Published to the Trade by PPG in 1957

    Pittsburgh Safety Glass is manufactured to meet the exacting requirements of the American Standard Safety Code for Safety Glazing Materials for Glazing Motor Vehicles Operating on Land Highways (A.S.A. Z26.1 - 1950) as indicated by the symbols AS1; AS2; AS3 or a combination thereof, as in the case of Curved sunshade Solex Duplate Safety Glass Windshields. The trade mark stencils shown below in actual size are permanently etched in the corner of each kind of Safety Glass.

    Select the kind of Safety Glass wanted from those described and illustrated below and specify on your order the part, or pattern number, and the name of the Safety Glass in which you wish the Pittsburgh Auto Glass part supplied.

ALSO SEE
Types of
Auto Glass
PPG offered
in 1940

DUPLATE SAFETY PLATE GLASS
    Two pieces of 1/8" Polished Plate Glass laminated together with an interlayer of Vinyl plastic to provide greatest elasticity and resistance to breakage at all temperatures. Assures superior vision from any angle. Thickness 1/4".

SOLEX DUPLATE SAFETY HEAT ABSORBING PLATE GLASS
    Two pieces of 1/8" Solex Plate Glass laminated together with an interlayer of Vinyl plastic, keeps car interior cooler when the sun is hot. Guards against eyestrain from glare of sunlight, and has all the excellent vision qualities of regular polished plate glass. Thickness 1/4".

CURVED SUNSHADE SOLEX DUPLATE SAFETY PLATE GLASS
    Two pieces of 1/8" Solex Plate Glass laminated together with an interlayer of Vinyl plastic so graduated in color that the levels requisite for driving visibility and below the index mark (AS1) transmits more than 70% of the incident white light. Supplied in Curved Windshields only. Thickness 1/4".

DUOLITE SAFETY SHEET GLASS
    Two pieces of Pennvernon Sheet Glass of similar thickness laminated together with an interlayer of Vinyl plastic to provide greatest elasticity and resistance to breakage at all temperatures. Safety Sheet Glass does not have the true vision of Safety Plate Glass, but does have an equal safety factor. Duolite is not recommend for use in windshields as here true vision is necessary for safe driving. Thickness 1/4".

SOLEX DUOLITE SAFETY HEAT ABSORBING SHEET GLASS
    Two pieces of Solex Sheet Glass of similar thickness laminated together with an interlayer of Vinyl plastic. Solex absorbs the direct Solar radiation and will keep the car interior cooler when the sun is hot. Drivers and passengers ride in greater comfort. Solex provides protection from eye fatigue and blinding glare from sunlight. Thickness 1/4".

CURVED HERCULITE TEMPERED SAFETY PLATE GLASS
    One piece 1/4" Polished Plate Glass which has been specially tempered and is approximately four times as strong and flexible as ordinary Plate Glass. It is many times more resistant to impact. When Herculite, under sufficient impact, does shatter, it does not break into sharp fragments like ordinary glass, but disintegrates into innumerable small pieces which are comparatively blunt edged.

CURVED SOLEX HERCULITE TEMPERED SAFETY PLATE GLASS
    One piece 1/4" Solex Polished Plate Glass which has been specially tempered to increase its strength to four times that of ordinary glass. Is a companion heat absorbing and glare reducing Plate Glass for cars having Solex Duplate. Windshields, and either Solex Duplate or Solex Duolite in the doors, windows and ventilators.