FONDAL – AC wood sealer polyurethane a transparent acrylic polyurethane sealer with outstanding hardness, chemical resistance and elasticity. The high mechanical and chemical resistance of this product makes it suitable for the application as wood sealer for almost any wood works for internal and external use.
Properties and Areas of Use
– Tough, hard wearing flexible film, with excellent hardness, filling ability, sand ability and weathering resistance
– Good chemical resistance, and excellent water resistance
– Cures at low temperatures
Technical Coating Data @ 25 °C for mixed material
Color Range Transparent
Solids Volume 40 ± 2%
Dry Film Thickness Range 25-100 µm
Theoretical Spreading Rate 8 m² / L @ 50 microns DFT
(loss factors will apply in practice)
Surface Dry 1 hour.
Recoat Interval 12 hours minimum
10 days maximum
Sanding 12 hours
Pot Life 2 hours
Flash Point 28°C
Shelf Life 12 months (stored in a cool dry place)
Mixing Ratio by Weight 2 Base component
1 Activator Component
VOC 562 g/L
Film Thickness and Spreading Rate:
Minimum Maximum Typical
Film thickness, dry (µm) 25 100 50
Film Thickness, wet(µm) 62.5 250 125
Theoretical Spreading Rate (m2/L) 16 4 8
-Wood must be abraded with sand paper No. 320 and be free from dust, moisture, grease and any other contaminations.
Substrate temperature should be 10°C or above for application and during cure and a minimum of 3°C above the dew point. Adequate dry air ventilation is recommended for optimum drying.
Thinning should only take place after the two components have been thoroughly mixed.
Brush and Roller
Thin if required with 0-5% Paint Thinner Colorama TH908UE.
Conventional Air Spraying
– Thin with 5-25% Paint Thinner Colorama TH908UE, as required.
– Tip size – 2.0 mm
– Tip pressure – 60 psi (0.4Mpa) approximately
– Thin with 0-20% Paint Thinner Colorama TH908UE, as required
– Tip size – 0.58-.79 mm approximately
– Tip pressure – 2100 psi (15Mpa) approximately
Equipment should be cleaned immediately after use with Paint Thinner Colorama TH908UE.
Drying times are affected by air ventilation, temperature, film thickness and number of coats.
Substrate Temp. 10° C 25° C 40° C
Surface Dry 2 h 1 hour 30 min.
Through Dry 8 h 4 h 2 h
Dry to recoat or sanding 16 h 12 h 8 h
The given data serve as guideline only. The actual drying time differs according to film thickness, ventilation, humidity and underlying paint system.
Typical paint system:
UNICOLOR Stain 1 x 25 µ
FONDAL Sealer 2 x 50 µ
ACRYNIL Varnish 2 x 50 µ
Keep the containers in a dry, cool, well ventilated space and away from source of heat and ignition. Containers must be kept tightly closed.
Handle with care. Stir well before use.
Packing Size: 5 L & 18 L
Summary Safety Information
– Avoid inhalation of spray mist and skin contact by the use of masks, gloves and other
personal protection. Eyes should be cautiously washed with water or proprietary wash, and
medical attention obtained. Skin should be thoroughly washed using a cleanser and soap and
– Product is flammable
– No sparks or flames
– No smoking
FONDAL – AC wood sealer polyurethane