REFOX RA21 SupBond is a professional structural adhesive designed for mobile phone repairs. It offers high bond strength and controlled flexibility to help absorb shocks and vibrations. It is suitable for bonding displays, rear glass and other structural components of devices. Volume: 30 ml.

REFOX RA21 SupBond is a structural adhesive developed for professional mobile phone servicing. It is designed to create strong, long-lasting bonds during device repairs, particularly when bonding display assemblies and rear glass.

The adhesive combines high adhesion with controlled flexibility. The flexible layer helps absorb shocks and vibrations arising during everyday use while reducing stress on bonded components. This makes it suitable for repairs requiring a strong, precise and durable bond.

Key features

• High bond strength – securely holds bonded components in place

• Flexibility – helps absorb shocks, vibrations and thermal expansion

• Wide range of uses – suitable for bonding mobile phone displays and rear glass

• Stable bond – designed for long-term durability during everyday use

• Professional use – intended for service workshops and electronics repairs

Applications

• Bonding display assemblies on Android devices

• Bonding mobile phone rear glass

• Structural bonding of midframes

Technical specifications

• Brand: REFOX

• Model: RA21

• Product: SupBond Structural Adhesive

• Type: Structural adhesive

• Colour: Clear

• Volume: 30 ml

• Viscosity before curing: 70,000–100,000 mPa·s

• Temperature range: −40 to 120 °C

• Shelf life: 6 months

• Certification / documentation stated by the manufacturer: RoHS, MSDS

• Product dimensions: 120 × Ø 40 mm

• Net weight: 60 g

• Gross weight: 85 g

Instructions for use and storage

• Before application, ensure that the surfaces to be bonded are clean and dry.

• We recommend testing on a small area before use on a larger surface.

• Close the cap tightly after use to limit the adhesive's contact with air.

• Store in a refrigerator after opening.

• Manufacturer's recommended storage temperature: 2–8 °C.