Eastman DuraStar MN621 Polymer, Natural

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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.

Eastman DuraStar MN621 Polymer, Natural
Categories:	Polymer; Thermoplastic; Polyester, TP; Polycyclohexylenedimethylene Terephthalate (PCT); Glycol-Modified PCT (PCTG) Copolyester
Material Notes:	Product Description: DuraStar™ Polymer MN621 has been tested for FDA/ISO 10993 and USP Class VI Biological Evaluation testing after Gamma and EtO sterilization. It contains a mold release to improve ejection. It has excellent appearance and is nearly water-clear. This resin is the toughest of the Durastar™ family of products. It processes easily and requires minimal drying time. It has superior toughness, high clarity and good chemical resistance. Application/Uses: Blood Contact Drug Delivery IV Components Medical Surgical Instruments Key Attributes: Chemical resistance to most medical solvents including lipids and IPA Ease of processing Gamma and E-beam color stability
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Physical Properties	Metric	English	Comments

Specific Gravity	1.20 g/cc	1.20 g/cc	ASTM D792
Density	1.19 g/cc	0.0430 lb/in³	ISO 1183
Linear Mold Shrinkage	0.0020 - 0.0060 cm/cm @Thickness 3.20 mm	0.0020 - 0.0060 in/in @Thickness 0.126 in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	105	105	ASTM D785
Tensile Strength at Break	49.0 MPa	7110 psi	ISO 527
	53.0 MPa	7690 psi	ASTM D638
Tensile Strength, Yield	46.0 MPa	6670 psi	ASTM D638
	47.0 MPa	6820 psi	ISO 527
Elongation at Break	210 %	210 %	ISO 527
	310 %	310 %	ASTM D638
Elongation at Yield	4.0 %	4.0 %	ISO 527
	5.0 %	5.0 %	ASTM D638
Flexural Strength	64.0 MPa	9280 psi	ISO 178
Flexural Yield Strength	67.0 MPa	9720 psi	ASTM D790
Flexural Modulus	1.75 GPa	254 ksi	ISO 178
	1.90 GPa	276 ksi	ASTM D790
Izod Impact, Notched	0.600 J/cm @Temperature -40.0 °C	1.12 ft-lb/in @Temperature -40.0 °F	ASTM D256
	3.70 J/cm @Temperature 23.0 °C	6.93 ft-lb/in @Temperature 73.4 °F	ASTM D256
Izod Impact, Unnotched	NB	NB	ASTM D4812
	NB @Temperature -40.0 °C	NB @Temperature -40.0 °F	ASTM D4812
Izod Impact, Notched (ISO)	6.30 kJ/m² @Temperature -40.0 °C	3.00 ft-lb/in² @Temperature -40.0 °F	ISO 180
	29.6 kJ/m² @Temperature 23.0 °C	14.1 ft-lb/in² @Temperature 73.4 °F	ISO 180
Puncture Energy	45.0 J	33.2 ft-lb	Puncture Resistance @Max Load, 23°C; ASTM D3763
	71.0 J	52.4 ft-lb	Puncture Resistance @ max load, 23°C; ISO 6603-2
	48.0 J @Temperature -40.0 °C	35.4 ft-lb @Temperature -40.0 °F	Puncture Resistance at Max Load; ASTM D3763
	55.0 J @Temperature -40.0 °C	40.6 ft-lb @Temperature -40.0 °F	Puncture Resistance at Max Load; ISO 6603-2

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	73.0 °C	163 °F	ISO 75
	73.0 °C	163 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	65.0 °C	149 °F	ISO 75
	65.0 °C	149 °F	ASTM D648

Optical Properties	Metric	English	Comments
Haze	0.30 %	0.30 %	ASTM D1003
Transmission, Visible	89 %	89 %	Regular Transmittance; ASTM D1003
	91 %	91 %	Total Transmittance; ASTM D1003

Processing Properties	Metric	English	Comments
Melt Temperature	250 - 290 °C	482 - 554 °F
Mold Temperature	15.0 - 30.0 °C	59.0 - 86.0 °F
Drying Temperature	70.0 °C	158 °F
Dry Time	3 hour	3 hour

Compliance Properties	Metric	English	Comments
USP Class VI	Yes	Yes

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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PE9014 / 35070

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