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Master Bond EP42HT-2Med Epoxy Meets USP Class VI Requirements

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer Master Bond Inc.
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Master Bond EP42HT-2Med Epoxy Meets USP Class VI Requirements.pdf
Price EMAIL US    sales@lookpolymers.com
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Material Notes:
Description: Master Bond Polymer System EP42HT-2Med is a room temperature curable two component epoxy, adhesive, sealant, coating and casting material featuring high temperature resistance along with outstanding chemical resistance. It is widely used in medical devices because of its capability of withstanding repeated sterilizations, including radiation, ethylene oxide, chemical sterilants and especially autoclaving. In addition, it fully complies with the testing requirements of USP Class VI plastics. EP42HT-2Med is a superior adhesive, sealant and coating and can also be used for potting and encapsulating up to 2-3 inches thick. EP42HT-2Med cures readily at ambient temperatures or more quickly at elevated temperatures. To optimize properties and ensure biocompatibility, a desirable cure schedule is overnight at room temperature followed by 2-4 hours at 150-200°F. It has an easy to use 100 to 40 mix ratio by weight or 100 to 50 by volume. In addition to withstanding various types of sterilizations, it resists acids, bases, solvents and fuels. EP42HT-2Med has excellent electrical insulation properties. Especially noteworthy is its serviceability from -60°F up to 450°F. EP42HT-2Med is widely used in the medical industry for manufacturing and repairing endoscopes, surgical instruments, catheters and many other medical devices. Additionally, EP42HT-2Med is available in black as a USP Class VI system.Product Advantages:Convenient 100 to 40 mix ratio by weight or 100 to 50 by volumeCan be used as adhesive, sealing, coating, potting or encapsulation compoundWithstands multiple cycles of medical sterilizationOutstanding resistance to radiation, EtO, chemicals and steamExcellent chemical resistance to acids, bases and many solventsAvailable in amber-clear and black as a USP Class VI systemContains no solventsKey Features and Benefits:USP Class VI approvedHigh temperature resistantSterilization resistantCures at room temperature or elevated temperaturesServiceable from -60°F to 450°FCastable to thicknesses exceeding 2-3 inchesInformation provided by MasterBond®
Physical Properties Metric English Comments
Viscosity 30 - 70 cP

@Temperature 23.9 °C
30 - 70 cP

@Temperature 75.0 °F
Part B
1000 - 1800 cP

@Temperature 52.2 °C
1000 - 1800 cP

@Temperature 126 °F
Part A
55000 - 110000 cP

@Temperature 23.9 °C
55000 - 110000 cP

@Temperature 75.0 °F
Part A
Mechanical Properties Metric English Comments
Hardness, Shore D >= 75
>= 75
Tensile Strength at Break >= 82.7 MPa
>= 12000 psi
Elongation at Break <= 5.0 %
<= 5.0 %
Tensile Modulus 2.41 - 2.76 GPa
350 - 400 ksi
Shear Strength >= 13.8 MPa
>= 2000 psi
Tensile lap, Al to Al
Thermal Properties Metric English Comments
CTE, linear 35.0 - 40.0 µm/m-°C
19.4 - 22.2 µin/in-°F
Maximum Service Temperature, Air 232 °C
450 °F
Minimum Service Temperature, Air -51.1 °C
-60.0 °F
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+14 ohm-cm
>= 1.00e+14 ohm-cm
Dielectric Constant 3.8

@Frequency 60.0 Hz,
Temperature 25.0 °C
3.8

@Frequency 60.0 Hz,
Temperature 77.0 °F
Processing Properties Metric English Comments
Cure Time 120 - 180 min

@Temperature 93.3 °C
2.00 - 3.00 hour

@Temperature 200 °F
2880 - 4320 min

@Temperature 23.9 °C
48.0 - 72.0 hour

@Temperature 75.0 °F
Pot Life 45 - 75 min
45 - 75 min
100 gram batch
Shelf Life 6.00 Month

@Temperature 23.9 °C
6.00 Month

@Temperature 75.0 °F
in original unopened container
Descriptive Properties Value Comments
Mixing Ratio (A to B) 100:40
by weight
100:50
by volume
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