Tate-Jones offers a wide variety of replacement lenses for all of our products.  Replacement gaskets are included with each lens purchase, except for the lenses in our Saf-T-Eye products. (Gaskets for Saf-T-Eyes must be ordered separately).  The different lens materials and their operating standards are explained below.

In addition to our standard product lenses, Tate-Jones stocks glass of different sizes, materials, and coatings. Please contact us with your request.

Vycor Blue – Designated by a “VB” in the model number. Maximum intermittent operating temperature is 2192°F. Maximum continuous operating temperature is 1652°F (Glass Only)*. A blue-colored heat resisting borosilicate glass.

Quartz Clear – Designated by a “Q” in the model number. Maximum intermittent operating temperature is 2048°F. Maximum continuous operating temperature is 1600°F (Glass Only)*.

Pyrex Clear – (borosilicate glass) Designated by a “P” in the model number. Maximum intermittent operating temperature is 554°F. Maximum continuous operating temperature is 446°F (Glass Only)* . Glass is heat strengthened for safety and is coated with a heat reflecting shield.

Glass Options

Type

Thickness

Max. Intermittent Temperature

Max. Continuous Temperature

Code
Letter

Vycor Blue (limited) 1/4″ 2192 °F / 1200 °C 1652 °F / 900 °C VB
Quartz Clear 1/4″ 2048 °F / 1120 °C 1600°F / 871 °C Q
Pyrex Clear 1/4″ 554°F / 290 °C 446°F / 230 °C P