SikaPower® -4720 is a two-component, high-strength epoxy adhesive with excellent adhesion properties. It is suitable for panel bonding with exposure to high dynamic stress areas.

Register for the Up and Coming SikaPower®-4720 Webinar

SikaTack Panel system for panels and cladding

SikaPower®-4720 Car Panel Bonding System

19/08/2022, 10:00 AM 
Time zone: (UTC+02:00) Harare, Pretoria

Microsoft Teams meeting

To find out more, make sure you join our webinar.

Speaker: Jose Alvarez - Technical Manager, TM Industry, South Africa

SikaPower®-4720 Benefits and Product Details

Excellent adhesion to a wide variety of substrates without primer

Robust secure adhesion with minimal substrate preparation and therefore faster application.

Superior application properties

Easy, quick and clean product application. No running or dripping. 

Long open time with fast cure at 23 °C / accelerated curing heat

High flexibility during working process and fast handover to car owner.

Controlled bond line thickness by 0.25 mm glass beads

Over clamp protection and therefore secure joining and fixation.

Conforms to OEM standards
OEM Approved

Recovers vehicle's original condition in regards to quality, safety and driving comfort.

Packaging: 195 ml cartridge  
Chemical base:  2-component  
Colour:  Black  

Application Areas of SikaPower®-4720

Application areas of high-strength car panel bonding adhesive

SikaPower®-4720 is a structural adhesive that can be spot-welded through when wet.
It is specifically designed for meal and composite panel bonding such as: 

  • Door skins
  • Rear body panels
  • Roof skins
  • Quarter panels

SikaPower®-4720 is not intended to use for body structure parts like pillars, sills, crossbeams or engine mounts. 

SikaPower®-4720 Panel Replacement Guide

Step 1:

Cut and remove damaged panel in accordance with OEM Recommendations
  • Cut and remove damaged panel in accordance with OEM recommendations

Step 2:

Grind bonding areas on both car body and new panel to bare mental
  • Grind bonding areas on both car body and new panel to bare metal

Step 3:

Straighten all metal and align parts. Dry fit panel
  • Straighten all metal and align parts.
  • Dry fit panel

Step 4: 

Clean target bonding areas with a suitable residue-free solvent
  • Clean target bonding areas with a suitable residue-fee solvent

Step 5: 

Apply an adhesive bead to all bare metal areas in both pieces to be bonded
  • Apply adhesive bead to all bare metal areas of both pieces to be bonded

Step 6: 

Spread the adhesive to cover all bare metal areas with plastic spatula
  • Spread the adhesive to cover all bare metal areas with a plastic spatula

Step 7: 

Spread the adhesive to cover all bare metal areas with plastic spatula
  • Spread the adhesive to cover all bare metal areas with a plastic spatula

Step 8: 

Apply second bead of adhesive on panel approx. 5mm from the edge of the panel.
  • Apply a second bead of adhesive on new panel approx. 5 mm from the edge of the panel
  • Do not apply a second bead at points that will be spot welded

Step 9: 

Align new part to car body within 60 minutes1) after start of adhesive application
  • Align new part to car body within 60 minutes1)  after start of adhesive application

Step 13: 

Vehicle may be returned to service after 24 hours
  • Vehicle may be returned to service after 24 hours1)

Step 10: 

Clamp panel in its proper position, start in corners, panel end pints and position where tension is present in the fit.
  • Clamp panel in its proper position, start in corners, panel end points and positions where tension is present in the fit (remove clams after 4.5 hours1))

Step 11: 

Tool any adhesive squeeze-out to seam along the bonded edge
  • Tool any adhesive squeeze-out to seam along the bonded edge

Step 12: 

Proceeed with welding or riveting where required and in accordance with OEM recommendations
  • Proceed with welding or riveting where required and in accordance with OEM recommendations

1) All time indications are related to 23 °C (ambient and substrate). Product curing behaviors is temperature dependent and increase with higher temperatures and vice versa. Cure time may be accelerated by applying heat up to 85 °C using infrared lamps, heating blankets or ovens. Consult curing information on product label or contact Sika Technical Service. 

Guideline on Product Curing Behavior (Temperature Dependent)
Temperature Open Time Clamp Time Grindable Drive-Away Time
10 °C 90 min 16 h 48 h 48 h
23 °C 60 min 4.5 h 16 h 24 h
30 °C 30 min 2 h 6 h 8 h
60 °C n.a. 30 min 1 h 1 h
SikaPower®-4720 Panel Replacement Video

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