https://www.taxtmi.com/circulars?id=6254 Thickness of laminated safety glass must be measured per IS : 2553 Part I : 1990 applying the method in para 5.1 and Annexure B of IS : 2835-1987 using screw calipers (0.01 mm accuracy) at four specified points; individual readings must fall within the nominal ranges set out in the ISI table. Nominal thickness is determined from the table; purchaser supplier agreed alternate nominals use the range of the immediately lower listed thickness. The same method applies to toughened safety glass. en-us Thu, 03 Feb 1994 00:00:00 +0530 Wed, 01 Jul 2009 09:58:00 +0530 TaxTMI RSS Generator https://www.taxtmi.com/circulars?id=6254 Thickness of laminated safety glass must be measured per IS : 2553 Part I : 1990 applying the method in para 5.1 and Annexure B of IS : 2835-1987 using screw calipers (0.01 mm accuracy) at four specified points; individual readings must fall within the nominal ranges set out in the ISI table. Nominal thickness is determined from the table; purchaser supplier agreed alternate nominals use the range of the immediately lower listed thickness. The same method applies to toughened safety glass. Circulars Central Excise Thu, 03 Feb 1994 00:00:00 +0530 https://www.taxtmi.com/circulars?id=6254