Dow Dow™ DNDA-1796 NT7 MDPE

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Dow Dow™ DNDA-1796 NT7 MDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Medium Density (MDPE)
Material Notes:	Product Description: Dow DNDA-1796 NT7 medium density polyethylene resin is produced via UNIPOL™ Process Technology. It also has utility in certain sheet applications and blow molding applications such as small, squeezable bottles. It exhibits high melt strength, excellent low temperature toughness, good stress cracking resistance, and outstanding flex life. It has a high molecular weight and a relatively broad molecular weight distribution that proves and excellent balance of performance properties and processability. Main Characteristics: High melt strength Excellent low temperature toughness Good environmental stress crack resistance Excellent flex life Complies with: ASTM D 3350: cell classification PE224340A; US FDA 21 CFR 177.1520©3.1a; Canadian HPFB No Objection (with limitations). Consult the regulations for complete details. Availability: North America Additive: Antiblock: No; Processing Aid: No; Slip: No Agency Ratings: ASTM D 3350 PE224340A; US FDA 21 CFR 177.1520©3.2a; Canadian HPFB No Objection Form: Pellets Processing Method: Blown Film; Profile Extrusion Information provided by The Dow Chemical Company
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Physical Properties	Original Value	Comments

Density	0.941 g/cc	ASTM D792
ESCR 100% Igepal®	>= 2000 hour	F0; ASTM D1693C
	>= 1500 hour @Temperature 50.0 °C	F50; ASTM D1693
Melt Flow	0.60 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
	40 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	56	Compression molded parts prepared according to ASTM D1928 Procedure C; ASTM D2240
	61	Plaque molded and tested in accordance with ASTM D4976; ASTM D2240
Tensile Strength at Break	3000 psi	Compression molded parts prepared according to ASTM D1928 Procedure C; ASTM D638
	3100 psi	Plaque molded and tested in accordance with ASTM D4976; ASTM D638
Tensile Strength, Yield	2750 psi	Compression molded parts prepared according to ASTM D1928 Procedure C; ASTM D638
	2900 psi	Plaque molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Break	700 %	Plaque molded and tested in accordance with ASTM D4976; ASTM D638
	>= 800 %	Compression molded parts prepared according to ASTM D1928 Procedure C; ASTM D638
Elongation at Yield	4.0 %	Plaque molded and tested in accordance with ASTM D4976; ASTM D638
Flexural Modulus	87000 psi	2% Secant, Plaque molded and tested in accordance with ASTM D4976; ASTM D790B
	95000 psi	Method I (3 point load) Compression molded parts prepared according to ASTM D1928 Procedure C; ASTM D790B
Tensile Impact Strength	110 ft-lb/in²	Plaque molded and tested in accordance with ASTM D4976, Type S; ASTM D1822

Thermal Properties	Original Value	Comments
Melting Point	259 °F
Crystallization Temperature	239 °F	Peak
Deflection Temperature at 0.46 MPa (66 psi)	131 °F	Unannealed; ASTM D648
Vicat Softening Point	248 °F	ASTM D1525
Brittleness Temperature	<= -139 °F	Compression molded parts prepared according to ASTM D1928 Procedure C; ASTM D746
	<= -105 °F	Plaque molded and tested in accordance with ASTM D4976; ASTM D746

Processing Properties	Original Value	Comments
Melt Temperature	400 - 440 °F	Extrusion

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