LyondellBasell Premi-Glas® 1200H-20 Polyester SMC

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LyondellBasell Premi-Glas® 1200H-20 Polyester SMC
Categories:	Polymer; Thermoset; Composite SMC; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	Premi-Glas® 1200H-20 is a 20% fiberglass reinforced, thermoset, Sheet Molding Compound designed for applications where good arc resistance and dielectric strength are required and UL 94HB flame recognition properties is sufficient. Key features and benefits are: Underwriters Laboratory UL 94HB flame recognition at 1.47mm minimum wall thickness. U.L flame recognized in all colors. Excellent flexural strength and flexural modulus properties. Designed for compression molding in matched metal molds. Available in fiberglass content of 10-30%. The Premi-Glas 1200-H series carries U.L 746 C recognition for use in exterior applications following ultraviolet light, water emersion and exposure testing. Data provided by Premix. This LyondellBasell product line was formerly a product of Premix and of A. Schulman.
Key Words:	Sheet Molding Compound
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Physical Properties	Original Value	Comments

Specific Gravity	1.70 - 1.85 g/cc
	1.70 - 1.85 g/cc
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	Polymerization Shrinkage
	0.00150 - 0.00250 cm/cm

Mechanical Properties	Original Value	Comments
Tensile Strength	50.0 MPa	ASTM D638
	50.0 MPa
Tensile Modulus	12.0 GPa	ASTM D638
	12.0 GPa
Flexural Strength	125 MPa	ASTM D790
	125 MPa
Flexural Modulus	10.0 GPa	ASTM D790
	10.0 GPa
Compressive Strength	165 MPa	ASTM D695
	165 MPa
Poissons Ratio	0.30
Shear Modulus	4.60 GPa	Calculated
Izod Impact, Notched	550 J/m	ASTM D256
Izod Impact, Unnotched	8.00 J/cm	ASTM D4812
	800 J/m
Izod Impact, Notched (ISO)	550 kJ/m²

Electrical Properties	Original Value	Comments
Dielectric Strength	15.0 kV/mm	ASTM D149
	15.0 kV/mm
Arc Resistance	180 sec	ASTM D495
	>= 180 sec

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	35.0 µm/m-°C	Z Direction
CTE, linear, Transverse to Flow	25.0 µm/m-°C	XY Direction
Thermal Conductivity	0.300 W/m-K
	0.300 W/m-K
Maximum Service Temperature, Air	130 °C	RTI
UL RTI, Electrical	130 °C	UL 746C
UL RTI, Mechanical with Impact	130 °C	UL 746C
UL RTI, Mechanical without Impact	130 °C	UL 746C
Flammability, UL94	HB @Thickness 1.50 mm
	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	150 °C	Compression Molding
Clamp Pressure	500 - 1000 psi	Molding Pressure

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PPREMIX10 / 58174

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