Product Name: Positive ps plate, offset plate, Positive PS plate specifications Type: Positive-working Substrate: Electro-chemically grained and anodized aluminum Spectral sensitivity: 380~420 nm Exposure energy: 200 mj/cm2 Resolution: 2-98% at 175lpi Run length: 100, 000 impressions unbaked UV ink compatibility: Applicable when baked Shelf life: 18 months when away from excessive cold, heat and humidity