He ʻelua ʻāpana pena, ʻo ka hui A i hana ʻia me ka resin hydroxyl-containing acrylic i lawe ʻia mai, ka pigment super weather-resistant, ka mea kōkua, solvent, etc., a me ka topcoat high weathering i haku ʻia me kahi aliphatic special curing agent e like me ka hui B.