Covestro Bayblend® M850 XF PC/ABS Blend

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USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

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Covestro Bayblend® M850 XF PC/ABS Blend
Categories:	Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	(PC+ABS)-Blend; easy flowing; Vicat/B 120 temperature = 131 °C; meet certain requirements of ISO Standard 10993-1 As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Original Value	Comments

Density	1.14 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.20 %	ISO 62, 50% RH
Water Absorption at Saturation	0.70 %	ISO 62
Viscosity	210000 cP @Shear Rate 1000 1/s, Temperature 260 °C	melt viscosity; b.o. ISO 11443-A
Linear Mold Shrinkage, Flow	0.0055 - 0.0075 cm/cm @Thickness 3.00 mm	150x105x3mm; b.o. ISO 2577
Linear Mold Shrinkage, Transverse	0.0055 - 0.0075 cm/cm @Thickness 3.00 mm	150x105x3mm; b.o. ISO 2577
Melt Flow	27.36 g/10 min @Load 5.00 kg, Temperature 260 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	53.0 MPa	50 mm/min; ISO 527-1,-2
Tensile Strength, Yield	62.0 MPa	50 mm/min; ISO 527-1,-2
Elongation at Break	>= 50 %	50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield	4.9 %	50 mm/min; ISO 527-1,-2
Tensile Modulus	2500 MPa	1 mm/min; ISO 527-1,-2
Izod Impact, Notched (ISO)	15.0 kJ/m² @Temperature -30.0 °C	ISO 180-A
	48.0 kJ/m² @Temperature 23.0 °C	ISO 180-A
Izod Impact, Unnotched (ISO)	NB @Temperature 23.0 °C	ISO 180-U

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+17 ohm-cm	IEC 60093
Surface Resistance	1.00e+17 ohm	IEC 60093
Dielectric Constant	2.9 @Frequency 100 Hz	IEC 60250
	2.9 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	35.0 kV/mm @Thickness 1.00 mm	IEC 60243-1
Dissipation Factor	0.0030 @Frequency 100 Hz	IEC 60250
	0.0090 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	250 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
CTE, linear, Transverse to Flow	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
Deflection Temperature at 0.46 MPa (66 psi)	127 °C	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	109 °C	ISO 75-1,-2
Vicat Softening Point	129 °C @Load 5.10 kg	50°C/h; ISO 306
	131 °C @Load 5.10 kg	120°C/h; ISO 306
Flammability, UL94	HB @Thickness 0.850 mm

Processing Properties	Original Value	Comments
Melt Temperature	260 °C	Injection molding; ISO 294
Mold Temperature	80.0 °C	Injection molding; ISO 294
Injection Velocity	240 mm/sec	ISO 294

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PB09683 / 150815

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