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Dow 781 Acetoxy White General-purpose Sealant, 310ml

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Dow 781 Acetoxy White General-purpose Sealant, 310ml
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per L
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Product details

Product information

This silicone sealant has good adhesion to a range of non-porous surfaces including glass, aluminium, composite boards and painted surfaces.

  • General-purpose

Features and benefits

It offers excellent resistance to shrinkage, cracking and discolouring.

  • Fast cure - tack free in 30 minutes
  • Working time of 5-10 minutes
  • Joint movement capability +/- 20%
  • Conforms to ISO 11600-F&G-20LM
  • Resistant to ultra-violet radiation and temperature extremes

Health and safety

Please note that this item has additional safety or regulatory datasheets available. The product may have possible health and safety hazards covered in these documents. Refer to the container for full information and always follow the instructions.


Application conditionsDry
Application methodCartridge gun
CE markedCE marked
Container typeCartridge
Drying time24 h
Instructions for storageWhen stored in cool, dry conditions below 30°C (86°F) in the original unopened containers, DOWSIL 781 Acetoxy Sealant has a usable life of 27 months from the date of production.
Instructions for useApply sealant to the desired area using a sealant gun. Once finished, the joint should be tooled within 5 minutes of application to ensure good adhesion. For an extensive list of application methods, please consult the Technical Data Sheet.
LocationInterior & exterior
Pack quantity1
PaintableNot paintable
Resistant to moistureMoisture resistant
Resistant to mouldNot resistant to mould
Resistant to ultravioletUV resistant
Resistant to waterWater-resistant once fully cured
VOC emissions class in indoor airNo VOC level recorded
VOC levelLow
Product code5413278254764