镀膜玻璃国家标准英文版.doc

5.3 Appearance Quality The appearance quality of the sunlight-controlled coated glass sheet should meet the technical requirements of?vehicle grade in GB 11614. The tempered and semi-tempered sunlight-controlled coated glass sheet used as curtain wall should have fine edge processing. The appearance quality of the sunlight-controlled coated glass sheet should meet the requirements of Chart 1. Chart 1 The Appearance Quality of the Sunlight-Controlled Coated glass Sheet Defect Description Superior Product Conforming Product Pinhole Diameter0.8mm Intensive not allowed 0.8mm≦Diameter1.2mm Middle:3.0*S,pcs,Distance between each pinhole bigger than 300mm. 75mm edge;Intensive not allowed Intensive not allowed 1.2≦Diameter1.6mm Middle:not allowed 75mm edge:3.0*S,pcs Middle:3.0*S,pcs 75mm edge:8.0*S,pcs 1.6mm≦Diameter≦2.5mm not allowed Middle:2.0*S,pcs 75mm edge:5.0*S,pcs Diameter2.5mm not allowed not allowed Spot 1.0mm≦Diameter≦2.5mm Middle:not allowed 75mm edge:2.0*S,pcs Middle:5.0*S,pcs 75mm edge:6.0*S,pcs 2.5Diameter≦5.0mm not allowed Middle:1.0*S,pcs 75mm edge:4.0*S,pcs Diameter5.0mm not allowed not allowed Streak Visible not allowed not allowed Dark Stripe Visible not allowed not allowed Coating Scratch 0.1≦Width≦0.3mm length≦60mm not allowed Unlimited Distance between scratches smaller than 100mm Width0.3mm length60mm not allowed not allowed Glass Scratch Width≦0.5mm Length≦60mm 3.0*S,pcs Width0.5mm Length60mm not allowed not allowed PS:1.Intensive pinholes refer to over 20 pcs within 100mm area. S refers to area of glass plane?in?square metres. Allowed pcs equal to each factor multiply S, and get a integer according to GB/T 8170. Middle of glass plane is in the area of 75mm away from the edge, other parts called edge. 5.4 Optical?Performance Optical?Performance including Ultraviolet Transmittance, visible light transmittance, visible light reflection rate, ?Solar direct transmittance and ?solar energy total transm