Black and White Standards

MC-20 Opal Glass is the material to use if you have need for non-transparent, light diffuse reflection components such as screens, plates, integrating spheres or as reference specimens requiring stability, over long periods of time, in reflection and whiteness standards.

The integral reflection factor of a polished MC-20 Opal Glass specimen, have a thickness of at least 6.3 millimeters, at normal incidence of the illuminating beam, is 97 percent!

The difference between minimum and maximum reflectivity values of MC-20 Opal Glass, within the spectral range of 400-750 nanometers, is only about three (3) percent!

MC-20 Opal Glass offers these advantages:

High diffuse reflectance

Stability and constancy over long periods of time

Optical homogeneity

Good color neutrality

High mechanical strength

Assured decontamination capability

MC-20 Opal Glass is a multi-component, alkali containing, Borosilicate material opacified with fluoric and phosphoric compounds having a density of 2.67 g/cm³. Thermal expansion coefficient of this material is 80x10^-7 (20 - 400^o C). MC-20 Opal Glass resists moisture and staining substances.

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Black Glass is the material to use if you have need for non-transparent, light absorption components such as screens, plates, colorimetry, photometry, spectrophotometry or as reference specimens in absorption and black standards.

Black Glass offers these advantages:

Stability and constancy over long periods of time

Optical homogeneity

Good color neutrality

High mechanical strength

Assured decontamination capability

Thermal expansion coefficient of this glass is 72x10^-7 (20 - 400^o C)and a density of 2.46 g/cm3. Black Glass resists moisture and staining substances.


280 Laurel Avenue, Highland Park, Illinois 60035-2620	Phone: 847/432-8204
E-Mail: lambrecht@laurelindustries.com	Fax: 847/432-8243

MC-20 Opal Glass

When you need a surface with this kind of reflectivity...

MC-20 Opal Glass is the material to use if you have need for non-transparent, light diffuse reflection components such as screens, plates, integrating spheres or as reference specimens requiring stability, over long periods of time, in reflection and whiteness standards.

The integral reflection factor of a polished MC-20 Opal Glass specimen, have a thickness of at least 6.3 millimeters, at normal incidence of the illuminating beam, is 97 percent!

The difference between minimum and maximum reflectivity values of MC-20 Opal Glass, within the spectral range of 400-750 nanometers, is only about three (3) percent!

MC-20 Opal Glass offers these advantages:

MC-20 Opal Glass is a multi-component, alkali containing, Borosilicate material opacified with fluoric and phosphoric compounds having a density of 2.67 g/cm³. Thermal expansion coefficient of this material is 80x10^-7 (20 - 400^o C). MC-20 Opal Glass resists moisture and staining substances.

Black Glass

When you need a surface with this kind of absorption...

Black Glass is the material to use if you have need for non-transparent, light absorption components such as screens, plates, colorimetry, photometry, spectrophotometry or as reference specimens in absorption and black standards.

Black Glass offers these advantages:

Thermal expansion coefficient of this glass is 72x10^-7 (20 - 400^o C)and a density of 2.46 g/cm3. Black Glass resists moisture and staining substances.

MC-20 Opal Glass

When you need a surface with this kind of reflectivity...

MC-20 Opal Glass is the material to use if you have need for non-transparent, light diffuse reflection components such as screens, plates, integrating spheres or as reference specimens requiring stability, over long periods of time, in reflection and whiteness standards.

The integral reflection factor of a polished MC-20 Opal Glass specimen, have a thickness of at least 6.3 millimeters, at normal incidence of the illuminating beam, is 97 percent!

The difference between minimum and maximum reflectivity values of MC-20 Opal Glass, within the spectral range of 400-750 nanometers, is only about three (3) percent!

MC-20 Opal Glass offers these advantages:

MC-20 Opal Glass is a multi-component, alkali containing, Borosilicate material opacified with fluoric and phosphoric compounds having a density of 2.67 g/cm3. Thermal expansion coefficient of this material is 80x10-7 (20 - 400o C). MC-20 Opal Glass resists moisture and staining substances.

Black Glass

When you need a surface with this kind of absorption...

Black Glass is the material to use if you have need for non-transparent, light absorption components such as screens, plates, colorimetry, photometry, spectrophotometry or as reference specimens in absorption and black standards.

Black Glass offers these advantages:

Thermal expansion coefficient of this glass is 72x10-7 (20 - 400o C)and a density of 2.46 g/cm3. Black Glass resists moisture and staining substances.

MC-20 Opal Glass is a multi-component, alkali containing, Borosilicate material opacified with fluoric and phosphoric compounds having a density of 2.67 g/cm³. Thermal expansion coefficient of this material is 80x10^-7 (20 - 400^o C). MC-20 Opal Glass resists moisture and staining substances.

Thermal expansion coefficient of this glass is 72x10^-7 (20 - 400^o C)and a density of 2.46 g/cm3. Black Glass resists moisture and staining substances.