A. Schulman Premi-Glas® 3101-20 Polyester BMC

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A. Schulman Premi-Glas® 3101-20 Polyester BMC
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	Premi-Glas® 3101-20 a 20% glass reinforced thermoset Bulk Molding Compound designed for electrical and flame retardant applications. Key features and benefits are: Underwriters Laboratories, UL 94-5VA flame recognition at 2.6mm minimum thickness; and UL 94V-0 recognition at 1.6 mm minimum thickness; using halogen free technology. Available in fiberglass content from 10-25%: standard product has 20% reinforcement. Excellent dimensional stability, dielectric strength, and arc and track resistance. Outstanding moldability and flow in Compression, Injection, and Transfer molding processes. UL recognized in all colors. Standard color is black. Data provided by Premix. A. Schulman has acquired this former Premix product line.
Key Words:	Bulk Molding Compound
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Physical Properties	Original Value	Comments

Specific Gravity	1.80 - 1.95 g/cc
Linear Mold Shrinkage	0.0015 - 0.0030 cm/cm	Polymerization Shrinkage

Mechanical Properties	Original Value	Comments
Tensile Strength	33.0 MPa	ASTM D638
Tensile Modulus	13.0 GPa	ASTM D638
Flexural Strength	110 MPa	ASTM D790
Flexural Modulus	10.3 GPa	ASTM D790
Poissons Ratio	0.30
Shear Modulus	5.00 GPa	Calculated
Izod Impact, Notched	425 J/m	ASTM D256
Izod Impact, Unnotched	5.30 J/cm	ASTM D4812

Electrical Properties	Original Value	Comments
Dielectric Strength	18.0 kV/mm	ASTM D149
Arc Resistance	210 sec	ASTM D495

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
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	ASTM D792
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	V-0 @Thickness 1.60 mm
	5VB @Thickness 2.60 mm

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

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