Dow Continuum™ DGDA-2420 YL2 Bimodal Polyethylene

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Dow Continuum™ DGDA-2420 YL2 Bimodal Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	Product Description: Continuum™ DGDA-2420 YL2 Bimodal Polyethylene Resin is produced using Unipol™ II process technology. This product is formulated with UV stabilizers for outdoor storage. This product may be utilized for pipe applications where long-term hydrostatic strength combined with outstanding resistance to slow crack growth and rapid crack propagation is desired. Suitable applications include natural gas distribution pipes. Industrial Standards Compliance: ASTM D 3350: cell classification: Natural – PE277370D Yellow – PE277373E (Note A) NSF International: Standard 14 Canadian Standards Association (CSA): B137.4 – PE2708 PLUS Plastics Pipe Institute (PPI): ASTM PE 2708 pipe grade – 1250 psi HDB at 73°F, 800 psi HDS at 73°F, and 1000 psi HDB at 140°F NOTES: (A) The first 5 numbers of the cell classification are based on natural resin. The last number and letter are based on yellow resin. (natural resin plus 2.0% DFDA 0022 YL2) Availability: Asia Pacific; Latin America; North America Additive: Antiblock: No; Processing Aid: Yes; Slip: No Agency Ratings: ASTM PE2708; ISO PE 100 Form: Pellets Processing Method: Profile Extrusion Information provided by The Dow Chemical Company
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Physical Properties	Original Value	Comments

Density	0.940 g/cc	Base Resin; ASTM D1505
	0.941 g/cc	Yellow; ASTM D1505
Melt Flow	>= 0.25 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
	9.5 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	>= 260 psi	ASTM D638
Elongation at Break	>= 600 %	ASTM D638
Flexural Modulus	>= 90000 psi	2% Break; ASTM D790B

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -103 °F	ASTM D746A

Descriptive Properties
Resistance to Rapid Crack Propagation	<28°F	Tc - S-4 @ 5 bar
	>145 psi	Pc, S-4: 32°F
	>3000 hr	Notched Pipe Test: 176°F
	>560 psi	Pc, Calculated, Full Scale: 32°F
	15000 hr	PENT
Thermal Stability	>428°F	ASTM D3350

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PDOWF410 / 311103

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