SPECIALTY METALLIC LEAD-FREE FLAT GLASS ENAMELS
Ferro’s Specialty Metallic Enamels are available in System76 and System140 flat glass colors. They are ideal for many interior and exterior flat glass design and aesthetic applications.
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Ferro's specialty metallic effect flat glass enamels provide our customers unlimited color possibilities with the flexibility needed to satisfy specific glass color processing and market requirements. In addition to the wide color possibilities availalbe, many metallic aesthetic appearances can be applied to adjust the appearance of glass.
These colors are heavy metal-free; they do not contain intentional additions of lead (Pb), mercury (hg) and hexavalent chromium, (Cr+6).
Typical metallic glass enamels with a rough surface can be more vulnerable to dirt and difficult to clean. An added benefit of our metallic colors includes the ability to be cleaned with solvents.
Test results of metallic glass colors to evaluate the resistance to alkali, sulfide and acids that include hydrochloric, sulfuric, acetic and citric acid show performance similar to lead-containing colors for flat glass.
The metllic enamles color range is formulated with strict controls to minimize color drift, resulting in superior lot-to-lot consistency. Our rigorous testing also ensures the firing stability of mixed shades for customers that prefer to make their own in-house color matchings.
Metallic flat glass colors have been designed to comply with GANA specifications for spandrel glass used in building windows and other architectural applications.
Metallic flat glass enamels are formulated for typical glass tempering cycles with furnace temperatures set at 1180 – 1300 °F (635 – 705 °C) and with a total cycle time of 40 seconds per millimeter of glass thickness.
This results in typical glass temperatures of 1145 – 1220 °F (620-660 °C).
SAMPLE PANTONE COLORS
We currently offer a wide range of color matches across several color platforms, including the ones listed below, and complete custom color matching services to help our customers develop new colors.
- Benjamin Moore
- PPG Metal Coatings
Metallic flat glass enamels have been developed and controlled for multiple application methods and medium systems. We have a wide range of additives for on-site adjustment available to adjust for high viscosity on-site adjustment prior to application.
|APPLICATION METHOD||MEDIUM BASE||PROPERTIES|
|Direct Screen Printing||Oil-based||Drying rate/wet-fire|
|Green Strength||Ether-based||Low VoC|
SYSTEM140 PLUS APPLICATION METHODS FOR FLAT GLASS DECORATION
|Enamel Quantity||Dependent on screen size|
|Loss of Enamel||Small|
|Surface||Even (screen mesh marks visible)|
|Thickness||Dependent on screen mesh and viscosity|
|Unwanted Edge Decoration||No|
|Exhaust System||Not Required|
|Size||Dependent on screen size or application piece|
|Cleanup||Organic solvents or water based on medium|
|Drying||Dependent on medium used|
Ferro has established regional color matching, blending/pasting and technical support facilities to provide the highest level of service demanded by our global customers.
Ferro provides complete custom color matching services to help our customers develop new colors and finishes to meet specific industry standards and/or unique customer needs. In addition to matching colors, Ferro can also provide custom formulations using the base/tint system.
Precise color matching can be achieved using our internal extensive database and color matching expertise. All colors are matched to defined reference samples to ensure exact match and consistent color reproduction from batch to batch.
Custom Medium Development
Ferro recognizes the effects of production environments and importance of local legislation on customer needs by providing customized medium additives and substitutes, including our development of low-VOC medium options.
Complete Intermixable Color Systems
For customers that prefer to make their own in-house color matchings, we can provide guidance and support. Metallic flat glass enamels can intermix to formulate intense colors, transparent options and other effects.