’re proud of 32 years in business.
But what excites us more is the next project.
If your company has a product that’s too large, too complex, too corrosion-prone, too difficult to manufacture — or simply needs a better way to be made — we’d like to hear about it.
Read the story behind 32 years of rotational molding innovation:
wkow.marketminute.com/article/marketersmedia-2026-9-22-granger-plastics-company-celebrates-32-yea...
Then bring us the problem nobody else wants.
#RotationalMolding #Rotomolding #Manufacturing #Engineering #PlasticManufacturing #MadeInUSA #ProductDevelopment
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Granger Plastics Company Celebrates 32 Years of Rotational Molding Innovation | WKOW
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Ohio manufacturer marks more than three decades of engineering, manufacturing and custom rotational molding while continuing to invest in the industry's future.0 CommentsComment on Facebook
How much does rotational molding really cost?
The answer depends on more than just the price of plastic. Tooling, part size, geometry, material selection, production volume, finishing requirements, and secondary operations can all affect the final cost of a rotationally molded product.
We put together a practical guide explaining the major factors that influence rotational molding costs—and what companies should consider when evaluating a new project.
👉 Read the full article:
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What Does Rotational Molding Really Cost? – Rotational Molding | Rotomolding | Granger Plastics
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Understanding the true cost of rotational molding requires more than simply multiplying resin cost by a factor. Learn how tooling, cycle time, labor, machine utilization, part complexity, secondary op...0 CommentsComment on Facebook
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Not all polyethylene is created equal — especially in rotational molding.
LLDPE vs. HDPE, melt index, UV stability, pigments, molded features & long-term performance all matter.
Our new technical guide:
#RotationalMolding #Rotomolding #Manufacturing
Rotational Molding Polyethylene: LLDPE, HDPE & PE Resin Selection
Learn how polyethylene resin selection affects rotational molding performance, including LLDPE, HDPE, melt index, UV sta...
www.rotationalmolding.com
http://RotationalMolding.com is officially live. Built from 33 years of manufacturing experience and thousands of custom rotomolded products, the site is designed to help engineers, OEMs and product designers better understand the process.
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#Rotomolding
Internationally recognized Rotomolding leader @GrangerPlastics makes AP headlines...
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Rotational Molding vs. Injection Molding — which process is right for your product?
The answer depends on more than just part shape. Tooling investment, production volume, part size, durability, materials, wall thickness, and long-term manufacturing economics can all influence the best choice.
We break down the strengths, limitations, and ideal applications of both processes in our latest article on RotationalMolding.com.
Read the full comparison at the link in bio.
#RotationalMolding #Rotomolding #InjectionMolding #PlasticManufacturing #Manufacturing #ProductDesign #Engineering #PlasticsEngineering #ProductDevelopment #CustomManufacturing
Rotational Molding vs. Injection Molding — which process is right for your product?
The answer depends on more than just part shape. Tooling investment, production volume, part size, durability, materials, wall thickness, and long-term manufacturing economics can all influence the best choice.
We break down the strengths, limitations, and ideal applications of both processes in our latest article on RotationalMolding.com.
Read the full comparison at the link in bio.
#RotationalMolding #Rotomolding #InjectionMolding #PlasticManufacturing #Manufacturing #ProductDesign #Engineering #PlasticsEngineering #ProductDevelopment #CustomManufacturing
RotationalMolding.com is officially live.
Built from more than three decades of real-world manufacturing experience, the new site brings together practical engineering guidance, rotational molding knowledge, product information and industry resources in one expanding destination.
Explore the launch and see what’s new at the link in our bio.
#RotationalMolding #Rotomolding #Manufacturing #PlasticsManufacturing #Engineering #MadeInUSA #GrangerPlastics
RotationalMolding.com is officially live.
Built from more than three decades of real-world manufacturing experience, the new site brings together practical engineering guidance, rotational molding knowledge, product information and industry resources in one expanding destination.
Explore the launch and see what’s new at the link in our bio.
#RotationalMolding #Rotomolding #Manufacturing #PlasticsManufacturing #Engineering #MadeInUSA #GrangerPlastics
Seems to be that time of the year again. In-ground Safety Shelter`s are in high demand. Learn more about America`s leading Underground Tornado Shelter innovation at www.grangeriss.com
Seems to be that time of the year again. In-ground Safety Shelter`s are in high demand. Learn more about America`s leading Underground Tornado Shelter innovation at www.grangeriss.com
Struggling with winter driving? Discover essential tips to keep your pick-up truck safe on icy roads! From tire pressure checks to the must-have Weight-Mate traction device, we`ve got you covered. Don`t get stuck this winter—learn more now!
#winter #driving #truck #safety #tips #traction #icy #roads #Weightmate, #vehicle #winter #weather #emergencygear #tirepressure #pickup #truck #winterstorm #snow #rotomolding #plastics #rotationalmolding
Struggling with winter driving? Discover essential tips to keep your pick-up truck safe on icy roads! From tire pressure checks to the must-have Weight-Mate traction device, we`ve got you covered. Don`t get stuck this winter—learn more now!
#winter #driving #truck #safety #tips #traction #icy #roads #Weightmate, #vehicle #winter #weather #emergencygear #tirepressure #pickup #truck #winterstorm #snow #rotomolding #plastics #rotationalmolding
May the Fourth Be With You... Protecting you from Mother Nature`s FORCE!
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May the Fourth Be With You... Protecting you from Mother Nature`s FORCE!
#tornado #tornadoshelters #plastics #grangeriss #stormshelters #rotomolding #rotationalmolding #grangerplastics #grangeriss #starwars #darthvader #stormtrooper #staysafeoutthere




