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SIGMASHIELD 420 LT

SIGMASHIELD 420 LT
4Pages

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two component reinforced high solids polyamine adduci cured epoxy coating PRINCIPAL CHARACTERISTICS - coating for cargo tanks of bulk- or oil carriers and storage tanks build coat for underwater- and boottop systems cures at temperatures down to -10°C excellent abrasion and impact resistance outstanding (sea)water resistance grey, redbrown (other colours on request) - gloss Mass density Volume solids Recommended dry film thickness Theoretical spreading rate Overcoating interval Full cure after Shelf life (cool and dry place) (data for mixed product) SUBSTRATE CONDITIONS previous coat; (e.g. SigmaCover 280 (LT) or SigmaShield 220 (LT)) dry and free from ice and any contamination substrate temperature should be between -10°C up to 15°C during application and curing and at least 3°C above dew point and free from ice during application and curing a substrate temperature down to -10°C is possible, but curing to hardness takes longer and complete resistance will be reached when temperature increases maximum relative humidity during application and curing is 85% Marine Coatings

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SYSTEM SPECIFICATION Induction time mixing ratio by volume: base to hardener 75 : 25 - the temperature of the mixed base and hardener should preferably be above 5°C, otherwise extra solvent may be required to obtain application viscosity - too much solvent results in reduced sag resistance and slower cure - thinner should be added after mixing the components AIRLESS SPRAY Recommended thinner Nozzle orifice Nozzle pressure Recommended thinner Nozzle orifice Nozzle pressure Recommended thinner 5 -10%, depending on required thickness and application conditions CLEANING SOLVENT SAFETY...

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with epoxy coatings with polyurethanes Overcoating table for SigmaShield 420 LT for dft up to 150 urn 48 hours 24 hours 10 hours 5 hours 4 hours 72 hours 48 hours 36 hours 24 hours 16 hours 28 days 28 days 28 days 14 days 10 days - surface should be dry and free from chalking and contamination full cure full cure for cargo hold application: for full cure for hard angular cargoes, please contact your nearest PPG Protective & Marine Coatings sales office adequate ventilation to remove solvent must be maintained during application and curing (please referto sheets 1433 and 1434) should...

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Explanation to product data sheets Safety indications Safety in confined spaces and health safety Explosion hazard - toxic hazard Safe working in confined spaces Directives for ventilation practice The Information In this data sheet Is based upon laboratory tests we believe to be accurate and Is Intended for guidance only. All recommendations or suggestions relating to the use of the Sigma Coatings products made by PPG Protective & Marine Coatings, whether In technical documentation, or In response to a specific enquiry, or otherwise, are based on data which to the best of our knowledge are...

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SIGMASHIELD 420 LT 4Pages

Catalog excerpts

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SIGMASHIELD 420 LT
4Pages