Cyclics CBT® 200 Thermoplastic Resin

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Cyclics CBT® 200 Thermoplastic Resin (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	CBT® 200 resin melts to a water-like viscosity when heated, then polymerizes into the engineering thermoplastic resin polybutylene terephthalate (PBT). CBT 200 resin has a processing range between 170-240°C and is available in both one and two-part systems. CBT 200 resin is formulated for various casting, low pressure molding, coating, and composite applications where the lower melt temperature allows for longer working time than CBT 100 resin before polymerizing into PBT. Information provided by Cyclics Corporation.
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Physical Properties	Original Value	Comments

Specific Gravity	1.31 g/cc	ASTM D792
Density	1.14 g/cc	Liquid (Unpolymerized resin)
Viscosity	11 cP @Temperature 220 °C	Melt (Unpolymerized resin); Cone and plate 10 1/s shear rate
	13 cP @Temperature 210 °C	Melt (Unpolymerized resin); Cone and plate 10 1/s shear rate
	17 cP @Temperature 200 °C	Melt (Unpolymerized resin); Cone and plate 10 1/s shear rate
	22 cP @Temperature 190 °C	Melt (Unpolymerized resin); Cone and plate 10 1/s shear rate
	28 cP @Temperature 180 °C	Melt (Unpolymerized resin); Cone and plate 10 1/s shear rate
	37 cP @Temperature 170 °C	Melt (Unpolymerized resin); Cone and plate 10 1/s shear rate
Linear Mold Shrinkage	0.015 cm/cm @Thickness 4.00 mm	ASTM D955

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	54.0 MPa	ISO 527
Elongation at Break	>= 50 %	5 mm/min; ISO 527
Elongation at Yield	3.2 %	ISO 527
Tensile Modulus	2.70 GPa	ISO 527
Flexural Strength	74.0 MPa	ISO 178
Flexural Modulus	2.38 GPa	ISO 178
Izod Impact, Notched (ISO)	6.70 kJ/m²	ISO 180/A
Izod Impact, Unnotched (ISO)	NB	ISO 180/U

Thermal Properties	Original Value	Comments
Heat of Fusion	64.0 J/g	Unpolymerized resin; ASTM E793
Specific Heat Capacity	1.25 J/g-°C	Solid (Unpolymerized resin); ASTM E1269
	1.96 J/g-°C @Temperature 180 °C	Liquid (Unpolymerized resin); ASTM E1269
Melting Point	165 °C	Unpolymerized resin
	225 °C	ASTM D3418
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Processing Temperature	170 - 240 °C

**
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PCYCLIC01 / 29134

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