DOW™ LDPE 748I Datasheet,LDPE,The Dow Chemical Company-SHANGHAI SUSHENG

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A low density polyethylene for stretching/cling film applications Complies with U.S. FDA 21 CFR 177.1520 (c) 2.1 Complies with Canadian HPFB No Objection (With Limitations) Consult the regulations for complete details

General Information
Agency Ratings	FDA 21 CFR 177.1520(c) 2.1 HPFB (Canada) No Objection 2
Forms	Particle
Processing Method	Blow film

Physical	Nominal Value	Unit	Test Method
Specific Gravity	0.921	g/cm³	ASTM D792
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)	7.0	g/10 min	ASTM D1238

Films	Nominal Value	Unit	Test Method
Film Thickness - Tested	25	µm
Film Puncture Resistance (25 µm)	2.65	J/cm³	Internal method
Film strength			ASTM D882
MD : 25 µm	183	J/cm³	ASTM D882
TD : 25 µm	156	J/cm³	ASTM D882
Tensile Strength			ASTM D882
MD : Yield, 25 µm	10.6	MPa	ASTM D882
TD : Yield, 25 µm	9.99	MPa	ASTM D882
MD : Break, 25 µm	27.1	MPa	ASTM D882
TD : Break, 25 µm	17.5	MPa	ASTM D882
Tensile Elongation			ASTM D882
MD : Break, 25 µm	510	%	ASTM D882
TD : Break, 25 µm	640	%	ASTM D882
Dart Drop Impact (25 µm)	43	g	ASTM D1709A
Elmendorf Tear Strength			ASTM D1922
MD : 25 µm	190	g	ASTM D1922
TD : 25 µm	260	g	ASTM D1922

Thermal	Nominal Value	Unit	Test Method
Vicat Softening Temperature	88.9	°C	ASTM D1525
Melting Temperature (DSC)	110	°C	Internal method

Optical	Nominal Value	Unit	Test Method
Gloss (45°, 25.4 µm)	92		ASTM D2457
Haze (25.4 µm)	1.1	%	ASTM D1003

Extrusion instructions
Fabrication Conditions For Cast Film: Screw A: Size: 2.0 in. (51 mm); 30:1 L/D Melt Temperature: 498°F (259°C) Screw Speed: 47 rpm Screw B: Size: 2.5 in. (63.5 mm); 30:1 L/D Melt Temperature: 500°F (260°C) Screw Speed: 31 rpm Screw C: Size: 2.5 in. (63.5 mm); 30:1 L/D Melt Temperature: 499°F (260°C) Screw Speed: 33 rpm Screw D: Size: 2.5 in. (63.5 mm); 30:1 L/D Melt Temperature: 500°F (260°C) Screw Speed: 33 rpm Screw E: Size: 2.0 in. (51 mm); 30:1 L/D Melt Temperature: 498°F (259°C) Screw Speed: 37 rpm Screw Type: DSB II Die Gap: 25 mil (0.025 mm) Chill Roll Temperature: 70 °F (21 °C) Melt Temperature: 500 °F (260 °C) Output: 345 lb/hr Line Speed: 400 fpm (122 m/min)

Extrusion instructions

Fabrication Conditions For Cast Film: Screw A: Size: 2.0 in. (51 mm); 30:1 L/D Melt Temperature: 498°F (259°C) Screw Speed: 47 rpm Screw B: Size: 2.5 in. (63.5 mm); 30:1 L/D Melt Temperature: 500°F (260°C) Screw Speed: 31 rpm Screw C: Size: 2.5 in. (63.5 mm); 30:1 L/D Melt Temperature: 499°F (260°C) Screw Speed: 33 rpm Screw D: Size: 2.5 in. (63.5 mm); 30:1 L/D Melt Temperature: 500°F (260°C) Screw Speed: 33 rpm Screw E: Size: 2.0 in. (51 mm); 30:1 L/D Melt Temperature: 498°F (259°C) Screw Speed: 37 rpm Screw Type: DSB II Die Gap: 25 mil (0.025 mm) Chill Roll Temperature: 70 °F (21 °C) Melt Temperature: 500 °F (260 °C) Output: 345 lb/hr Line Speed: 400 fpm (122 m/min)

Category:	LDPE , Low Density Polyethylene Resin
Manufacturer:	The Dow Chemical Company
Trademark:	DOW™ LDPE
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	eCUV4s_DOW-LDPE-748I.pdf
PRICE:	Order Products email sales@su-jiao.com

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