Dow Engage® 8540 Polyolefin Elastomer

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Dow Engage® 8540 Polyolefin Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes:	Description: Engage® 8540 polyolefin elastomer is an ethyleneoctene copolymer that is well suited to foamed applications and offers excellent performance for profile extrusion of tubing and hoses. It has good clarity, toughness, and flexibility. Engage® 8540 also has excellent compatibility with other polyolefins, allowing for efficient blending and coextrusion. The product form is free-flowing pellets. Information provided by manufacturer.
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Physical Properties	Original Value	Comments

Density	0.908 g/cc	ASTM D792
Melt Index of Compound	1.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	96	ASTM D2240
Hardness, Shore D	49	ASTM D2240
Tensile Strength, Ultimate	28.9 MPa	508 mm/min; ASTM D638
Tensile Strength, Yield	8.30 MPa	508 mm/min; ASTM D638
Elongation at Break	710 %	508 mm/min; ASTM D638
2% Secant Modulus	0.104 GPa	ASTM D790

Thermal Properties	Original Value	Comments
Melting Point	103 °C	DSC, 10°C/min; DuPont Test

Descriptive Properties
Comonomer Content	17 wt%	Dow Method (¹³C NMR/FTIR)

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PDVE45 / 34106

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