Place of Origin:
China
Brand Name:
Wenyou
Certification:
19001；14001；SGS
Model Number:
9516F
Production details:
| Epoxy resin | LE-8516 | 100 pbw | Formulation |
| Hardener | LH-8516 | 100 pbw | |
| Filler | Silica Flour | 300-350 pbw | |
| Color paste | LC series * | 3 pbw |
| LE-8516 is a modified saturated epoxy resin system. | LH-8516 is a modified weather-resistant acid anhydride hardener. | |||||
| Properties | Unit | Value | Properties | Unit | Value | |
| Appearance | Visual | Transparent, light yellow, viscous liquid | Appearance | Visual | Transparent, light yellow liquid | |
| Epoxy value | Eq/kg | 4.5-5.0 | Viscosity at 25°C | mPa.s | 200-500 | |
| Viscosity at 25°C | mPa.s | 500-1000 | Density at 25°C | g/cm3 | 1.17-1.24 | |
| Density at 25°C | g/cm3 | 1.16-1.20 | Vapour Pressure at 25°C | Pa | About 0.5 | |
| Vapour Pressure at 25°C | Pa | ﹤0.01 | Flash point | °C | About 140 | |
| Flash point | °C | About 135 | ||||
| Processing parameters | Automatic pressure gelation | Vacuum casting |
| Epoxy / hardener mixture temperature | 40°C /1-2 hours | 50-60°C /1-1.5hours |
| Feeding process | Pressure (0.5-5bar) | Vacuum (casting pot) |
| Mold temperature | 130-150°C | 105°C / 4-6 hours |
| Gelation time | 10-30mins | 80°C/4 hrs+100°C/2hrs+120°C/2hrs. |
| Post cure | 130-140°C×6-10 hrs | 130-140°C×6-10 hrs. |
| Properties | Value | Properties | Value | ||
| Glass transition temperature Tg (DSC) | 60-80°C | Thermal conductivity | 0.8-0.9W / mk | ||
| Tensile strength | 60-80N / mm2 | Thermal decomposition | ＞320°C | ||
| Flexural strength | 100-130N / mm2 |
Water absorption (23°C×10days) |
0.10-0.20 % by wt. | ||
| Compressive strength | 140-190N / mm2 | Water absorption (100°C×60 mins) | 0.08-0.15 % by wt. | ||
| Impact strength | 8-16kJ / m2 | Surface resistivity | 1014Ω | ||
| Curing shrinkage | 0.8-1.0% | Volume resistivity | 1015Ω.cm | ||
| Flammability (4mm) | HB Class | Dielectric strength | 20-30kV / mm | ||
| Loss factor | 0.02 |
Storage:
The components have to be stored in tightly sealed and dry original containers in an environment at 6~35°C;. Under these conditions, the shelf life will correspond to the expiration date stated on the label ( normally 12 months). After this date, the product may be reanalyzed to confirm if it validates yet. Partial emptied containers should be closed tightly immediately after use.
Packaging:
Company profile:
Shanghai Wenyou Industry Co., Ltd. is a professional epoxy resin company located in Shanghai, China, established in 2008. Specializing in the manufacturing, R&D, and sales of epoxy resin, curing agents, and related products.
Our wide range of products includes epoxy resin, flame retardant resin, curing agents, outdoor modifiers, toughening agents, epoxy paste, demoulding agents, and fillers.
We have obtained ISO9001, ISO14001, SGS, and UL certifications, and our products comply with ROHS and REACH safety regulations.
Our high-quality products are used in high voltage electrical insulation applications and are exported globally. We are committed to providing stable products and excellent service to the global electricity industry.
Applications:
Electrical Insulation: Epoxy electrical resins exhibit excellent electrical insulation properties, effectively preventing current leakage and short circuits. Therefore, they are widely used in the manufacture of electrical equipment and components such as insulators, transformers, cable insulation layers, and printed circuit boards. They provide reliable electrical insulation, protecting electronic devices from electric shocks and electrical failures.
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