Dow Dow™ 722 LDPE

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Dow Dow™ 722 LDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded
Material Notes:	Product Description: DOW LDPE 722 is used in flexible packaging and paperboard coating applications such as liquid/juice, laminate tube, condiment pouches, dry foods packaging, snack foods packaging, moist food packaging, sugar pouches, lidding stock and medical packaging. DOW LDPE extrusion coating resins provide optimal neck-in and draw-down performance with minimal taste/odor contribution. DOW Polyethylene 722 is broad molecular weight distribution homopolymer designed to offer good impact strength and crack resistance, with excellent flexibility. The resin has good processability over a wide range of molding conditions. Typical applications include caps/closures Good impact, ESCR with excellent flexibility Complies with: US FDA 21 CFR 177.1520©2.2; US FDA DMF; EU No 10/2011; Canadian HPFB No Objection (with Limitations). Consult the regulations for complete details. Availability: Asia Pacific; Latin America; North America Additive: Antiblock: No; Processing Aid: No; Slip: No Agency Ratings: DMF; EU No 10/2011; FDA 21 CFR 177.1520©2.2; Canadian HPFB No Objection Form: Pellets Processing Method: Extrusion Blow Molding; Injection Blow Molding Information provided by The Dow Chemical Company
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Physical Properties	Original Value	Comments

Density	0.920 g/cc	ASTM D792
Water Vapor Transmission	1.70 g/100 in²/day	ASTM F1249
ESCR 100% Igepal®	<= 1.0 hour @Temperature 50.0 °C	F50; ASTM D1693
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
Neck In	2.00 in @Temperature 321 °C	1.0 mil
Coating Weight	4.40 lb/ream

Mechanical Properties	Original Value	Comments
Hardness, Shore D	43	Molded and tested in accordance with ASTM D4976; ASTM D2240
Tensile Strength at Break	1400 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Tensile Strength, Yield	1200 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Break	500 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Yield	4.0 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Flexural Modulus	34000 psi	2% Secant, Molded and tested in accordance with ASTM D4976; ASTM D790B
Tensile Impact Strength	130 ft-lb/in²	Type S; ASTM D1822
Coefficient of Friction	0.60	ASTM D1894
Heat Seal Strength Initiation Temperature	221 °F

Thermal Properties	Original Value	Comments
Melting Point	224 °F
Crystallization Temperature	204 °F	Peak
Deflection Temperature at 0.46 MPa (66 psi)	99.0 °F	Unannealed, Molded and tested in accordance with ASTM D4976; ASTM D648
Vicat Softening Point	190 °F	ASTM D1525
Brittleness Temperature	-76.0 °F	Molded and tested in accordance with ASTM D4976; ASTM D746

Processing Properties	Original Value	Comments
Melt Temperature	600 - 630 °F

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