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Techsil® PU20940
| Category: | PUR, Unspecified , Polyurethane |
| Manufacturer: | Techsil Limited |
| Trademark: | Techsil® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | nTCVB0_TechsilPU20940.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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PU20940 is a high performance, low viscosity polyurethane resin system offering excellent insulation characteristics and water-resistant properties. PU20940 has been developed for the potting of delicate electronic components requiring electrical insulation and environmental protection. The material cures at room temperature offering a long work life to give a soft flexible product. The standard colour is natural but other colours are available on request subject to volume. Features:
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| General Information | |
|---|---|
| Features |
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| Uses |
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| RoHS Compliance |
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| Appearance |
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| Forms |
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| Processing Method |
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| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| CLTE - Flow | 7.5E-5 - 1.3E-4 | cm/cm/°C | |
| Thermal Conductivity | 0.30 | W/m/K |
| Electrical | Nominal Value | Unit | |
|---|---|---|---|
| Surface Resistivity | 1.4E+15 - 1.6E+15 | ohms |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Operating Temperature | -55 - 125 | °C |
| Uncured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Color | |||
| -- 1 | Brown | ||
| -- 2 | Natural Color | ||
| Mix Ratio by Weight (PBW) | |||
| Resin | 3.2 | ||
| Hardener | 1.0 | ||
| Density | |||
| -- 3 | 0.990 | g/cm³ | |
| -- 4 | 1.00 | g/cm³ | |
| -- 5 | 1.02 | g/cm³ | |
| Viscosity | |||
| 25°C 6 | 0.10 - 0.15 | Pa·s | |
| 25°C 7 | 0.45 | Pa·s | |
| 25°C 8 | 0.50 - 0.70 | Pa·s | |
| Curing Time | 24 | hr | |
| Gel Time | 1.4E+3 | min | |
| Pot Life | 720 | min |
| Cured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Water Absorption | |||
| 23°C 9 | 0.60 | % | |
| 100°C 10 | 1.4 | % | |
| Shore Hardness (Shore A) | 40 | ||
| Tensile Strength | 10.0 | MPa | |
| Tensile Elongation at Break | 320 | % | |
| Compression Strength | < 10.0 | MPa | |
| Electric strength | 25 | kV/mm | |
| Volume Resistivity | 1.2E+16 - 1.4E+16 | ohms·cm |
| Note Message | |
|---|---|
| 1 . | Hardener |
| 2 . | Resin |
| 3 . | Mixed |
| 4 . | Resin |
| 5 . | Hardener |
| 6 . | Hardener |
| 7 . | Mixed |
| 8 . | Resin |
| 9 . | 7 days |
| 10 . | 30 minutes |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| SILVER® SA-1304 | Guangdong Silver Age Sci & Tech. Co., Ltd | SBS | SILVER® |
| Cosmic DAP K43/6260 | Cosmic Plastics, Inc. | DAP | Cosmic DAP |
| EPIMIX POM GFR 10 NC | EPSAN Plastik SAN. ve TiC. A.S. | Acetal (POM) Copolymer | EPIMIX |
| Iupilon® EGN2020DF | Mitsubishi Engineering-Plastics Corp | PC | Iupilon® |
| LUVOCOM® 1301-8291 | Lehmann & Voss & Co. | PPS | LUVOCOM® |
