Dow Dow™ DGDB-2480 NT HDPE

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Dow Dow™ DGDB-2480 NT HDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE)
Material Notes:	Product Description: Dow HDPE DGDB-2480 NT resin is produced using UNIPOL™ process technology. It is intended for use in pipe applications where long term hydrostatic strength and resistance to slow crack growth are desired. Suitable applications include natural gas distribution pipes, large diameter industrial piping, mining, sewage, and municipal water service lines. Industrial Standards Compliance: ASTM D3350: cell classification Natural – PE3455464A Black – PE345464C (See NOTES A) Plastics Pipe Institute (PPI): TR-4 Natural Pipe – DGDB-2480 NT 3408: ASTM PE3608 Pipe grade – 1600 psi HDB @ 73°F Black Pipe – DGDB-2480 BK 3408 (See NOTES B): ASTM PE3608 Pipe grade – 1600 psi HDB @ 73°F and 800psi HDB @ 140°F National Sanitation Foundation (NSF) Standard 14 and 61 Natural Pipe – DGDB-24800 NT 3608 Black Pipe – DGDB-2480 BK 3608 (see NOTES B) Consult the regulations for complete details. Notes: (A) The first five numbers of the cell classification are based on natural resin. The last number and letter are based on black resin (natural resin plus 6.5% DFNF-0092).(B) Natural resin extruded under proper conditions with carbon black masterbatch DFNF-009 (6.5%) Availability: Asia Pacific; Latin America; North America Additive: Antiblock: No; Processing Aid: No; Slip: No Agency Ratings: ASTM D3350 PE345464A; ASMT D3350 PE345464C; NSF STD-14; NSF STD-61; PPI TR-4 Form: Pellets Processing Method: Profile Extrusion Information provided by The Dow Chemical Company
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Physical Properties	Original Value	Comments

Density	0.946 g/cc	Natural resin; ASTM D792
	0.956 g/cc	Natural resin extruded under proper conditions with carbon black masterbatch DFNF-0092 (6.5%); ASTM D792
Melt Flow	0.10 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
	8.3 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
PENT	200 hour @Temperature 80.0 °C	Slow Crack Growth; ASTM F1473
Tensile Strength, Yield	3200 psi	ASTM D638
Elongation at Break	850 %	ASTM D638
Flexural Modulus	120000 psi	2.4 MPa, Method I (3 point load); ASTM D790B
Izod Impact, Notched	4.00 ft-lb/in	ASTM D256A

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -148 °F	ASTM D746

Processing Properties	Original Value	Comments
Melt Temperature	380 - 440 °F

Descriptive Properties
Thermal Stability	>482°F	ASTM D3350

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