HDPE Film Properties

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HDPE Film Properties

Typical Properties of BFI HL 428 HDPE Film

Resin Properties

Properties	Units	ASTM#	Typical Value
Density	g/cm3	ASTM D-792	0.947
Melt Flow Index	1900C/2.16kg	ASTM D-1238	0.28
	1900C/21.6kg	ASTM D-1238	20.00
Melting Point	0F	ASTM D-3417	259

Blown Film Properties (1) (2)

Properties	Units	ASTM#	Typical Value
Dart Impact	g	ASTM D-1709	100
Elmendorf Tear
Machine Direction (MD)	g	ASTM D-1922	28
Transverse Direction (TD)	g	ASTM D-1922	530
Tensile Strength @ Yield
Machine Direction (MD)	psi	ASTM D-882,A,2in./min	3500
Transverse Direction (TD)	psi	ASTM D-882,A,2in./min	3700
Tensile Strength @ Break
Machine Direction (MD)	psi	ASTM D-882,A,2in./min	7900
Transverse Direction (TD)	psi	ASTM D-882,A,2in./min	5700
Elongation @ Break
Machine Direction (MD)	%	ASTM D-882,A,2in./min	600
Transverse Direction (TD)	%	ASTM D-882,A,2in./min	700
WVTR ( 3) 1000F	g/100 in2/day	ASTM E96	0.5

(1) Data developed under laboratory conditions and are not to be used as specification, maxima or minima.
(2) Film was produced at 1.0 mil with a 4:1 BUR.
(3) Water Vapor Transmission Rate

Typical Properties of Blown BFI 6420 HDPE Film

Properties	Units	ASTM#	Typical Value<
Density	g/cm3	ASTM D-792	0.962
Melt Flow Index	1900C/2.16kg	ASTM D-1238	2.0
	1900C/21.6kg	ASTM D-1238	55.00

Blown Film Properties (1) (4)
(Cast Film Properties are not available at this time)

Properties	Units	ASTM#	Typical Value
Dart Impact	g	ASTM D-1709	100
Elmendorf Tear
Machine Direction (MD)	g	ASTM D-1922	24
Transverse Direction (TD)	g	ASTM D-1922	385
Tensile Strength @ Yield
Machine Direction (MD)	psi	ASTM D-882,A,2in./min	3800
Transverse Direction (TD)	psi	ASTM D-882,A,2in./min	4000
Tensile Strength @ Break
Machine Direction (MD)	psi	ASTM D-882,A,2in./min	7500
Transverse Direction (TD)	psi	ASTM D-882,A,2in./min	3400
Elongation @ Break
Machine Direction (MD)	%	ASTM D-882,A,2in./min	700
Transverse Direction (TD)	%	ASTM D-882,A,2in./min	700
Secant Modulus	kpsi	D882,A, 1in/min
1% Strain (MD/TD)			125/128
2% Strain (MD/TD)			100/102
WVTR (3) 1000F	g/100 in2/day	F1249	0.25

(1) Data developed under laboratory conditions and are not to be used as specification, maxima or minima.

(3) Water Vapor Transmission Rate.

(4) Film was produced at 1.0 mil with a 2.5:1 BUR at 6:1 FLH/D ratio.