19mm Low Iron Toughened Glass
It is processed by heating 19mm low iron/extra clear/ultra clear/Starphire/Crystal/super clear/super white glass to 650 degrees softening point and then quenched rapidly. It creates tension inside the glass and compression outside the glass surface.
19mm clear/low iron/extra clear/ultra clear/Starphire/super clear tempered glass in Radiant furnace: 39s/mm, total 735 seconds~745 seconds
19mm clear/low iron/extra clear/ultra clear/Starphire/super clear toughened glass in Forced Convection furnace: 28s/mm, 523 seconds~533 seconds
19mm low iron toughened glass Quench Time=Glass Thickness^1.8=19mm^1.8=200s
Compression & Tension Zone
21% (3.99mm) up & down part with compression, 58% (11.02mm) middle part with tension.
Surface compression >90Mpa (over 13000Psi).
19mm Toughened Glass Standard & Certificate
ASTM C1048 standard, SGCC certificate
EN12150 standard, CE certificate
Australia & New Zealand
AS/NZS2208-1996 standard, AS/NZS 2208 certificate
Features & Benefits
19mm low iron glass has a 90% visible light transmission, which creates a stunning and unmatched appearance.
Low Spontaneous Breakage
Less than 120ppm iron content and super low NiS, which lower the spontaneous breakage down to 0.01%.
<0.2% local bow & <0.3% arc bow standard, with non-visual defects in the surface.
3~5 stable cooperative factories to guarantee lead time based on different requests.
From smaller size glass louver to giant glass 3660mm*18000mm toughened glass.
when 19mm extra-clear tempered glass panel is broken, it will break into granularities to prevent series of injuries.
19mm ultra-clear toughened glass is about 4~5 times stronger than 19mm clear float glass.
19mm Starphire toughened glass can withstand 280℃ temperature variation.
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