DOWSIL 791

PRODUCT DESCRIPTION

ONE COMPONENT NEUTRAL SILICONE SEALANT FOR WEATHER PROOFING AND WEATHER SEALAING APPLICATIONS, specialized one-component sealant of low-modulus especially designed for weathersealing of the structurally glazed facades. This could be used for glazing and sealing of curtain walls, glass point fixed facades and traditional facades where glass, aluminium, bricks, ceramics and other traditional construction materials are used.

 

FEATURES & BENEFITS

  • Perfect for sealing of the dilatation joints, perimeters and moving joints
  • Excellent resistance to climatic loads, weather conditions, ozone and UV
  • Joint movement capability factor at elongation and compression ± 50% of the joint
  • Wide range of working temperature
  • Neutral curing system – no odour, no corrosion
  • Compatible with coated glass, steel, copper and ceramic elements
  • Excellent unprimed adhesion to majority of construction materials
  • Easy for application and tooling
  • Conforms to EN ISO 11600-F&G-20LM

 

TYPICAL PROPERTIES

Property

Unit

Value

Curing system

Alkoxy

Specific gravity

g/ml

1,50

Application temperature

°C

+5 to +40

Service temperature range

°C

-50 to +150

Skin Over Time – SOT

min

20

Tack Free Time – TFT

min

30

Curing speed

mm/24h

2 mm

Hardness (Shore A)

20

Elongation at break

%

700

Tensile strength

MPa

1,9

Joint Movement Capability

%

+/- 50

COLOURS/PACKAGING

Cartridge 310 ml, Foil sausage 600 ml:

black, grey, white, metal grey, metal-steel grey, brown, anthrazite, special colors

 

PRODUCER

DOW

 Logo DOW DOW COORNING

 

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