1、5.3 Appearance Quality The appearance quality of the sunlight-controlled coated glass sheet should meet the technical requirements ofvehicle 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 qu

2、ality 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 DefectDescriptionSuperior ProductConforming Product HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Applica

3、tion%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Pinhole HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Diameter0.8mmIntensive not allowed0.8mm HYPERLINK C:/Documents%20and%20Setting

4、s/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Diameter1.2mmMiddle:3.0*S,pcs,Distance between each pinhole bigger than 300mm. 75mm edge;Intensive not allowedIntensive not allowed1.2 HYPERLINK C:/Documents%20and%20Settings/Administrator/Loc

5、al%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Diameter2.5mmnot allowednot allowedSpot1.0mm HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Diameter2.5mmMiddle:

6、not allowed75mm edge:2.0*S,pcsMiddle:5.0*S,pcs75mm edge:6.0*S,pcs2.55.0mmnot allowednot allowedStreakVisible not allowednot allowedDark StripeVisible not allowednot allowedCoating Scratch0.1Width0.3mmlength60mmnot allowedUnlimitedDistance between scratches smaller than 100mmWidth0.3mmlength60mmnot a

7、llowednot allowedGlass ScratchWidth0.5mmLength60mm3.0*S,pcsWidth0.5mmLength60mmnot allowednot allowedPS:1.Intensive pinholes refer to over 20 pcs within 100mm area.S refers to area of glass planeinsquare metres.Allowed pcs equal to each factor multiply S, and get a integer according to GB/T 8170.Mid

8、dle of glass plane is in the area of 75mm away from the edge, other parts called edge.5.4 HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Optical HYPERLINK C:/Documents%20and%20Settings/Administrator/Lo

9、cal%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Performance HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Optical HYPERLINK C:/Documents%20and%20Settings/Admi

10、nistrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Performance including Ultraviolet Transmittance, visible light transmittance, visible light reflection rate, Solar direct transmittance and solar energy total transmission rate, the HYPERLINK C:/Doc

11、uments%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); difference HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); value should

12、meet the demand of Chart 2. Chart 2 HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Optical HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame

13、/20140818095728/javascript:void(0); performance of the Sunlight-Controlled Coated glass Sheet ItemAllowed deviation maximum(express)Allowed HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); difference HYP

14、ERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); value maximum (implied)visible light transmittance30%Superior ProductConforming ProductSuperior ProductConforming Product1.5%2.5%3.0%5.0%visible light transm

15、ittance30%Superior ProductConforming ProductSuperior ProductConforming Product1.0%2.0%2.0%4.0%PS: For the products with express value, regard the value as the basis of deviation,the deviation maximum should meet the demand of this chart; For the products with implied value, test three samples ,the d

16、eviation maximum of three samples should meet the demand of this chart. 5.5 Color Uniformity Color Uniformity of the sunlight-controlled coated glass sheet use the Eab chromatic aberration of CIELAB uniform color space to show it, unit is CIELAB.The superior reflecting chromatic aberration products

17、in sunlight-controlled coated glass sheets should be not more than 2.5 CIELAB, the confirming products should be not more than 3.0 CIELAB.5.6 HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Abrasion HYP

18、ERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); Performance HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0);

19、 Abrasion HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); performance of the sunlight-controlled coated glass sheet should be tested according to 6.6; The deviation of the HYPERLINK C:/Documents%20and%2

20、0Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); average HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); value of visible lighttransmit

21、tance before and after test should never be more than 4%.5.7 Acid Resistance Acid resistance of the sunlight-controlled coated glass sheet, be tested by 6.7; The deviation of the HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/2014081809

22、5728/javascript:void(0); average HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); value of visible lighttransmittance before and after test should never be more than 4%; and the film should not be obviou

23、sly changed.5.8 Alkali Resistance Alkali resistance of the sunlight-controlled coated glass sheet, be tested by 6.8; The deviation of the HYPERLINK C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); average HYPERLIN

24、K C:/Documents%20and%20Settings/Administrator/Local%20Settings/Application%20Data/Yodao/DeskDict/frame/20140818095728/javascript:void(0); value of visible lighttransmittance before and after test should never be more than 4%; and the film should not be obviously changed.5.9 Other requirements not in

