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Silicone resins

View:196 –Addtime:2011-09-27
Introduction
OES-5005(A)/(B)is a low refractive index silicone encapsulant, composed of OES-5005(A) as basis and OES-5005(B)as curing agent.OES-5005(A) and OES-5005(B)are both composed of silicone resin.OES-5005 (A) / (B) is characterized by cured product with good transparency, excellent mechanical strength, electrical properties, no color change, suitable for white light,  outdoor display and high power LED encapsulation.
Features

 

OES-5005(A)

OES-5005(B)

Appearance

colorless viscous liquid

colorless viscous liquid

Viscosity (25℃)                              

500-1200mpa.s

3500-1200mpa.s

Mixing ratio

100:100

Mixed viscosity (25℃)

1800-1200mpa.s

Mixture refractive index (25℃)

1.42

Hardness

70 (shore A)

Baking curing conditions

120℃/1hr+150℃/2hr

Mixture available time

>4hrs

How to use
1. Please ensure that it is no oil, impurities on the surface of encapsulated or bonded component; it is better to clean the component surface by organic solvents and operate after volatilize all the solvents.
2. Once mix OES-5005(A) and OES-5005(B), they should be used in available time, avoiding the viscosity increased too high.
3. Place the required amount of OES-5005(A) and OES-5005(B) in a clean container, and mix gently to ensure homogeneity, degases in vacuum (Intermittently pumping and venting) before processing.
4. Bake and cure in conditions of 90℃ for 1hour and 150℃ for 2 hour, obtain the transparent resin that has good adhesion with substrates.
Notes
1. A and B parts should be mixed to ensure homogeneity, degassed before processing.
2. Temperature has a significant impact on the operation and curing, it is allow shortening operation time as temperature increased.
3. OES-5005 (A)/(B) should not be mixed with the RTV silicone rubber, and avoid mixing with compounds containing S, P, N, otherwise OES-5005 (A)/ (B) can not be cured.

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