SGG KERALITE FR-ULTRA, laminated clear glass-ceramic.  Wireless glazing material for use in accidental human impact safety-rated locations such as doors, transoms and borrowed lites with fire rating requirements ranging from 20 minutes to 90 minutes; with hose stream test.

Data Sheet CSI format specifications Warranty Cleaning and maintenance sheet

1. Manufacturer: SGG KERALITE FR-ULTRA as manufactured by Vetrotech Saint-Gobain North America, Auburn, WA 98001   Tel: 888-803-9533 - Fax: 253-333-5166
2. Properties:
   1. Thickness: 3/4" (18mm)
   2. Fire Rating: 20 minutes to 90 minutes
   3. Weight: 6.0 lbs / sq. ft. (approx.)
   4. Approx. visible light transmission: 83%
   5. Impact Safety Rating: ANSI Z97.1 & CPSC 16CFR1201 (CAT I & II)
3. Labeling: Each lite of SGG KERALITE FR-ULTRA shall be labeled with a permanent logo including the name of product, manufacturer, testing laboratory (UL Underwriters Laboratories), fire rating period and safety glazing standards.
4. Fire Rating: Fire Rating listed and tested by Underwriters Laboratories for fire rating scheduled at opening locations in drawings, when tested in accordance with (ASTM E163) (ASTM E152) (UBC Standards 7-2 & 7-4) (UL9 & UL 10c) (NFPA 252 & 257)

SGG KERALITE FR-ULTRA Dimensions

Assembly Thickness	Time Rating (min.)	Max. Exposed Area (sq.in.)	Max. Width Exposed (in.)*	Max. Height Exposed (in.)*	Stop Height (in.)
Borrowed Lite
3/4" (18mm)	20-90	1640	28-3/8	57-7/8	5/8
Wood/Steel Door
3/4" (18mm)	20-90	1222	23	53	1/2

*Please note that combined height and width cannot exceed the maximum exposed area measurement.