Eastman Eastar MN058 Copolyester

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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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Eastman Eastar MN058 Copolyester
Categories:	Polymer; Thermoplastic; Polyester, TP
Material Notes:	Product Description: Meets ISO 10993 and/or USP Class VI biocompatibility requirements. Eastar™ Copolyester MN058 is a medical grade base with brilliantly cl ear polymers that have excellent impact strength, chemical resistance, dimensional stability, and low shrinkage rates. It has a relatively high flex modulus and yield strength. This product has high flow characteristics. It does not contain a mold release or ultraviolet stabilizer. This product has been GREENGUARD INDOOR AIR QUALITY CERTIFIED Applications/Uses: Drug Delivery Labware Medical Key Attributes: Chemical resistance to most medical solvents including lipids and IPA Gamma and E-beam color stability
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Physical Properties	Original Value	Comments

Specific Gravity	1.33 g/cc	ASTM D792
Water Absorption	0.19 %	24h Immersion; ASTM D570
Linear Mold Shrinkage	0.0020 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	111	ASTM D785
Tensile Strength at Break	24.0 MPa	ASTM D638
Tensile Strength, Yield	58.0 MPa	ASTM D638
Elongation at Break	90 %	ASTM D638
Elongation at Yield	4.0 %	ASTM D638
Flexural Yield Strength	78.0 MPa	ASTM D790
Flexural Modulus	2.40 GPa	ASTM D790
Izod Impact, Notched	0.330 J/cm @Temperature -40.0 °C	ASTM D256
	56.0 J/m @Temperature 23.0 °C	ASTM D256
Izod Impact, Unnotched	NB	ASTM D4812
	24.46 J/cm @Temperature -40.0 °C	ASTM D4812
Puncture Energy	32.0 J	Puncture Resistance @Max Load, 23°C; ASTM D3763
	38.0 J @Temperature -40.0 °C	Puncture Resistance at Max Load; ASTM D3763

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	69.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	63.0 °C	ASTM D648
Vicat Softening Point	80.0 °C	1kg load; ASTM D1525

Optical Properties	Original Value	Comments
Haze	<= 1.0 %	ASTM D1003
Transmission, Visible	82 %	Total Transmittance; ASTM D1003

Processing Properties	Original Value	Comments
Melt Temperature	277 - 293 °C
Mold Temperature	16.0 - 32.0 °C
Drying Temperature	160 °C
Dry Time	4 - 6 hour

Compliance Properties	Original Value	Comments
USP Class VI	Yes

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