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A Complete Guide to the Three Most Common Rotomolding Defects: Bubbles & Voids, Uneven Wall Thickness, and Warpage
A Complete Guide to the Three Most Common Rotomolding Defects: Bubbles & Voids, Uneven Wall Thickness, and Warpage

If you work in rotomolding, you've experienced it: the raw material hasn't changed, the mold hasn't changed, yet problems keep cropping up in your products. Bubbles on the surface, voids inside, warpage and distortion after cooling, uneven wall thickness — scrap rates remain stubbornly high.

2026-08-14 Explore more  
More Than Just Plastic Tanks — Rotomolding Is Found Across Virtually Every Industry!
More Than Just Plastic Tanks — Rotomolding Is Found Across Virtually Every Industry!

In our last installment, we explored the fundamental principles behind rotational molding — no high pressure, almost zero waste, just a simple and efficient process that has established itself firmly in the world of hollow plastic products. If the science we covered is the skeleton of rotomolding, then what we’re diving into today — its application areas — is the lifeblood that keeps it moving.

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08-13 2026
No High Pressure, Almost Zero Waste — Why It’s the “King” of Hollow Plastics?
No High Pressure, Almost Zero Waste — Why It’s the “King” of Hollow Plastics?

From large outdoor water tanks and septic tanks to small playground equipment and agricultural parts, many hollow plastic products owe their existence to an unsung yet highly effective technology — rotational molding (commonly called rotomolding).

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08-11 2026
Our feature in We Roll Magazine is now live!——Interview to Sharon Zhu
Our feature in We Roll Magazine is now live!——Interview to Sharon Zhu

Our feature in We Roll Magazine is now live! We’re grateful for the opportunity to share Rising Sun Rotomolding Machinery ’s journey, our perspective on industry trends, and our approach to sustainability in #rotationalmolding.

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12-03 2025
We’re excited to share that the very first issue of WeRoll magazine has officially been published — and Rising Sun Rotomolding is honored to be featured!
We’re excited to share that the very first issue of WeRoll magazine has officially been published — and Rising Sun Rotomolding is honored to be featured!

We’re excited to share that the very first issue of WeRoll magazine has officially been published — and Rising Sun Rotomolding is honored to be featured!

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08-07 2025