CHARACTERISTIC STANDARD AS PER ISO-13006/EN14411 GROUP Bla MEAN VALUE OF SUNCORE PGVT MEAN VALUE OF SUNCORE GVT TEST METHOD
Deviation in length & width ± 0.5% ±0.1% ±0.1% ISO-10545-2
Deviation in thickness ± 5.0% ± 5.0% ± 5.0% ISO-10545-2
Straightness in side ± 0.5% ± 0.1% ± 0.1% ISO-10545-2
Rectangularity ± 0.6% ± 0.1% ± 0.1% ISO-10545-2
Surface flatness ± 0.5% ± 0.2% ± 0.2% ISO-10545-2
Color difference Unlterned No change No change ISO-10545-16
Glossiness As per mfg. Min 90% Min 4% GLOSSOMETER
Water absorption < 0.50% < 0.20% < 0.20% ISO-10545-3
Apparent density > 2.0 g/cc > 2.10 g/cc > 2.10 g/cc DIN 51082
Modulus of repture Min. 35 N/mm2 Min. 40 N/mm2 Min. 40 N/mm2 ISO-10545-4
Breaking strength Min. 1300 N Min. 1700 N Min. 1700 N ISO-10545-4
Impact resistance As per mfg. Min. 0.55 Min. 0.55 ISO-10545-5
Surface abrasion resistance As per mfg. Min. Class-3 Min. Class-4 ISO-10545-7
MOH's hardness As per mfg. Min. 4 Min. 5 EN 101
Frost resistance No damage No damage No damage ISO-10545-12
Thermal shock resistance No damage No damage No damage ISO-10545-9
Moisture expansion Nill Nill Nill ISO-10545-10
Thermal expansion(COE) Max. 9.0 x 10-6 Max. 6.5 x 10-6 Max. 6.5 x 10-6 ISO-10545-8
Crazing resistance As per mfg. Min. 10 Cycle Min. 10 Cycle ISO-10545-11
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