Dow 2645G - Công ty TNHH Trao Đổi Hoàn Cầu

DOWLEX™ Polyethylene Resin is designed for the production of a wide variety of film applications. Films made from this resin exhibit a combination of good toughness and tear resistance.

General
Material Status	Commercial: Active
Availability	Asia Pacific Europe North America
Additive	Antiblock: No Processing Aid: No Slip: No
Agency Ratings	EU No 10/2011 FDA FCN 741 HPFB (Canada) No Objection
Forms	Pellets
Processing Method	Blown Film

Physical	Nominal Value	Unit	Test Method
Density / Specific Gravity	0.921		ASTM D792
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)	0.90	g/10 min	ASTM D1238

Films	Nominal Value	Unit	Test Method
Film Thickness - Tested	2.0	mil
Film Puncture Resistance (2.0 mil)	201	ft·lb/in³	Internal Method
Secant Modulus			ASTM D882
2% Secant, MD : 2.0 mil	24400	psi	ASTM D882
2% Secant, TD : 2.0 mil	34500	psi	ASTM D882
Tensile Strength			ASTM D882
MD : Yield, 2.0 mil	2060	psi	ASTM D882
TD : Yield, 2.0 mil	2120	psi	ASTM D882
MD : Break, 2.0 mil	7080	psi	ASTM D882
TD : Break, 2.0 mil	5680	psi	ASTM D882
Tensile Elongation			ASTM D882
MD : Break, 2.0 mil	620	%	ASTM D882
TD : Break, 2.0 mil	740	%	ASTM D882
Dart Drop Impact (2.0 mil)	300	g	ASTM D1709A
Elmendorf Tear Strength			ASTM D1922
MD : 2.0 mil	720	g	ASTM D1922
TD : 2.0 mil	1000	g	ASTM D1922

Thermal	Nominal Value	Unit	Test Method
Vicat Softening Temperature	225	°F	ASTM D1525
Melting Temperature (DSC)	248	°F	Internal Method

Optical	Nominal Value	Unit	Test Method
Gloss (45°, 2.00 mil)	63		ASTM D2457
Haze (2.00 mil)	12.0	%	ASTM D1003

Extrusion Notes
Fabrication Conditions For Blown Film: Screw Size: 2.5 in. (63.5 mm) 30:1L/D Screw Type: DSBII Die Gap: 70 mil (1.8 mm) Output: 10 lb/hr/in. of die circumference Die Diameter: 6 in. Blow-Up Ratio: 2.5 : 1