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Master Bond EP21TDC-4 Two Component, Highly Flexible Epoxy System
| Category | Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive |
| Manufacturer | Master Bond Inc. |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Master Bond EP21TDC-4 Two Component, Highly Flexible Epoxy System.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Master Bond Polymer System EP21TDC-4 is a two component, flexible epoxy resin system for high performance bonding, sealing and coating. It is formulated to cure at ambient temperatures or more quickly at elevated temperatures, with a one to four mix ratio by weight. The cured system has a peel strength greater than 30 pli and an elongation of over 200%. EP21TDC-4 bonds well to a wide variety of metals, plastics and especially rubbers.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Water Absorption | <= 1.0 % | <= 1.0 % | tap water submersion @25°C for 14 days |
| Viscosity | 9000 - 14000 cP | 9000 - 14000 cP | Part A |
| 225000 - 350000 cP | 225000 - 350000 cP | Part B |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 30 | 30 | after curing for 24 hrs at 25°C and 5 hours at 65°C |
| Tensile Strength | >= 20.7 MPa | >= 3000 psi | |
| Elongation at Break | >= 200 % | >= 200 % | |
| Shear Strength | >= 6.89 MPa | >= 1000 psi | Al to Al |
| Peel Strength | >= 5.26 kN/m | >= 30.0 pli |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 110 - 130 µm/m-°C | 61.1 - 72.2 µin/in-°F | |
| Maximum Service Temperature, Air | 121 °C | 250 °F | |
| Minimum Service Temperature, Air | -73.3 °C | -100 °F |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+13 ohm-cm | >= 1.00e+13 ohm-cm |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Cure Time | 180 - 240 min @Temperature 65.6 °C |
3.00 - 4.00 hour @Temperature 150 °F |
|
| 240 - 300 min @Temperature 23.9 °C |
4.00 - 5.00 hour @Temperature 75.0 °F |
||
| Pot Life | >= 90 min | >= 90 min | 100 gram mass |
| Shelf Life | 12.0 Month @Temperature 23.9 °C |
12.0 Month @Temperature 75.0 °F |
in original unopened containers |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Mixing Ratio (A to B) | 1:4 |
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