| 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 EP37-3FLSP Optically Clear Epoxy Has Low Exotherm.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Water Absorption | <= 1.0 % | <= 1.0 % | 24 hour immersion | 
| Viscosity | 400 - 500 cP | 400 - 500 cP | mixed | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Shore D | 20 | 20 | |
| Tensile Strength at Break | >= 6.89 MPa | >= 1000 psi | |
| Elongation at Break | >= 200 % | >= 200 % | |
| Shear Strength | >= 3.45 MPa | >= 500 psi | Bond, Al to Al | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Maximum Service Temperature, Air | 93.3 °C | 200 °F | |
| Minimum Service Temperature, Air | -168 °C | -270 °F | 
| Optical Properties | Metric | English | Comments | 
|---|---|---|---|
| Transmission, Visible | 90 % | 90 % | clear; thickness not quantified | 
| Electrical Properties | Metric | English | Comments | 
|---|---|---|---|
| Volume Resistivity | 1.00e+14 ohm-cm | 1.00e+14 ohm-cm | |
| Dielectric Constant | 4.6 @Frequency 100 Hz, Temperature 25.0 °C | 4.6 @Frequency 100 Hz, Temperature 77.0 °F | |
| Dielectric Strength | >=           15.7           kV/mm @Thickness 3.17 mm | >=           400           kV/in @Thickness 0.125 in | 
| Processing Properties | Metric | English | Comments | 
|---|---|---|---|
| Cure Time | 1440 - 4320           min @Temperature 23.9 °C | 24.0 - 72.0           hour @Temperature 75.0 °F | |
| Pot Life | >= 720 min | >= 720 min | 100 gram batch | 
| Shelf Life | 12.0           Month @Temperature 23.9 °C | 12.0           Month @Temperature 75.0 °F | in original unopened container | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Mixing Ratio (A to B) | 2:1 | by weight or volume |