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SR, NO. CHARACTERISTICS REQUREMENT AS PER ISO 13006 BIa / EN 176 BI a ISO / EN TESTING METHOD A DIMENSION & SURFACE QUALITY 1 Deviation in Length & width Max. +/- 0.5% EN-98;IS:13630 (Part 1) 2 Deviation in thickness Max. +/- 5% EN-98;IS:13630 (Part 1) 3 Surface flatness (Warpage) Max. +/- 0.5% EN-98;IS:13630 (Part 1) 4 Rectangularity (Squareness) Max. +/- 0.5% EN-98;IS:13630 (Part 1) B PHYSICAL PROPERTIES 1 Water Absorption >/= 10% EN-99;IS:13630 (Part 2) 2 Scratch Hardness of Surface (Mohs) Min. 3 EN-101;IS:13630 (Part 13) 3 Resistance to Surface Abrasion (of tiles intended for use on floors) Abration class shall be specified by the manufacturer EN-154;IS:13630 (Part 11) 4 Crazing Resistance Required EN-105;IS:13630 (Part 9) 5 Modulus of Rupture Min.153 Kg/cm2 EN-100;IS:13630 (Part 6) C CHEMICAL / THERMAL PROPERTIES 1 STAINING RESISTANCE MIN CLASS 2 EN-122;IS:13630 (Part 8) 2 HOUSEHOLD CHEMICALS MIN CLASS B EN-122;IS:13630 (Part 8) 3 THERMAL SHOCK RESISTANT TO 10 CYCLES EN-104;IS:13630 (Part 5) 4 THERMAL EXPANSION MAX-9E-06 EN-104;IS:13630 (Part 5)