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Xcite FHC Technology. Ferro Corporation Worldwide Glass Coloring Solutions for Glass. What is FHC Technology?. Introduction, melting and dispersion of colorants in the forehearth channel instead of the glass tank

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xcite fhc technology

Xcite FHC Technology

Ferro Corporation

Worldwide Glass

Coloring Solutions for Glass

what is fhc technology
What is FHC Technology?
  • Introduction, melting and dispersion of colorants in the forehearth channel instead of the glass tank
  • Allows one or more forming machines to produce individual colors without a full tank changeover
  • So, a flexible color operation can be created without sacrificing the economies of large scale tank production
  • Almost all tank colors can be made also by FHC
xcite fhc technology1
Xcite FHC Technology


  • An alternative technology for colorationof glass
  • A cost-effective alternative to tank coloration
  • Wide range of coloring possibilities
  • Flexibility
  • More than just color... Xcite forehearth color (FHC) technology means…
      • 30 years of experience in FH color
      • development and troubleshooting
      • Full color-matching service
      • Rapid response
      • Full technological support
      • Colorant equipment design and supply
      • Computer modeling of cost savings
why color in the forehearth
Why Color in the Forehearth?
  • Flexibility
    • No need to color the entire tank
    • Perfect for short-run color campaigns
    • Can switch colors more easily than in the tank
    • Cheaper to switch dark colors back to flint
    • Allows cost-effective colored glass to be made near to the market
    • A viable alternative to consolidating color production in tanks which may be far from the market
    • Fits with current moves to rationalize and reduce the number of glass plants and tanks
    • Small and large forehearth applications;k16-k48 fh’s
why color in the forehearth1
Why Color in the Forehearth?
  • Increase productivity
    • Reduced downtime during color changes
    • Less production losses
    • Color changeover times reduced from days to hours
    • Can continue to run flint on other lines while producing color
    • Faster customer response time
    • Lower total coloring costs/ton
why color in the forehearth2
Why Color in the Forehearth?
  • Reduce inventory costs
    • Shorter campaigns mean less cash tied up in inventory
    • Lower warehousing costs
  • Lower energy consumption
    • Benefits of making base glass in high volumes can be maintained
    • No need to move colors production to less efficient, higher-cost small tanks
why color in the forehearth3
Why Color in the Forehearth?
  • Reduce contamination potential
    • No color in the batch preparation facility
  • Reduce shipping costs
    • Can keep color production close to the market
  • Marketing support
    • Short color campaign potential gives opportunity to test market new products without incurring major costs of tank color
why color in the forehearth4
Why Color in the Forehearth?
  • Conversion of tank colors
    • Opportunities to color more than simply flint
    • Reduce total number of tanks by converting one tank color to another normally produced in tank
    • Dead-leaf green to amber
    • Light amber to dark amber
    • Amber to black
    • Dead-leaf to antique green
    • Reduced Bordeaux to champagne green
    • UVA flint
markets applications
Markets & Applications
  • Cosmetic bottles
      • The original FHC application, fueled by this segment’s desire to produce small runs of specialized colors; still a growing market
      • Ralph Lauren Polo, Polo Sport, Davidoff, Avon, Nivea, CK, Gillette…
      • Emerald green, cobalt blue, copper blues, pink,amethyst, violet, black…
markets applications1
Markets & Applications
  • Beverage containers
    • Soft drinks…Georgia Green Coke
    • Wines and spirits…champagne, Bordeaux, Bacardi, whiskey
    • Mineral waters…Clearly Canadian
    • Emerald green, dead-leaf green, cobalt and copper blues, olive, amethyst, black…
markets applications2
Markets & Applications
  • Tableware
    • Tumblers
    • Cookware
    • Stemware
    • Art ware and giftware
    • Pressed-ware and blown-ware
    • Soda-lime and crystal
    • Green, black, yellow, pink, blue, amethyst...
markets applications3
Markets & Applications
  • Flat Glass
    • Rolled patterned glass (RPG)
      • Extremely flexible, cost-effective application for FHC technology, increasing in popularity
      • Especially popular in Middle East, South America, Asia
      • Wired and non-wired applications
      • Large volumes: pull rates 100 to a potential of 200 tons per day
    • Glass building blocks
      • As with RPG, very cost effective compared to tank color
    • Popular colors: bronze, blue, green, amethyst, brown
forehearth colorant design service
Forehearth Colorant Design Service
  • Close cooperation with forehearth engineers on preferred design
  • Colorant weighing, delivery and stirrer equipment design and layout
  • Full equipment package supplied
  • On-site commissioning of the coloring package in full cooperation with the forehearth engineers
  • Full color matching service
  • New color development and troubleshooting
  • Ferro invented and patented forehearth color concentrates (FHCC)
  • FHCC means higher color loading, lower % feed rates, high chrome green shades with better glass quality not possible with colored frits
  • Almost all colors are possible by forehearth coloring
  • Product can be color matched as frit or FHCC
  • For high tonnage pulls - e.g., containers and RPG-FHCC is generally the product form of choice
  • In some forehearth situations - e.g. short channel length - frits can be the preferred choice
equipment package
Equipment Package
  • Loading/weigh system including weigh hopper, scale feed and control system
  • Delivery system including vibratory conveyor and feed tube
  • Stirrer mechanism and speed controls, to ensure good color blending in the molten glass, giving homogenous color with good glass quality
critical variables
Critical Variables
  • Weigh system design: gravimetric preferred
  • Channel dimensions and shape, glass depth
  • Length of preheat, melting and stirrer zones - melt time, stirring time
  • Base glass analysis
  • Pull rate
  • Feed rate, typically 0.1 to 3% for FHCC, depending on product
  • Glass temperatures and control in the 3 zones: c. 1300-1220 o C
  • Number, position, speed, direction and design of stirrers
  • Feed point for FHC
  • FHC product design and formulation
  • Melt zone forehearth atmosphere and glass redox state
fhc proposal what do we need
FHC Proposal: What do we need?
  • New or existing forehearth to be used?
  • Layout and dimensions of existing forehearth and space available for possible forehearth modifications
  • Colors required
  • Tonnage pull rates required
  • Glass composition and cullet sample
  • Glass depth and temperature in the 3 FHC zones -preheat, melt and stirrer zones
  • End market segment
fhc proposal what do we offer
FHC Proposal: What do we offer?
  • Color-matched patties in customer’s own glass
  • Forehearth evaluation and full design proposal, in conjunction with the forehearth build engineers
  • Ferro FHC equipment package and quotations
  • Recommendations on stirrer profiles and set-up
  • Recommendations on temperature/atmosphere
  • On-site commissioning support
  • After-sales service and local sales support
global service
Global Service
  • Manufacturing plants in USA, Europe
  • For sales and service, please contact the nearest Ferro office or agent in your region:Europe: France, Italy, Portugal, Holland, U.K., Czech RepublicAsia: Australia, India, Korea, Japan, Thailand, Hong Kong, ChinaNAFTA: USA, MexicoSouth America: Brasil