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Begr 290 293 295 silicon oil base transparent silicone grease lubrication

  1. Excellent dielectric property
  2. Excellent water and oxidative resistant performance
  3. Operating temperaturerange (-55°C to 200°C)
  4. Adhere well tometal, ceramic, rubber and other isolation materials
  5. Excellent corona resistance
  6. Non-poisonous and low volatile

Features

Begr 290 293 295 is an efficient silicone oil base, transparent silicone grease lubrication, specially used in dielectric isolation, surface protection, demolding and lubricating, etc. applications.

Data Sheet

Item Unit 290 293 295
Color White, translucent White, translucent White, translucent
Penetration unworked, 1/mm 200 195±10 310
Penetration worked 60, max, 1/mm 210Max 210 Max 340Max
Bleed, 30hours/200°C,max % 0.20Max 0.2% Max 0.05Max
Evaporation, 30 hours/ 200°C, max % 0.95Max 0.95% Max 1.15Max
Service temperature range¹ °C -55 to +200 -55 to +200 -55 to +200
Relative density at 25°C g/cm3 1.0 1.0 1.0
Dielectric strength, 1.27mm gap kV/mm 18 18 18
Permittivity at 100Hz 2.90 2.90 2.90
Permittivity at 1000kHz 2.90 2.90 2.92
Dissipation factor at 100Hz 0.002 0.002 0.002
Dissipation factor at 1000kHz hm.cm <0.002 <0.002 <0.002
Volume resistivity at 23°C o hm.cm 0.2 x 10¹5 0.2 x 10¹5 0.2 x 10¹5
Arc resistance seconds 120 120 120

Application

  1. Isolation protection
  2. Water and moisture proof(Ignition systems, insulated switch, transformers, power equipment, cables, etc.)
  3. As agingretarder for plastic and rubber
  4. As surface protective agent for metals (Ignition system, TV anode cap, battery terminals, cables and connectors, etc.)
  5. Good adhesionof machine and seal ring
  6. Sealing and crack pouring in electronics

How to use

USE

Apply with grease gun, daubing or using brush. Can be used through spraying or soaking when the concentration is 10%

TDS Download

  • [auth-download url=”https://beginor-chemical.com/wp-content/uploads/2019/03/TDS-of-BEGR-290-Lubricant-Sealant.pdf” title=”TDS Download Begr 290″]
  • [auth-download url=”https://beginor-chemical.com/wp-content/uploads/2019/03/TDS-of-BEGR-293-Lubricant-Sealant.pdf” title=”TDS Download Begr 293″]
  • [auth-download url=”https://beginor-chemical.com/wp-content/uploads/2019/03/TDS-of-BEGR-295-Lubricant-Sealant.pdf” title=”TDS Download Begr 295″]

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