Alcoa KAMA 7120 Calcium Carbonate Filled Homopolymer Polypropylene (PP)

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Alcoa KAMA 7120 Calcium Carbonate Filled Homopolymer Polypropylene (PP) (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	Capabilities Gauge: .015” to .060” (381 to 1524µm) Width: 12” to 55” (305 to 1397mm) Core size: 6” standard, also available in 3” and 8” Roll O.D.: 29” standard, available up to 40” Silicone coated available Custom colors available Properties Excellent stiffness Mineral filled Improved processability Wide range of temperature use Excellent for microwaveable applications FDA compliant Information provided by Alcoa Kama Co.
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Physical Properties	Original Value	Comments

Specific Gravity	1.24 g/cc
Thickness	15.0 - 60.0 mil
Linear Mold Shrinkage	0.012 - 0.014 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	3200 - 3800 psi	ASTM D638
Elongation at Break	50 - 150 %	ASTM D638
Flexural Modulus	230000 - 270000 psi	ASTM D790

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	230 °F
Minimum Service Temperature, Air	-10.0 °F

Optical Properties	Original Value	Comments
Haze	<= 12 %

Processing Properties	Original Value	Comments
Processing Temperature	280 - 360 °F	Thermoforming Temp

Compliance Properties	Original Value	Comments
FDA	Yes

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
Yield, in²/lb/mil	23800

**
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PKAMA33 / 48689

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