BX-OSA-701 Silicone adhesive

DOCUMENTS

BX-OSA-701 is a high-performance Silicone Adhesive for Mica Tape composed of polysiloxane rubber and resin in a toluene solution. It delivers exceptional heat resistance, softness, and electrical insulation, making it the preferred choice for manufacturing fire-resistant mica tapes and high-stability pressure-sensitive tapes.

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Ⅰ. Product Features

Targeted Performance: As a specialized Silicone Adhesive for Mica Tape, BX-OSA-701 offers a unique blend of high temperature resistance and low smoke properties, ensuring no carbonization and maintaining excellent stability under extreme thermal conditions.
Superior Insulation & Protection: Provides outstanding electrical insulation and moisture resistance, effectively protecting sensitive components in high-humidity environments.
Flexible Processing: The adhesive maintains its softness after application, making it suitable for bonding various flexible substrates like fire-resistant tapes and pressure-sensitive tapes.
Enhanced Cohesion: When used with curing agents, it significantly improves the cohesive strength and adhesion properties of the finished product.

Ⅱ. Product Details

Item	Index
Appearance	Colorless or light yellow transparent liquid, opalescent light is allowed, no mechanical impurity
Viscosity(25℃), cp	10000-80000 [1]
Solid content (150℃, 2h), %	60±2
Density(25℃), g/cm³	1.0±0.02
Note: [1] Viscosity can be customized according to customer requirements; the above data are for reference only and are not guaranteed technical specifications.

Ⅲ. Primary Applications

Mica Tape Production: Specifically designed for bonding fire-resistant mica tapes used in electrical insulation.
Tape Manufacturing: Ideal for the production of various pressure-sensitive tapes using traditional coating equipment.
Industrial Insulation: Suitable for components requiring high-temperature resistance and stable electrical performance.

Ⅳ. Packaging and Storage

This product is packed in clear and dry 200KG or 1000L steel drum and sealed. Stored at room temperature (0~ 35℃). The effective storage period is 6 months.(Overdue the storage, if the product meet the standard, it can still be used.) Avoid direct sunlight. Be storied and transported as dangerous goods.

Ⅴ. Instructions

Curing Process: This two-component product can be cured with peroxide BPO or specialized curing agents (1.5 ~ 2.5% dosage).
Dilution & Mixing: Can be further diluted with toluene or xylene to an advisable working concentration of 18~20%. Ensure the curing agent is completely dissolved before mixing.
Coating & Filtration: Use a 180 mesh filter screen before coating to prevent mechanical impurities.
Vulcanization: Recommended surface curing at $80\text{-}90^{\circ}C$ for 2 minutes to eliminate solvents, followed by $150\text{-}170^{\circ}C$ for 5 minutes for full solidification.