A thermoplastic rubber (TPR) is a type of material that encompasses properties of both rubber and plastic. A thermoplastic rubber is similar to a thermoplastic elastomer but is more firm. TPR is used in a wide variety of consumer products.
More About Thermoplastic Rubber
TPR is flexible yet strong and durable. It is also lightweight, weather resistant, reuseable, and recyclable. TPR is commonly used in the making of shoe soles and tool hand grips.
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TPR is like a "soft" plastic. Yet, it is also strong and very durable. Many sex toys are made using TPR.