It belongs to Metallic series; its effect is Purple red, the mesh size is 10-60μm.For its product speciality, they are anti-acid, anti-alkali, anti-high temperature,non-combustion, non conductive,light stability, insoluble in water,good dispersion and no harm to humans . Finally, we often pack 25KG in a big polybag, then into a master carton. Welcome to have a try on our 4004.