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Plastics & Elastomers
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Plastics & Elastomers
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Riteflex® 677 RF-NAT NATURAL

Technical Datasheet | Supplied by Celanese
Riteflex® 677 RF-NAT NATURAL is a natural colored thermoplastic copolyester elastomer with high modulus. Enables high mechanical strength, flexibility & durability at low temperatures, chemical resistance as well as retention of properties. It offers superior electrical properties and is tough, resilient, easy & economical to process. Exhibits excellent resistance to aging, creep, impact, tear and flex fatigue as well as provides high melting point. It advances weathering resistance and provides softness, no blooming, no color change, UV stabilization & long-term thermal stability. Has wear resistance, excellent surface gloss and good paintability. Is suitable for processing by injection molding and extrusion of profiles, cables, films & fibers. Used in hose & tubing, seals, gaskets, belts, energy absorbing devices, fasteners, film as well as sheet, monofilament, automotive interior parts (dashboards), exterior seating to trampolines, molded chair arms and electrical/electronic connectors. Complies with RoHS, PFOS and PFOA.
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Product Type
Polyester TPE > TPEE
Appearance
Natural
Product Status
COMMERCIAL

Riteflex® 677 RF-NAT NATURAL Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Flexural Modulus
650 MPa
(23°C)
ISO 178
Flexural Strength
30 MPa
(23°C)
ISO 178
Impact Strength, Notched Charpy
9.4 kJ/m²
(23°C)
ISO 179/1eA 2

Riteflex® 677 RF-NAT NATURAL Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
20 - 55 °C
Manifold Temperature
235 - 260 °C
Processing (Melt) Temp
235 - 260 °C
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