BESIL 8250 High Transparent Optical Grade Two-Component Liquid Silicone Potting Adhesive (Gel)
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Detailed description
Product characteristics
◆ High transparency
◆ Excellent heat resistance
◆ Long-term protection against UV A and UV B
◆ No yellowing
◆Fast curing and rapid demoulding
◆ Extremely accurate molding effect
◆ Lighter than glass
Product Application
Mainly designed for the manufacture of optical device mode
Method of use
The substrate surface should be clean and dry. Heat may be applied to remove moisture from the substrate surface; the substrate surface may be cleaned with naphtha, methyl ethyl ketoxime (MEK), or other suitable solvent. Solvents that dissolve or corrode the substrate should not be used, and residual solvents should not be used.
◆ Keep accurately weighed into a clean glass container and mix well. When mixing with high-speed stirring equipment, the heat generated by high-speed stirring may increase the temperature of the glue, thereby shortening the use time.
The bubble is released under the vacuum of 10mmHg. The bubbles are generally released before the encapsulating material is dispensed.
◆ In most cases, polysiloxane is suitable for long-term work at -45 ℃ to 200 ℃, and can withstand up to 350 ℃ for a short time. In specific use, it is best to test according to actual requirements.
◆ Before curing, the material shall not contact organic compounds containing N\P\S, Sn\Pb\Hg\Bi\As plasma compounds, acetylene \vinyl active compounds, peroxide, moisture and alcohol compounds. When these substances reach a certain concentration, they will hinder the curing of the material, which is manifested in three phenomena: they are completely uncured in a flowing state, and the base surface of the substrate is thin.
Product Parameters

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