Alcoa KAMA 7220 PP-Homopolymer-Filled

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Alcoa KAMA 7220 PP-Homopolymer-Filled (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	Capabilities Gauge: .012” to .060” Width: 22” to 65” Core Size: 6” standard cores, also available in 3” and 8” Roll O.D.: 29” standard, available up to 50” FDA grade available Silicone coated Corona treatment available Print grade available Black standard Properties Excellent stiffness Mineral filled Added toughness Information provided by Alcoa Kama Co.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc
Thickness	305 - 1520 microns	12.0 - 60.0 mil
Linear Mold Shrinkage	0.012 cm/cm	0.012 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	22.1 - 26.2 MPa	3200 - 3800 psi	ASTM D638
Elongation at Break	30 - 50 %	30 - 50 %	ASTM D638
Flexural Modulus	1.59 - 1.86 GPa	230 - 270 ksi	ASTM D790

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	110 °C	230 °F
Minimum Service Temperature, Air	-28.9 °C	-20.0 °F

Processing Properties	Metric	English	Comments
Processing Temperature	138 - 182 °C	280 - 360 °F	Thermoforming Temp

Descriptive Properties
Resistance to Acid	Good to Excellent
Resistance to Alcohols	Good to Excellent
Resistance to Alkalis	Good
Resistance to Fat, Grease, and Oil	Good to Excellent
Resistance to Hydrocarbon Solvents	Good
Resistance to Strong Oxidizers	Fair to Good

**
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