DuPont Mobility and Materials Delrin® 300AT ® BK000 Antistatic, Toughened Acetal

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DuPont Mobility and Materials Delrin® 300AT ® BK000 Antistatic, Toughened Acetal (discontinued **)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Impact Modified
Material Notes:	300AT (formerly DE9497) is a new grade with moderate surface conductivity, designed to aid static dissipation of electric charge. It is toughened for better impact properties. Information provided by DuPont Information provided by DuPont; The Delrin product line was sold by DuPont in 2023 but this specific grade was discontinued prior to the sale
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Physical Properties	Metric	English	Comments

Density	1.41 g/cc	0.0509 lb/in³	ISO 1183
Linear Mold Shrinkage	0.017 cm/cm	0.017 in/in	4mm ISO bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.015 cm/cm	0.015 in/in	4mm ISO bar; ISO 294-4
Melt Flow	3.0 g/10 min	3.0 g/10 min	190°C, 2.16 kg; ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	40.0 MPa	5800 psi	ISO 527-1/-2
Elongation at Break	15 %	15 %	ISO 527-1/-2
Tensile Modulus	2.10 GPa	305 ksi	ISO 527-1/-2
Flexural Modulus	2.00 GPa	290 ksi	ISO 178
Izod Impact, Notched (ISO)	7.00 kJ/m²	3.33 ft-lb/in²	ISO 180/1A
Charpy Impact, Notched	0.800 J/cm²	3.81 ft-lb/in²	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	1e+05	1e+05	IEC 60093
Surface Resistance	1e+05	1e+05	IEC 60093

Thermal Properties	Metric	English	Comments
CTE, linear	142 µm/m-°C @Temperature 23.0 - 55.0 °C	78.9 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	145 µm/m-°C @Temperature 23.0 - 55.0 °C	80.6 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2
Melting Point	178 °C	352 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	135 °C	275 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	70.0 °C	158 °F	ISO 75-1/-2

Processing Properties	Metric	English	Comments
Melt Temperature	200 - 210 °C	392 - 410 °F
Mold Temperature	80.0 - 100 °C	176 - 212 °F
Moisture Content	<= 0.050 %	<= 0.050 %

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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