Blown High Density Film

Conversion Calculator

Available grades: BFI 428 and BFI 9260

Typical Properties of (Blown) BFI 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) 1000 F	g/100 in2/day/1mil	ASTM E96	0.50
Shatter Resitance	0 F		- 20

(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 9260 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

Blown Film Properties: ^{(1) (4)} (Cast Film Properties are not available at this time)

Properties	Units	ASTM#	Typical Value
Tensile Strength @ Yield
Machine Direction (MD)	psi	ASTM D-882,A,20 in./min	4200
Transverse Direction (TD)	psi	ASTM D-882,A,20 in./min	3600
Tensile Elongation @ Break
Machine Direction (MD)	%	ASTM D-882,A,20 in./min	850
Transverse Direction (TD)	%	ASTM D-882,A,20 in./min	500
Secant Modulus
1% Strain (MD/TD)	kpsi	D882,A, 1in/min	140/180
2% Strain (MD/TD)	kpsi	D882,A, 1in/min	110/135
WVTR(3) (4) 1000 F	g/100 in2/day/2 mil	F1249	0.12
Thermal
Melting temperature	0 F		275
Shatter Resistance	0 F		- 20

(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 2.0 mil with a 2.5:1 BUR