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EpoxAcast® 670 HT
| Category: | Epoxy , Epoxy; Epoxide |
| Manufacturer: | Smooth-On, Inc |
| Trademark: | EpoxAcast® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | d630ds_EpoxAcast-670-HT.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| EpoxAcast® 670 HT (formerly 20-136) is an epoxy casting compound which offers high heat resistance up to350° F/177° C if post cure schedule is used. EpoxAcast® 670 HT features a relatively low viscosity that ensures minimal bubble entrapment. EpoxAcast® 670 HT also offers an extra long working time of 3 hours. Castings cure with negligible shrinkage and are very hard, very strong and heat resistant. EpoxAcast® 670 HT is ideal for making vacuum form molds, foundry patterns, forming dies & fixtures, hard rollers, industrial parts and high impact tools. EpoxAcast® 670 HT is also suitable for encapsulation applications or for use as a high temperature epoxy for bonding a variety of surfaces. |
| General Information | |
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| Features |
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| Uses |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.15 | g/cm³ | ASTM D1475 |
| Specific Volume | 0.741 | cm³/g | ASTM D792 |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Cure Time 1 | 1.0 | day |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 90 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 2290 | MPa | ASTM D638 |
| Tensile Strength (Break) | 31.0 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 0.65 | % | ASTM D638 |
| Flexural Modulus | 1750 | MPa | ASTM D790 |
| Flexural Strength | 75.8 | MPa | ASTM D790 |
| Compressive Modulus | 699 | MPa | ASTM D695 |
| Compressive Strength | 89.6 | MPa | ASTM D695 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed 2 | 177 | °C | |
| 0.45 MPa, Unannealed 3 | 122 | °C |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 100 | ||
| Part B | Mix Ratio by Weight: 16 | ||
| Pot Life | 180 | min | ASTM D2471 |
| Thermoset Mix Viscosity | 6000 | cP | ASTM D2393 |
| Note Message | |
|---|---|
| 1 . | followed by: Heat cure for 2 hrs at 175°F/80°C followed by 3 hrs at 300°F/150°C |
| 2 . | if post cured according to heat curing schedule |
| 3 . | If cured at room temperature |
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