SIGMACAP AQUA 300

Two component multipurpose primer and build coat based on
polyamide cured water borne epoxy for cement based substrates.
PRINCIPAL CHARACTERISTICS
– general multipurpose epoxy primer and coating for concrete
– particularly suitable when solvents are not permitted because of health and safety reasons
– free from lead and chromate containing pigments
– can be overcoated with most alkyd paints and 2 component durable finishes
– easy application by brush/roller and (airless) spray
– suitable for concrete floors
COLOUR AND GLOSS
limited color range available – Matt finish

Product Details
SKU: 690 Category: Tags: ,

Basic Data At 20 °c

( for mixed product )
Mass density
approx. 1.5 g/cm3
Solids content
approx. 57 ±2 % by volume
VOC (Directive 1999/13/EC, SED)
max. 20 g/kg (Directive 1999/13/EC, SED)
VOC (UK PG 6/23(92) appendix 3)
max. 30 g/l (approx. 0.24 lb/gal)
Recommended
dry film thickness
50 – 100 μm depending on the system
Theoretical
11.4 m2/ltr for 50 μm, 5.7 m2/ltr for 100 μm
spreading rate
depending on the nature and condition of the substrate and the
application method employed
Touch dry
approx. 2 hours
Overcoating interval
min. 6 hours*
max. 6 months*
Full cure after
6 days
Shelf life (cool, dry place)
12 months

New concrete:
– surface must be cured, clean, dry and free of disintegrated or
chalky materials
– substrate temperature must be above 10°C and at least 3°C above dew point during application and curing
– maximum relative humidity during application and curing is 75%

Mixing ratio: by volume; base to hardener 84 : 16
– prior to application the equipment must be flushed with Sigma
thinner 70-05 and tap water according to the cleaning procedure
for waterborne coatings
– adequate ventilation must be maintained during application and
curing.
– must be protected from freezing at all times during storage and/or
transport
– too much water will result in lower sag resistance and slower cure
– the temperature of the mixed base and hardener should preferably be
above 15°C, otherwise extra water may be required to obtain
application viscosity
– water should only be added after proper mixing of the base and
hardener
Induction time at 20 °C
none
Potlife at 20 °C
1.5 hours

Method Of Application

AIRLESS SPRAY
Recommended thinner
sweet water
Volume of thinner
0 – 5% depending on required thickness and application conditions
Nozzle orifice
approx. 0.48 mm (0.019 inch)
Nozzle pressure
15 MPa (= approx. 150 bar, 2176 p.s.i.)
AIR SPRAY
Recommended thinner
sweet water
Volume of thinner
0 – 5% depending on required thickness and application conditions
Nozzle orifice
1.5- 3.0 mm
Nozzle pressure
3 – 4 bar (approx. 43 – 57 p.s.i.)
BRUSH AND ROLLER
Recommended thinner
sweet water
Volume of thinner
0 – 5%
CLEANING SOLVENT
tap water and Thinner 70-05

Environmental

Complies with VOC specifications such as LEED etc.

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About SIGMACAP AQUA 300


Two component multipurpose primer and build coat based on
polyamide cured water borne epoxy


  • Particularly suitable when solvents are not permitted because of
    health and safety reasons

  • Free from lead and chromate containing pigments