1. 1:1 addition type, good adhesive strength and self-healing
2. High elongation, excellent flexibility for mechanical stress relieving
3. Low oil penetration after cured, good anti-poisoning property
4. Good dielectric in high temperature for high voltage protection
5. Excellent aging resistance and weatherability
6. Excellent waterproof, corrosion prevention, moisture proof and chemical media resistance
Used for encapsulation of various modules, semi-conductor, IGBT, automotive ECU module, IC chip, weighing sensor, waterproof connector.
PROPERTY STANDARD/UNITS VALUE of SI2709
---- ---- PART A PART B
Material ---- Polysiloxane Hydrogen polysiloxane
Color Visual inspection Colorless Liquid Colorless Liquid
Viscosity 7;C, cps 800~1000 800~1000
Density 7;C, g/cm3 0.99 0.99
Mixture/mass ratio ---- A:B=100:100
Viscosity of mixture 7;C, cps 800~1000
Operation time 7;C, min 60
Cure condition RTV or HEAT 7;C /6 hour;67;C /30min
Cured appearance ---- Colorless transparent gel
Needle penetration 1/mm 75
Dielectric strength KV/mm 25
Volume resistance DC500V, ohm-cm 1.0¨¢1015
Loss factor 1 MHz88;0.001
Dielectric constant 1 MHz 2.8
Application temperature7;C -60~260
Part Aa10 KG/Bucket, Part Ba10 KG/ Bucket.
Supplier: Silica gel, silica gel plates, column chromatography silica gel, thin layer chromatography silica gel plate
Services: Manufacturing, researching, producing
Buyer: Silica gel, silica gel plates, column chromatography silica gel, thin layer chromatography silica gel plate
Supplier: Silica gel, wood pellets, orange silica gel, silica gel cat litter, blue silica gel, molecular sieve
Supplier: Silicon metal powder, colloidal silica