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Biomedical Polymers and Compounds™

Polymer Blends and Alloys

Polymer Blends and Alloys

Medical compounds require precision feeding, melting and dispersion of polymers and additives to achieve a homogeneous blend. At Foster, all medical compounding is performed on twin screw extruders with processing capabilities suitable for a wide range of base polymers.

Often times in compounding, polymer formulations may require the blending of two commercially available materials to achieve hybrid properties not available from any single resin. Examples include the blending of HDPE and LDPE to achieve intermediate flexibility, or the blending of nylon and urethane to achieve a balance of lubricity and elasticity. Additionally, medical polymers may be blended with specialized additives for enhanced properties to achieve specific functional requirements.

Category Class Examples
Specialty Polymers Polyolefins LDPE, HDPE, LLDPE, PP, EVA
Styrenics PS, SAN, ABS, HIPS
Vinyls PVC, PVDC
Engineering Polymers Polyamides Nylon 6, 6/6, 6/10, 6/12, 11, 12, Amorphous
Polyesters PET, PBT, PETG
Acetals Copolymer, Homopolymer
Thermoplastic Elastomers PU, PEBA, COPE
Polycarbonate PCABS
Performance Polymers High Temperature PEEK, PES, PPS, PSU, LCP
Fluoropolymers FEP, PVDF, ETFE

 

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