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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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RTP 2720 S-40A

Technical Datasheet | Supplied by RTP Company
RTP 2720 S-40A is a saturated styrenic block copolymer grade reinforced with mineral. It exhibits stress-strain behavior and dynamic hysteresis that is more like a thermoset rubber than any other TPE. Also exhibits low compression set within their designed temperature range, generally lower and broader hardness range than other TPEs, low specific gravity and superior resistance to oxidation and UV radiation compared to unsaturated styrenic block copolymers. Offers good chemical resistance to water, acids and bases, and polar solvents. Also exhibits better oxygen- and ozone resistance than unsaturated versions. Applications include gaskets, seals, stoppers, housings, rollers, valves, bumpers, wheels, pads, casters, strain reliefs, cable jacketing, switch contact points, bellows, fuel line covers, housings, shoe soles/heels, wrist straps, cushions, airbag doors, keycaps, cosmetic cases, handles, grips, pushbuttons, knobs, electricals, electronics, medical devices, pump & tool housings, HVAC base pans & fan blades, panels, handles, brackets and components used in heavy equipments, plumbing fittings, valve bodies, gears for conveyor drives and power tools.
Product Type
SBC or TPE-S (Styrenic Block Copolymer) > SBC
Product Status
Applications/ Recommended for
  • Households products/ Consumer Goods > Powertools (drills...)
  • Gears
  • Wiring & Cables > Cable jacketing
  • Sealants, seals & gaskets
  • Electronics / Computers
  • Electrical markets
  • Footwear > Soles
  • Engineering / manufacturing > Belts, conveyors
  • Injection molding - thermoplastics

RTP 2720 S-40A Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
( )
ASTM D 792

RTP 2720 S-40A Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
182 - 232 °C
Mold Temperature
16 - 38 °C
Drying Temperature
79 °C
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