What is TPR? TPR vs Silicone

TPR and silicone are the very common materials used for making stress relief toys, though they still have some different properties.

What is TPR?

Thermoplastic Rubber (TPR) is a versatile material known for its unique blend of characteristics. TPR is created by combining polymer and rubber materials through a process called thermoplastic injection molding. This method grants TPR the elasticity of rubber and the moldability of plastic, providing a wide range of applications across different industries.

Key Features of TPR

The primary benefits of TPR include excellent flexibility, durability, and resistance to wear and tear.

TPR can be easily stretched and bent without losing its structural integrity, making it suitable for products that require frequent movement or pressure. Durability is another noteworthy attribute, as TPR can withstand significant wear and tear, which is essential for robust performance over time. Additionally, TPR exhibits high elasticity, allowing it to return to its original shape after deformation.

Besides, it offers enhanced comfort and a high degree of recyclability, making it an eco-friendly choice.

Common Applications of TPR

TPR is extensively used in the manufacturing of shoe soles, grips for sports equipment, and various automotive parts. Its adaptable nature makes it suitable for products requiring a combination of strength and flexibility. 

It’s also innovative to use it for making stress ball toys, its special squishy texture and sticky surface is ideal to make splat balls. And with expansions into various shapes, sizes, fillings,and textures, turns it into endless of sensory fun.

Overview of Silicone

Silicone is a synthetic polymer composed primarily of silicon, oxygen, carbon, and hydrogen. It is a highly flexible, heat-resistant material used in a wide range of applications. It is known for its longevity, non-reactive nature, and ability to withstand extreme temperatures. Silicone is also hypoallergenic, making it ideal for medical and food-related uses.

In toys industry, it’s mainly used for kids teethers, pop-it toy, and sensory activity pushpeel board.

Making the Right Choice

In conclusion, TPR (thermoplastic rubber) and silicone share some similarities, such as flexibility and non-toxicity, their performance diverges significantly based on application requirements.

When deciding between TPR and Silicone, consider factors such as the required flexibility, temperature resistance, and intended application of the product. For items that need to withstand high heat and potential contact with food or mouth, silicone is often the better choice. On the other hand, TPR is ideal for products where a soft touch and durability are essential.

TPR vs Silicone

MaterialProsCons
TPRHigh flexibility, durability, and cost-effectiveness, special sticky featurelower temperature resistance
SiliconeHeat resistance(-40° to 230°), hypoallergenicHigher price, Malleability is not as good as TPR

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