CoorsTek Epoxy Seal 923 (ES-923) B-staged epoxy lids

Category	Polymer , Thermoset , Epoxy
Manufacturer	CoorsTek
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	CoorsTek Epoxy Seal 923 (ES-923) B-staged epoxy lids.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

ES-923 is designed for applications requiring a rapid epoxy cure cycle (10 minutes at 160° C). This accelerated seal cycle results in only a modest reduction in moisture resistance and seal strength from the ES-216 epoxy.

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	90	90
Shear Strength	17.9 MPa	2600 psi	Lap Shear; ASTM D1002

Thermal Properties	Metric	English	Comments
CTE, linear	50.0 µm/m-°C	27.8 µin/in-°F	MIL STD 883D
Thermal Conductivity	0.500 W/m-K	3.47 BTU-in/hr-ft²-°F	MIL STD 883D
Maximum Service Temperature, Air	180 °C	356 °F	Continuous
	220 °C	428 °F	Intermittent

Processing Properties	Metric	English	Comments
Cure Time	10.00 min @Temperature 160 °C	0.1667 hour @Temperature 320 °F

Descriptive Properties	Value	Comments
Color	Yellow
Gross Leak	Pass
Moisture Resistance	Pass, 144 hrs. @ 121° C & 100% RH
	Pass, 200 hrs. @ 85° C & 85% RH
Temperature Cycling	Pass	MIL STD 883D
Thermal Shock Resistance (°C)	Pass	MIL STD 883D

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