Material Comparison

Product Info

Product Name

Brand Name

Usages

Properties

Certificates

MVLDPE 4404G STYRON US

DOWLEX™

film,Mainly used for packaging

optical performance ,High toughness and optica,Certified by Canadian HPF

Plastic Datasheets

Basic Performance	Test Condition	Test Method	STYRON US/4404G
density		ASTM D792	0.904 g/cm³
melt mass-flow rate		ASTM D1238	4 g/10min

thermal performance	Test Method	STYRON US/4404G
Melting temperature	Internal Method	124 °C
Vicat softening temperature	ASTM D-1525	71 °C
Vicat softening temperature		ASTM D1525	71.1 °C

film	Test Condition	Test Method	STYRON US/4404G
Carbon dioxide transmittance	23°C,50.8μm	Internal Method	2000 cm³·mm/m²/atm/24hr
Dart impact	20μm	ASTM D1709B	>850 g
Dart impact		51μm	ASTM D1709B	>850 g
Elmendorf tear strength	MD:20μm	ASTM D1922	330 g
		TD:20μm	ASTM D1922	500 g
		MD:51μm	ASTM D1922	960 g
		TD:51μm	ASTM D1922	1100 g
elongation	MD:Break,51μm	ASTM D882	660 %
		TD:Break,51μm	ASTM D882	710 %
		MD:Break,20μm	ASTM D882	500 %
		TD:Break,20μm	ASTM D882	710 %
Oxygen permeability	23°C,51μm	ASTM D3985	450 cm³·mm/m²/atm/24hr
Secant modulus	2%Secant,TD:51μm	ASTM D882	63.0 Mpa
		2%Secant,MD:20μm	ASTM D882	58.8 Mpa
		2%Secant,TD:20μm	ASTM D882	64.7 Mpa
		2%Secant,MD:51μm	ASTM D882	62.6 Mpa
tensile strength	TD:Break,20μm	ASTM D882	29.1 Mpa
		MD:Break,20μm	ASTM D882	36.9 Mpa
		MD:Yield,20μm	ASTM D882	7.00 Mpa
		TD:Yield,51μm	ASTM D882	6.34 Mpa
		TD:Break,51μm	ASTM D882	32.4 Mpa
		MD:Break,51μm	ASTM D882	32.6 Mpa
		MD:Yield,51μm	ASTM D882	6.76 Mpa
		TD:Yield,20μm	ASTM D882	4.92 Mpa
Thin film puncture strength	51μm	Internal Method	17.5 J/cm³
Thin film puncture strength		20μm	Internal Method	18.9 J/cm³
Water vapor permeability	51μm	ASTMF1249	0.85 g·mm/m²/atm/24hr

mechanical properties	Test Condition	Test Method	STYRON US/4404G
Elongation at Break	MD	ASTM D-882	664 %
Elongation at Break		TD	ASTM D-882	714 %
Puncture intensity		陶氏企业测试	17 J/cm³
Tensile modulus	MD，3% Secant	ASTM D-882	63 Mpa
Tensile modulus		TD，2% Secant	ASTM D-882	63 Mpa
tensile strength	TD，Break	ASTM D-882	32 Mpa
		MD，Break	ASTM D-882	33 Mpa
		Yield,TD	ASTM D-882	5 Mpa
		Yield,MD	ASTM D-882	7 Mpa

Physical properties	Test Condition	Test Method	STYRON US/4404G
melt mass-flow rate	190°C/2.16kg	ASTM D1238	4.0 g/10min

optical performance	Test Condition	Test Method	STYRON US/4404G
gloss	45°,20.3μm	ASTM D2457	92
		45°,50.8μm	ASTM D2457	90
		45°	ASTM D-2457	90
transparency	50.8μm	ASTM D1746	99.0
			ASTM D-1746	99
		20.3μm	ASTM D1746	99.0
turbidity		ASTM D-1003	1.8 %
		20.3μm	ASTM D1003	0.60 %
		50.8μm	ASTM D1003	1.8 %

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