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Master Bond adhesives

HT Materials KH2120 Polybutylene Terephthalate
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded

Material Notes: High viscosity flow for extrusion and injection molding.

PBT exhibits almost instantaneous crystallization from the melt, enabling PBT and PBT based compounds, to be molded with short cycles in cooler tooling. The immediate high crystallinity also contributes to reduced post molding shrinkage, thereby enhancing dimensional stability.

Information supplied by HT Materials Corporation.

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Physical PropertiesMetricEnglishComments
Moisture Absorption 0.200 %0.200 %
Viscosity Number 120 cm³/g1.20 dl/g
Melt Flow 11.0 g/10 min
@Load 2.16 kg,
Temperature 250 °C
11.0 g/10 min
@Load 4.76 lb,
Temperature 482 °F
Ash <= 300 %<= 300 %
 
Mechanical PropertiesMetricEnglishComments
Elongation at Break >= 200 %>= 200 %
 
Thermal PropertiesMetricEnglishComments
Glass Transition Temp, Tg 60.0 °C140 °F
 
Processing PropertiesMetricEnglishComments
Melt Temperature 437 °C819 °F
 
Descriptive Properties
Color (B)3
Color (L)> 90

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.

PHTMAT901 / 326106

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