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Epoxies, Ect. 40-3900
| Category: | Epoxy , Epoxy; Epoxide |
| Manufacturer: | Epoxies, Etc. |
| Trademark: | Epoxies, Ect. |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | Mx8kBM_Epoxies-Ect-40-3900.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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40-3900 is a two component epoxy adhesive filled with silver. This electrically conductive epoxy resin formulation offers continuity of conductivity with an electrical resistivity value of less than 1x10^-4 ohm-cm. 40-3900 is also well known for its wide operating temperature range, -50 to + 170°C. 40-3900 is specifically designed for adhesive bonding in microelectronic and optoelectronic applications. Due to its excellent continuity, it has also been used extensively in applications such as micro-wave EMI and RFI shielding, in the assembly or repair of printed circuit boards, wave guides, electronic modules, flat cable, high frequency shields, connectors, circuitry, and as a cold solder. 40-3900 is formulated with pure silver (no alloys) and is designed in a convenient 1:1 mix ratio. Both the resin and hardener have silver powder dispersed. Features:
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| General Information | |
|---|---|
| Filler / Reinforcement |
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| Features |
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| Uses |
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| Appearance |
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| Mechanical | Nominal Value | Unit | |
|---|---|---|---|
| Flexural Strength | 70.3 | MPa |
| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| Thermal Conductivity | 7.9 | W/m/K |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Operating Temperature | -50.0 to 170 | °C |
| Uncured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Color | Silver | ||
| Mix Ratio by Weight (PBW) | |||
| Part A | 1.0 | ||
| Part B | 1.0 | ||
| Density | |||
| 25°C 1 | 1.80 | g/cm³ | |
| 25°C 2 | 2.97 | g/cm³ | |
| Curing Time | |||
| 90°C | 0.25 | hr | |
| 65°C | 1.0 | hr | |
| 25°C | 24 | hr | |
| Pot Life 3(25°C) | 60 | min | |
| Shelf Life | 12 | month |
| Cured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Shore Hardness (Shore D) | 70 | ||
| Lap Shear Strength 4 | 4.83 | MPa | |
| Volume Resistivity | 1.0E-4 | ohms·cm |
| Note Message | |
|---|---|
| 1 . | Part B |
| 2 . | Part A |
| 3 . | 100 grams |
| 4 . | Al to Al |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| NEFTEKHIM PP 1425J (T28C) | Nizhnekamskneftekhim Inc. | PP Homopolymer | NEFTEKHIM PP |
| Niretan B SV30 | Soredi S.p.a. | Nylon 6 | Niretan B |
| ACRYLITE® Film 0F072 | Evonik Cyro LLC | Film, PMMA | ACRYLITE® Film |
| Shida 2520A | JINJIANG City SHIDA Plastic Fine Co., Ltd. | TPE | Shida |
| LNP™ LUBRICOMP™ WFP36 compound | SABIC Innovative Plastics | PBT | LNP™ LUBRICOMP™ |
