Covestro Bayflex® XGT-15 Polyurethane System, Unfilled

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Covestro Bayflex® XGT-15 Polyurethane System, Unfilled
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Solid RIM
Material Notes:	Characterization: Bayflex XGT-15 is an elastomeric polyurethane system used in the reaction injection molding (RIM) process. Properties / Applications: Bayflex XGT-15 is an elastomeric polyurethane system used in the reaction injection molding (RIM) process. The formulated system is supplied as two liquid components: Component A is a diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. Bayflex XGT-15 system has a flexural modulus of 16,00 psi* at room temperature. It is used in applications requiring long shot times allowing large parts to be made on smaller equipment. The Bayflex XGT-15 system is suitable for use in glass encapsulation applications, or in applications requiring excellent impact properties, such as bus and truck bumpers or equipment housings. As with any product, use of the Bayflex XGT-15 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.04 g/cc	1.04 g/cc	Polyol (Component B)
	1.04 g/cc	1.04 g/cc	ASTM D792
	1.21 g/cc	1.21 g/cc	Isocyanate (Component A)
Viscosity	700 cP	700 cP	Isocyanate (Component A)
	1200 cP	1200 cP	Polyol (Component B)
Linear Mold Shrinkage	0.0080 - 0.0090 cm/cm	0.0080 - 0.0090 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	94	94	ASTM D2240
Hardness, Shore D	45	45	ASTM D2240
Tensile Strength at Break	16.5 MPa	2390 psi	ASTM D412
Elongation at Break	250 %	250 %	ASTM D412
Flexural Modulus	0.110 GPa	16.0 ksi	ASTM D790
Tear Strength	78.9 kN/m	450 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	200 @Load 1.00 kg	200 @Load 2.20 lb	H-18 Wheel; ASTM D3489

Thermal Properties	Metric	English	Comments
CTE, linear	140 µm/m-°C	78.0 µin/in-°F	ASTM D696
Flash Point	114 °C	237 °F	Polyol (Component B)
	213 °C	415 °F	Isocyanate (Component A)

Processing Properties	Metric	English	Comments
Mold Temperature	60.0 - 70.0 °C	140 - 158 °F

Descriptive Properties
Appearance	Colorless to pale yellow liquid		Polyol (Component B)
	Light yellow to yellow liquid		Isocyanate (Component A)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCOVEST0140 / 201923

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