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Silicones from Dow Corning
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TPSiV Solutions

Unique Thermoplastic Elastomers Featuring Silicone

TPSiV® thermoplastic elastomers from Dow Corning combine the strength, toughness and abrasion resistance of any thermoplastic elastomer with the desirable properties of silicone: softness, silky feel, resistance to UV light and chemicals , and outstanding colorability. These unique materials incorporate vulcanized silicone modules in a thermoplastic matrix, and like traditional thermoplastic vulcanizates (TPVs), they can be recycled and reused in your manufacturing processes.

Dow Corning offers you several TPSiV product families in durometer hardnesses ranging from Shore A 50 to 80, and can engineer custom grades from any thermoplastic resin to meet your specific requirements. Adding to their versatility, our materials can be manufactured using standard thermoplastic processes, including overmolding or coextrusion with rigid plastic substrates such as PC, ABS, PA and PP.

Solving Your Application Challenges

The performance properties, safety and aesthetics of Dow Corning's TPSiV materials make them ideal for wearable electronics such as smart watches, fitness bands, health monitors and earbuds. Other target applications include housings, handles, buttons, battery covers and accessory cases for consumer electronics such as handheld devices and home appliances. You can also use them for flexible pipe connections in potable water systems.

Our TPSiV portfolio offers important benefits, including:

  • Non-tacky Feel that Resists Dirt. TPSiV materials contain no plasticizers that can create surface stickiness. Instead, the silicone itself acts as a softening agent.
  • Skin Contact Safety. TPSiV grades have been shown to be non-irritating and non-sensitizing in skin contact applications, and have no evidence of systemic toxicity, according to standards such as USP Chapter <88> and ISO 10993-10.
  • Exceptional Aesthetics. These materials can be custom colored and deliver long-lasting colorfastness, even with exposure to sweat, oil, UV light and abrasion.
  • Silky Touch. TPSiV materials combine silkiness and softness for comfort and wearability.

Product highlights include:

  • Dow Corning® TPSiV 4000 Series: A range of UV-stable, colorable thermoplastic elastomers.
  • Dow Corning® TPSiV X5300 Elastomer: A material for flexible tubing that complies with the DVGW W270 technical standard for microbial growth in potable water.

Find out more about Dow Corning's patented thermoplastic elastomer materials combining silicone and thermoplastic properties. It's as easy as contacting your Dow Corning representative.

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