positive ps plate 1,Fast exposure sensitivity 2,High exposure speed 3, ... 80,000-100, 000copiesLampUv LampExposure condition 45sec with 3kwDeveloper Lecai positive developerDevelopment conditiontemp23 +/-2, 20~25secSafelight required yellowPackaging available in all ... area away from excessive cold, heat and high humidity offset positive PS printing plate made in China