25、cluded in this chapter should be discussed and solved by supplier and buyer.6. Test Method 6.1 Permissible variation in dimension and thickness, diagonal differences be tested by methods provided in GB 11614.6.2 Tortuosity Test6.2.1 Untempered sunlight-controlled coated glass sheet should be tested

26、by methods provided in GB 116 Tempered and semi-tempered sunlight-controlled coated glass sheet should be tested by methods provided in GB 17841-1999.6.3 Appearance Quality Test6.3.1 Test for Pinhole, Spot and Scratch In the environment, never be affected by the outside light, use black and

27、unglazed screen with several paralleled 40w fluorescent tubes distanced by 300mm. The glass samples should be vertical placed, the film face to observer, paralleled with fluorescent tubes and distanced by 600mm, observer stays as far as 600mm away from the glass, observe with eyesight vertical with

28、the glass, as showed in picture 1, defect size should be measured by the reading microscope precision of 0.1 mm; the length of scratches should be measured by steel tape with minimum scale of 1 mm.Picture 1 Schematic Diagram of Measurement of pinhole,spot and scratch 6.3.2 Test for streak and dark s

29、tripe As shown in picture 2, under homogeneous exposure of scattered light, The glass samples should be vertical placed, the glass face to observer, observer stays as far as 3m away from the glass, observe with eyesight 30normal to the glass.Picture 2 Schematic Diagram of Measurement of streak and d

30、ark stripe6.4 Test for OpticalProperty Opticalproperty should be test by GB/T 11942.Conditions for Illumination and observation are vertical illumination / diffuse reception(including specular reflection, O/t)or diffuse illumination/vertical reception(including specular reflection, t/O).Optical coll

31、ector or black frieze should be installed on the back of the test samples. Or during the whole process of chromatic aberration measurement, the backgrounds of test samples keep with one accord, and take the mirror reflector as working part. Chromatic aberration(Eab) should be estimated by color diff

32、erence formula of CIE1976LAB Uniform color space, the color difference unit is CIELAB, samples should be middle parts, when testing reflection color of one-side coated glass, test the glass side(not coated side).6.5.2 Sampling Method Samples from one piece of glass: pick 5 pieces of samples f

33、rom four corners and middle of the glass. The edge of samples should be 50mm away from the glass(as picture 3).Picture 3 Sample Positions Samples from the same series of glass: pick 5 samples randomly, test samples by the method of . When its not able or convenient to make sampl

34、es for tempered and semi-tempered sunlight-controlled coated glass sheet, we can use Portable spectrophotometer to test by the method in 6.5.3 and place required in .5.3 Test for Color Uniformity Chromatic aberration of one piece of glass: take the middle sample as standard, compared w

35、ith other four corner samples in reflected color and get four Eab values, the maximum value is the chromatic aberration of this glass. Chromatic aberration of a series of glass: At the same place, measure samples made by method of and get the L,a,b values, take the max or min value of

36、 a or b as standard sample,compared with other four corner samples in reflected color and get four Eab values, the maximum value is the chromatic aberration of this glass.6.6 Test for Abrasion Resistance6.6.1 SampleTake the 100mm*100mm glass which has the same crafting with the products as sample. F

37、or tempered and semi-tempered sunlight-controlled coated glass sheet, choose semi-tempered sunlight-controlled coated glass sheet as sample.6.6.2 Abrasion TesterAbrasion tester should meet the demand of GB/T 5.3 Procedure Use spectrophotometer to measure the visible light transmittan

38、ce at four points of picture 4 according to GB/T 2680 before abrasion, and calculate the average value. Take the coated side as wearing surface, install the sample on the Horizontal rotary table of abrasion tester and spin sample, keep the surface of abrasive wheel clean before every abrasion. Spin samples 200 times; the width of grinding should not be smaller than 10mm after abrasion.Picture 4 Measure Position For the samples after abrasion, use the same equipment to measure the visible light transmittance at four points of picture 4, and calcu