Thermoplastic Elastomers · Flexibility Meets Durability
TPE Injection Molding
Thermoplastic Elastomers (TPE) are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) which consist of materials with both thermoplastic and elastomeric properties. TPEs exhibit flexibility and stretchability similar to rubber but can be molded and recycled like plastics. They are used in a wide array of applications due to their excellent elasticity, shock absorption, and resistance properties.
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Material grades
Common Brand Names
These brands are recognized for their high-quality TPE materials, offering various grades to suit specific application needs, from medical devices to automotive parts.
Sarlink®
Kraton®
Versaflex™
Dynaflex®
Material properties
How TPE Molds and Performs
Moldability Characteristics
Easy to Process. TPEs can be easily molded using standard thermoplastic processing methods, including injection molding, extrusion, and blow molding.
Design Flexibility. Their versatility allows for innovative product design, combining hard and soft components into a single part without the need for adhesives.
Overmolding Capabilities. TPEs can be overmolded onto other plastics, offering enhanced product functionality and aesthetic qualities.
Mechanical Properties
Excellent Elasticity. TPEs can stretch to moderate elongations and return to their original shape without permanent deformation.
Variable Hardness. The hardness of TPEs can be adjusted from soft and flexible to rigid, depending on the application requirements.
Good Resistance. They offer good resistance to chemicals, UV, and weathering, making them suitable for outdoor and harsh environment applications.
Where TPE is used
Common TPE Applications
Automotive Parts
Seals, gaskets, and hoses that require durability, flexibility, and resistance to varying temperatures and chemicals.
Medical Devices
Tubing, grips, and seals in medical devices where flexibility, biocompatibility, and sterilization are critical.
Consumer Products
Soft-touch grips on tools, sports equipment, and personal care products for improved ergonomics and aesthetics.
Packaging
Seals and gaskets in food and beverage packaging that require compliance with food safety regulations and flexibility.
Why Choose Thermoplastic Elastomers (TPE)
Opting for TPEs means choosing a material that offers the performance of rubber with the processing efficiency of plastics.
TPEs are ideal for applications requiring a combination of flexibility, durability, and a high-quality finish. Their ease of processing and recyclability make TPEs a sustainable option that can enhance product design and functionality.