Polypropylene

MATERIAL DATA SHEET The information contained herein is typical and intended for REFERENCE USE ONLY. This information should NOT be used as a basis for design, manufacturing or quality assurance purposes. Please contact us for complete, manufacturer-approved material property data sheets. All values below are at 72°F (23°) unless otherwise noted.

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Polypropylene Specifications

Description

Among the most notable characteristics of Polypropylene are its mechanical toughness, chemical resistance, and resistance to abrasion. These properties make it suitable for various applications. Polypropylene Natural, and Void Free are FDA compliant.

Applications

Tanks/tank covers • Welding cabinetry • Etching rinse tubs • Glove boxes • Cutting board • Fan shrouds and blades

Advantages of Polypropylene

Excellent chemical resistance • Superior dimensional stability • Low moisture absorption • Low density • Formable and weldable • FDA, USDA

Manufacturing Capabilities

Sheet (Comp. Molded): 1/4” to 6” thick • Sheet Sizes: 24”x48”, 30”x60”, 49”x97”, 49”x121”, 61”x121”, 72”x144” • Rod: 3/8” to 4” diameter • Sheet (Fabric Backed): .090” to 3/16” thick • Film: .005” to .029” thick

Color/Grades

Natural Translucent White, White, Black (custom colors available)

Typical Properties of Polypropylene

	Units	ASTM Test	Polypropylene	Polypropylene Void-Free
Mechanical Properties
Compressive Strength	-	D695	6,000	-
Flexural Modulus	psi	D790	120,000	130,000
Flexural Strength	psi	D790	7,000	-
Hardness-Rockwell	-	D785	R95	-
Heat Deflection Temp. @66 psi	°F	D648	210	195
Heat Deflection Temp. @264 psi	°F	D648	130	96
Izod Impact Strength-Notched	ft·lbs/in	D256	0.7	1.2
Tensile Elongation @break	%	D638	600	-
Tensile Modulus	psi	D638	240,000	170,000
Tensile Strength @yield	psi	D638	5,200	4,200
Thermal Properties
Coefficient of Thermal Expansion	in/in/°F	D696	8.1 * 10-5	-
Flammability Rating–UL94	-	-	HB	HB
Continuous Use Temp.	°F	-	180	180
Melt Temp.	°F	D4591	330	297
Thermal Conductivity	(BTU•in)/(hr•ft2•°F)	-	.048 to .098	-
Electrical Properties
Dielectric Constant @1kHz	-	D150	2.3	-
Dielectric Strength	V/mil	D149	600	-
Other Properties
Specific Gravity	-	D792	.91	0.90
Water Absorption @24 hours	%	D570	<0.10	<0.10