Triple laminated glasses are made with 3 layer of toughened or Heat strengthen glasses bonded together with PVB (poly vinyl butyral) or SGP (Sentry Glass Plus ) inerlayer using controlled highly pressurized heating process.
Normal combinations are
( 27mm Total) = 8mm glass +(1.52mm inter layer) +8mm glass+ (1.52mm inter layer) +8mm glass
( 33mm Total) = 10mm glass +(1.52mm inter layer) +10mm glass+ (1.52mm inter layer) + 10mm glass