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Master Bond adhesives

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Celanese Crastin® HR5315HFS BK591 PBT-IGF15
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Material Notes: 15% Glass Reinforced, Hydrolysis Resistant, Laser Markable Polybutylene Terephthalate with Improved Processing

Former DuPont product acquired by Celanese in 2022.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.38 g/ccISO 1183
Melt Density 1.14 g/cc
@Temperature 250 °C
Water Absorption 0.40 %
@Thickness 2.00 mm		Sim. to ISO 62
Moisture Absorption 0.150 %
@Thickness 2.00 mm		Sim. to ISO 62
Viscosity 175000 cP
@Shear Rate 1000 1/s,
Temperature 280 °C		Melt; ISO 11443
Viscosity Measurement 0.90Intrinsic viscosity; ISO 307, 1157, 1628
Viscosity Number 110 cm³/gISO 307, 1157, 1628
Linear Mold Shrinkage, Flow 0.0050 cm/cmISO 294-4, 2577
Linear Mold Shrinkage, Transverse 0.011 cm/cmISO 294-4, 2577
Melt Flow 13 g/10 min
@Load 2.16 kg,
Temperature 250 °C		cm³/10min Volumetric; ISO 1133
 18 g/10 min
@Load 2.16 kg,
Temperature 250 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 95.0 MPaISO 527-1/-2
Elongation at Break 3.3 %ISO 527-1/-2
Tensile Modulus 5000 MPaISO 527-1/-2
Flexural Strength 143 MPaISO 178
Poissons Ratio 0.35
Charpy Impact Unnotched 57.0 kJ/m²
@Temperature 23.0 °C		ISO 179/1eU
Charpy Impact, Notched 6.00 kJ/m²
@Temperature -30.0 °C		ISO 179/1eA
 11.0 kJ/m²
@Temperature 23.0 °C		ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cmIEC 62631-3-1
Surface Resistance 3.00e+13 ohmIEC 62631-3-2
Dielectric Strength 35.0 kV/mmIEC 60243-1
Dissipation Factor 0.010
@Frequency 1e+6 Hz		IEC 62631-2-1
 0.010
@Frequency 100 Hz		IEC 62631-2-1
Comparative Tracking Index 575 VPTI = 550V; IEC 60112
 
Thermal PropertiesOriginal ValueComments
Melting Point 225 °C10°C/min; ISO 11357-1/-3
Maximum Service Temperature, Air 152 °CTemperature index, Tensile strength 20,000h; IEC 60216-1
 186 °CTemperature index, Tensile strength 5000h; IEC 60216-1
Deflection Temperature at 0.46 MPa (66 psi) 220 °CISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 200 °CISO 75-1/-2
Glass Transition Temp, Tg 65.0 °C10°C/min; ISO 11357-1/-2
Flammability, UL94 HB
@Thickness 1.50 mm		IEC 60695-11-10
Flame Spread 32.0 mm/min
@Thickness 1.00 mm		ISO 3795 (FMVSS 302)
Oxygen Index 20 %ISO 4589-1/-2
Glow Wire Ignition Temperature 775 °C
@Thickness 0.750 mm		IEC 60695-2-13
 775 °C
@Thickness 1.50 mm		IEC 60695-2-13
 800 °C
@Thickness 3.00 mm		IEC 60695-2-13
 800 °C
@Thickness 1.00 mm		IEC 60695-2-13
 
Processing PropertiesOriginal ValueComments
Melt Temperature 250 °COptimum, Injection
 240 - 260 °CRange, Injection
Mold Temperature 80.0 °COptimum, Injection
 30.0 - 130 °CInjection
Ejection Temperature 170 °CInjection
Drying Temperature 120 °CInjection
Dry Time 2.00 - 4.00 hourInjection, Dehumidified Dryer
Moisture Content <= 0.040 %Injection
Hold Pressure >= 60.0 MPaInjection
 
Descriptive Properties
AdditivesRelease agent
Back pressureAs low as possible
Drying RecommendedyesInjection
FMVSS ClassBISO 3795 (FMVSS 302)
Part Marking Code>PBT-IGF15<ISO 11469
PolymerPBT-I-GF15
Processing Hold Pressure Time (s/mm)3Injection
Resin IdentificationPBT-IGF15ISO 1043
Weather stability delta a-0.2DIN 53236
Weather stability delta b-2.2DIN 53236
Weather stability delta E6DIN 53236
Weather stability delta l-5.5DIN 53236
Weather stability grey scale2 to 3ISO 105-A02

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 go back to viewing the property data in MatWeb's normal format.

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