Topcoat XS4201
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TOPCOAT XS4201 MATT COATINGS FOR AIRCRAFT STRUCTURE PROTECTION Product information Physical properties High solid polyurethane 3K topcoat for external and structural application. XS4201 is also available in high gloss and semi-gloss version (see corresponding TDS). Base XS4201 MATT Hardener / Catalyst XS4201 Thinner P2 THEORETICAL COVERAGE 12 m²/ L for 50µm dry - 125 ft²/L for 2 mils dry (base and hardener only). The theorical consumption value doesn't take into account the transfer efficiency for spray application. DRY FILM WEIGHT 1.60 for white base VOC 420 g/l or 3.5 lb/gal (ISO11890-1 and ASTM D 3960) SHELF LIFE / STORAGE 18 months for the base and hardener and 48 months for thinner stored between 5°C and 35°C (41°F and 95°F) in full and sealed original packaging. 2 months for the base and 15 days for the hardener between 5°C and 35°C (41°F and 95°F) after opening and properly closed packaging. GLOSS LEVEL Bellow 5 GU NOTES Flash Point: XS4201 Matt Base: 24°C (75°F) XS4201 Hardener: 170°C (338°F) P2 Thinner: 24°C (75°F) Gloss levels have been determined using glossmeter with an angle of incidence of 60°C. Surface preparation XS4201 must be applied on an appropriate primer according to substrate used and protection required. XS4201 is compatible with the following primer MSP-1, SP350, P60-LC, P60-A, P65HG, F69 and the PU Isomap P23. All recommendation mentioned above are given for information. Technical Data Sheet N° 13 - Edition (03/2020)

TOPCOAT XS4201 MATT COATINGS FOR AIRCRAFT STRUCTURE PROTECTION SPRAY APPLICATION Mixing ratio by volume 4 V (mixing by weight is recommended) 1V 1V Base Hardener / Catalyst Thinner MIXING PROCEDURE Mixing ratio by volume are given for information purpose. Please contact our customer support for information on mixing ratio by weight because they depends of the colour. Mixing by weight is mandatory in order to obtain a reproductible mat. Ideally, the unmixed products should be stored between 18°C and 25°C (64°F and 77°F) for 24 hours before use. The XS4201 base should be mixed for 5 minutes...

TOPCOAT XS4201 MATT COATINGS FOR AIRCRAFT STRUCTURE PROTECTION Application recommendations CONDITIONS Temperature 15°C to 35°C (59°F to 95°F) Relative humidity 40% to 80% EQUIPMENT Gravity compressed air gun Nozzle 1.5 to 1.8 mm DRY / WET FILM THICKNESS 40-80 µm (1.6 to 3.2 mils) dry / 80-160 µm (4.0 to 7.0 mils) wet NUMBER OF COATS The number of coats depends on the size and the shape of the part to which it is being applied. Application of two coats as crossed coats. EQUIPMENT CLEANING Clean the equipment with an appropriate cleaning thinner, such as P2 or Diestone E, Thinner 96100. NOTE...

TOPCOAT XS4201 MATT COATINGS FOR AIRCRAFT STRUCTURE PROTECTION Drying times NOTE For the Thinner P2, drying times are : Dust free Dry to touch Dry to handle Dry to tape Fully cured 50°C / 104°F Not Applicable 2 hours 4 hours 8 hours 24 hours 60°C / 140°F Not Applicable 1 hour 2 hours 4 hours 12 hours Drying times have been determined using test pieces of a thickness < 2 mm and for 50 µm (2.0 mils) of dry film. Leave to flash off for 1 hour at 23°C (73.4°F) before curing. Defects & corrections Health & Safety In the event of a defect, contact your Quality Department. See the product Safety...