TOAGOSEI ARON ALPHA #901H3 Moisture- and Heat-Resistant Instant Adhesive
ARON ALPHA #901H3 is an industrial cyanoacrylate instant adhesive from TOAGOSEI. Its main component is ethyl 2-cyanoacrylate at a concentration of at least 65%, and the product is supplied as a low-viscosity liquid adhesive. ARON ALPHA adhesives cure rapidly through reaction of the cyanoacrylate monomer with trace moisture in the air or on the surface of the bonded materials. Grade 901H3 belongs to the 900 series and is positioned by TOAGOSEI for good moisture and heat resistance with flexibility, particularly for rubber products. Its low viscosity allows good wetting and penetration into narrow bonding gaps, making it suitable for fast industrial assembly processes.
Product Details
Product Features
Moisture and Heat Resistance: Designed for applications requiring improved resistance to humid and elevated-temperature environments.
Fast Curing: As a cyanoacrylate instant adhesive, it cures rapidly by reacting with trace moisture on the bonded surfaces.
Low Viscosity: Viscosity is listed as approximately 4–14 mPa·s at 25°C, with a representative catalog value of about 7 mPa·s.
Flexible 900-Series Formulation: TOAGOSEI describes the 900 series as offering flexibility together with good moisture and heat resistance.
Industrial Use: The SDS specifies the product for professional/industrial adhesive applications.
Product Applications
Rubber Products: The main manufacturer-listed application for ARON ALPHA #901H3.
Industrial Assembly: Suitable for small parts and assembly processes requiring rapid fixing and bonding.
Narrow-Gap Bonding: Low viscosity supports penetration into closely fitted bonding interfaces.
Moisture- and Heat-Exposed Components: Suitable where improved environmental resistance is required.
The latter applications are practical extensions of the product’s low-viscosity, instant-curing and moisture/heat-resistant characteristics.
| Item | ARON ALPHA #901H3 |
|---|---|
| Product Type | Industrial Instant Adhesive |
| Brand | TOAGOSEI / ARON ALPHA |
| Model | ARON ALPHA #901H3 |
| Japanese Name | アロンアルフア #901H3 |
| Main Component | Ethyl 2-Cyanoacrylate |
| Main Component Content | ≥65% |
| Appearance | Clear Liquid |
| Color | Colorless |
| Viscosity @ 25°C | 4–14 mPa·s |
| Representative Catalog Viscosity @ 25°C | Approx. 7 mPa·s |
| Relative Density @ 20°C | 1.05 |
| Vapor Pressure @ 25°C | 1 Pa |
| Boiling Point | 60°C–62°C at 667 Pa |
| Flash Point | 83°C, Seta Closed Cup |
| Water Solubility | Insoluble |
| Solubility in Organic Solvents | Readily Soluble |
| Key Properties | Fast Cure / Moisture & Heat Resistance / Flexibility / Low Viscosity |
| Main Applications | Rubber Products / Industrial Assembly / Narrow-Gap Bonding |
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