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SikaPower-4720 - Epoxy Structural Adhesive - Sika
SikaPower-4720 is a high-strength, two-component epoxy adhesive with excellent adhesion properties to a wide range of substrates.
PS: Modification of packaging, now available in 220 ml for use with a 2:1 manual pistol.
SIK 739474
7612895853192
SikaPower-4720 - Epoxy Structural Adhesive - Sika
SikaPower-4720 is a high strength two-component epoxy adhesive with excellent adhesion properties on a wide range of substrates.
It is specifically formulated for bonding metals and composite panels.
The glass beads present in the glue ensure a uniform and optimal minimum thickness of 0.25 mm.
It crosslinks at room temperature to form a rigid bond.
Features
- High resistance
- Good adhesion to a wide variety of substrates without primer
- Long open time
- Fast curing
- Don't spin, don't sink
- Can be welded (not cured)
- Designed to achieve optimum bond thickness
- Accelerated cross-linking under the action of heat
- Low odor
- Excellent corrosion protection
- Solvent free
- Black
Application areas
- SikaPower-4720 is suitable for bonding panels in areas subject to high dynamic stresses such as side panels, door panels or roof plates.
- SikaPower-4720 is not suitable for bonding structural parts such as uprights, sills and cross members supporting the engine.
- The supports generally encountered for this type of bonding are metals, particularly aluminum (including anodized and rolled), cold rolled steel but also GRP panels.
- Metals joined using SikaPower-4720 (still fresh) can be welded.
Application
- SikaPower-4720 is applied in uTAH 2 in 1 cartridges by means of a suitable piston gun.
- For homogeneous mixing of the components, a quadro mixer MGQ 10-19D 8.7 24 GT is required.
- At low temperatures (10°C), the cartridge must be heated before application in order to increase the extrusion speed.
- Prior to application, extrude the material without a mixer until both components emerge evenly to correct uneven filling.
- Then mount the mixer and extrude the first centimeters of glue bead which will be eliminated.
- To ensure complete wetting of the adhesive on the substrates, and therefore also to prevent corrosion, apply and spread the adhesive in a thin layer over the entire sanded surface of both substrates.
- Apply a bead of adhesive 5 mm from the edge to prevent the material from flowing (except at the welding points).
- Assemble the supports and first install the fixing brackets towards the corners.
- Then, if necessary, fasten with rivets or spot welding, or install fixing brackets every 10 cm.
- Single-sided application reduces open time and ultimate strength by up to 50% and may decrease the corrosion protection effect.
- SikaPower-4720 can be applied at temperatures between 10°C and 30°C.
- The product, supports and necessary equipment must be exposed to the same temperature ranges.
Conditioning :
Packaging change, now available in 220ml for use with a 2:1 manual gun .
Old reference: SIK 458296
SIK 739474
9 Items
Data sheet
- Signal word
- DANGER
WARNING - Hazard statements
- H314 – Causes severe skin burns and eye damage.
H315 – Causes skin irritation.
H317 – May cause an allergic skin reaction.
H319 – Causes serious eye irritation.
H411 – Toxic to aquatic life with long lasting effects. - Hazard pictogram
-
GHS05 - CorrosiveGHS07 - HarmfulGHS09 - Environmental hazard
Specific References
- EAN13
- 7612895853192
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