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Dongguan JUYE Plastic Technology Co., Ltd. is a TPE thermoplastic elastomer company integrating research and development, production, and sales.

Publication: 2026-07-25View: 89
HOME > MARKETS > Market Application Cases > Adult Products > How to Choose TPE/TPR Materials for Stress Relief Toys? A Guide to Selecting Materials for Squishies and Stress Balls

How to Choose TPE/TPR Materials for Stress Relief Toys? A Guide to Selecting Materials for Squishies and Stress Balls

Introduces key points for selecting TPE or TPR for squishies, stress balls, and other stress relief toys, including hardness, rebound, surface, odor, durability, structure, and regulatory verification, avoiding material selection based solely on "eco-friendly and non-toxic" claims.

Table of Contents

Squishies, stress balls, and squeeze toys need to balance softness, rebound, tear resistance, surface feel, and molding stability. The hardness of TPE or TPR is only a basic parameter; structure, wall thickness, and usage patterns also determine the final product's performance.

Key Material Selection Points for Different Toys

ProductCore RequirementsVerification Methods
Solid stress ballRebound, grip feel, compression set, and surface stabilityCyclic squeezing, long-term compression, cleaning, and storage
Thin-walled squishyFilling, demolding, tearing, and localized stressReal wall-thickness samples, tensile, torsion, and drop tests
Hollow or composite structureSealing, interfacial bonding, and internal filling compatibilityLeakage, migration, environmental storage, and structural fatigue

Lower Hardness Is Not Always Better

Materials that are too soft may increase risks of demolding issues, deformation, surface tackiness, or insufficient support; materials that are too hard may affect grip feel and rebound. Candidate materials should be compared on target wall thickness, texture, and internal structure, rather than just touching the pellets.

Information Needed Before Prototyping

  • Target age, usage patterns, and sales region;
  • Solid, hollow, or filled structure and critical wall thickness;
  • Injection molding, casting, or other molding methods;
  • Color, surface texture, odor, and cleaning requirements;
  • Cyclic squeezing, tearing, drop, and storage conditions.
Compliance Note: Toy testing depends on product category, target age, and sales market. Material names cannot replace finished product testing; testing items should be determined by the customer or an accredited laboratory, and the official report shall prevail.
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Dongguan JUYE Plastics Technology Co.,Ltd.

No. 2, Fourth Street, Shuju Second Industrial Zone, Changping Town, Dongguan City, Guangdong Province, China
juyetpe@juyetpe.com
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Ms. Zhang
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