Teknor Apex has yielded a new series of thermoplastic elastomers (TPEs), for over-molding that exhibit good adhesion to engineering plastic substrates while meeting the stringent requirements for use in medical devices.

Medalist MD-30000 Series medical TPEs bond effectively to polycarbonate, ABS, PC/ABS, CoPe, PET, PBT, ASA, SAN, PMMA, POM, PA, and PS. Each compound in the series is chemically modified for adhesion to specific substrates.

Each compound in the Medalist MD-30000 Series is chemically modified for adhesion to specific substrates.

Processable in either multi-shot or insert molding, the compounds are for use in wearable devices, ‘soft-touch’ or cosmetic grips for device housings, handheld devices, instruments, and seals and gaskets.

The new series includes grades with enhanced softness, translucence, low compression set for effective sealing properties, and resistance to lotions and other chemicals encountered by wearable devices.

Unlike liquid silicones, over-molded TPEs do not require the use of a primer, have a shorter cycle time due to avoidance of a curing process, and can be processed on conventional injection molding equipment.

The medical instrument with ‘soft-touch’ features.

Three of the Medalist MD-30000 Series compounds were introduced earlier this year after successful completion of a joint project with Covestro LLC, in which the materials were over-molded onto medical grades of polycarbonate and PC alloys and tested for adhesion, processability, and chemical resistance.

“Over-molding Medalist TPEs onto rigid substrates enhances the ergonomic and aesthetic properties of medical devices, adds new functionalities such as molded-in seals and cushions, and provides the design freedom and cost savings associated with parts consolidation,” said Ross van Royen, senior market manager for Teknor Apex.

Medalist MD-30000 Series compounds are offered worldwide, and custom formulations are available.

Teknor Apex has yielded a new series of thermoplastic elastomers (TPEs), for over-molding that exhibit good adhesion to engineering plastic substrates while meeting the stringent requirements for use in medical devices.

Medalist MD-30000 Series medical TPEs bond effectively to polycarbonate, ABS, PC/ABS, CoPe, PET, PBT, ASA, SAN, PMMA, POM, PA, and PS. Each compound in the series is chemically modified for adhesion to specific substrates.

Each compound in the Medalist MD-30000 Series is chemically modified for adhesion to specific substrates.

Processable in either multi-shot or insert molding, the compounds are for use in wearable devices, ‘soft-touch’ or cosmetic grips for device housings, handheld devices, instruments, and seals and gaskets.

The new series includes grades with enhanced softness, translucence, low compression set for effective sealing properties, and resistance to lotions and other chemicals encountered by wearable devices.

Unlike liquid silicones, over-molded TPEs do not require the use of a primer, have a shorter cycle time due to avoidance of a curing process, and can be processed on conventional injection molding equipment.

The medical instrument with ‘soft-touch’ features.

Three of the Medalist MD-30000 Series compounds were introduced earlier this year after successful completion of a joint project with Covestro LLC, in which the materials were over-molded onto medical grades of polycarbonate and PC alloys and tested for adhesion, processability, and chemical resistance.

“Over-molding Medalist TPEs onto rigid substrates enhances the ergonomic and aesthetic properties of medical devices, adds new functionalities such as molded-in seals and cushions, and provides the design freedom and cost savings associated with parts consolidation,” said Ross van Royen, senior market manager for Teknor Apex.

Medalist MD-30000 Series compounds are offered worldwide, and custom formulations are available.