Abrisa - Glass Products

GLASS STRENGTHENING

For more detailed information on Glass Strengthening, please select Glass Guide at left. Abrisa has the ability to comply with many industry quality standards. These include ANSI, ASME, ASTM, NCSL, ISO, MIL, DIS, JAN and SAE.

HEAT TEMPERING & STRENGTHENING
Heat Tempering is appropriate where compliance is required to ANSI Z97.1 or to ASTM-C-1048 (also called "Kind FT"). This standard is appropriate when small sized shards (dicing) are required when the glass is broken. Heat tempering will cause some optical distortion. Where optical change is not acceptable, chemical strengthening may be more suitable. Heat tempering is typically appropriate for glass from 1/8" (3.2mm) - 3/4 (19mm) thick and with sizes from 1" diameter to 48" x 72". Heat tempered glass may be verified by performing a surface compression test or break pattern test for compliance.

Heat Strengthening is appropriate for many applications and materials where a full temper is not possible or desired due to thickness, size, low thermal expansion rate of the base material, or other application requirements. This process does not produce a full "dicing" pattern when the glass is broken and will not meet the requirements of ANSI Z97.1 or CPSC 16CFR1201. Where appropriate, ASTM-C-1048 "Kind HS" may apply.

CHEMICAL STRENGTHENING

Chemical Strengthening is appropriate for thin glass, very thick glass, complex-shaped parts or where minimal optical or mechanical distortion is desired. It provides up to 5 times the strength of annealed glass. Glass strengthened by this process will not "dice" and therefore cannot be used in those applications requiring small shards. Chemical strengthened glass may be specified according to ASTM-C-1422. Abrisa's maximum size for chemically strengthened glass is 28 x 36.