SIGMADUR FINISH SEMI GLOSS

Two component acrylic polyurethane, finish for application over primed concrete, metals and texture painted surfaces
PRINCIPAL CHARACTERISTICS
– for interior and exterior use
– unsaponifiable and alkaline resistant
– excellent resistance to atmospheric exposure
– excellent colour and gloss retention
– excellent U.V. resistance
– excellent non yellowing properties
– anti-carbonation properties
– resistant to water, splash and spillage of mild chemicals and solvents
– abrasion resistance
– easy to apply by brush and roller
COLOUR AND GLOSS
available in clear and in colours from the Sigma Standard
Colour Selection – semi gloss

Product Details
SKU: 867 Category: Tags: ,

Basic Data At 20 °c

( For mixed product )
Mass density
approx. 1.2 g/cm3 (depending on colour)
Solids content
approx. 55% by volume (depending on colour)
Recommended DFT
50 μm
Theoretical spreading rate
11 m2/ltr for 50 μm
depending on the nature and condition of the substrate and the
application method employed
Touch dry after
approx. 2 hours
Overcoating interval
min. 16 hours
max. no limitations
Full cure after
7 days
Shelf life (cool,dry place)
24 months
Flashpoint
base 27 °C and hardener 28 °C

New primed substrates
– dry and free from surface contamination
– within the over-coating interval of the primer applied
– abraded prior to application

Recommended primer
– appropriate to substrate type and compatible with polyurethane
Recommended finish
– applied in 2 coats @ 50μm dft per coat
Intermediate texture option
– for over-coating of Sigma Textures, the first coat should
be diluted 10% with thinner 21-22 with the second coat undiluted
Application limitations
– the minimum allowable substrate temperature is 5 °C
– maximum humidity during application and curing is 85%

Method Of Application

Mixing ratio: by volume; base to hardener 88 : 12
– the temperature of the mixed base and hardener should be above
15 °C, otherwise extra solvent may be required to obtain the
correct application viscosity
– too much solvent will result in lower sag resistance and slower cure
– thinner should only be added after proper mixing
of the base and hardener
Induction time at 20 °C
none
Potlife at 20 °C: 5 hours
AIRLESS SPRAY
Recommended thinner
21-22 (flashpoint 50 °C)
Volume of thinner
0 – 20%
AIR SPRAY
Recommended thinner
21-22 (flashpoint 50 °C)
Volume of thinner
10 – 20%
BRUSH AND ROLLER
Recommended thinner
21-22 (flashpoint 50 °C)
Volume of thinner
0 – 10%
CLEANING SOLVENT: 21-22 (flashpoint 50 °C)

Environmental

Complies with VOC specifications such as LEED etc.

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About SIGMADUR FINISH SEMI GLOSS


Two component acrylic polyurethane semi gloss finish


  • For interior and exterior use

  • Excellent colour retention properties

  • Non yellowing