Western Vitro - Specifications No Characteristics ISO 13006 Western Vitro Plus Method of Testing Group BIA (Max) 1. Deviation in thickness +/-5% +/-2% ISO 10545-2 2. Deviation in length +/-0.6% +/-0.1% ISO 10545-2 8. Straightness of sides/-0.1% ISO 10545-2 4. Warpage +/-0.5% +/-0.2% ISO 10545-2 5. Water absorption <3% <2.5% ISO 10545-3 6. Thermal Expansion <9*10 <6*10 ISO 10545-8