Dow INNATE™ ST70 Resin

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Dow INNATE™ ST70 Resin
Categories:	Polymer; Thermoplastic
Material Notes:	Product Description: INNATE ST70 Precision Packaging Resin is designed for excellent balance of stiffness and mechanical performance like tear resistance and dart impact resistance. Availability: Africa & Middle East; Asia Pacific; Europe; Latin America; North America Additive: Antiblock: No; Processing Aid: No; Slip: No Agency Ratings: EU 2011/10/EC; FDA 21 CFR 177.1520 ©3.2a Form: Pellets Information provided by The Dow Chemical Company
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Physical Properties	Original Value	Comments

Density	0.928 g/cc	ASTM D792
Melt Flow	0.85 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Puncture Resistance	13.9 lb (f)
Film Tensile Strength at Yield, MD	1940 psi	ASTM D882
Film Tensile Strength at Yield, TD	2180 psi	ASTM D882
Film Elongation at Break, MD	550 %	ASTM D882
Film Elongation at Break, TD	640 %	ASTM D882
2% Secant Modulus	41600 psi	MD; ASTM D8822
	48600 psi	TD; ASTM D8822
Puncture Energy	32.7 in-lb
Elmendorf Tear Strength MD	450 g	ASTM D1922
Elmendorf Tear Strength TD	930 g	ASTM D1922
Dart Drop Test	880 g	ASTM D1709A
Film Tensile Strength at Break, MD	6310 psi	ASTM D882
Film Tensile Strength at Break, TD	6820 psi	ASTM D882

Thermal Properties	Original Value	Comments
Melting Point	253 °F
Vicat Softening Point	234 °F	ASTM D1525

Optical Properties	Original Value	Comments
Haze	19.5 %	ASTM D1003
Gloss	42 %	45°; ASTM D2457

Processing Properties	Original Value	Comments
Melt Temperature	418 °F
Blow-up Ratio (BUR)	2.5

Descriptive Properties
Film Puncture Resistance	108 ft-lb/in3

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PDOWF548 / 311241

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