DuraTuff

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This special thermal after-process can be applied pressed tumblers and stemware strengthens the upper portion of the glass, the area most susceptible to breakage. It increases resistance to thermal and mechanical shock, resulting in remarkably durable glassware with prolonged service life

Fine Edge

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Libbey’s Finedge glassware features a minimum bead and is availability on a variety of tumblers and stemware. This finely rimmed glassware brings subtle beauty to any establishment.

Sheer Rim DTE

RIM TOuGhEnED Dura Temp Edge

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Libbey’s SheerRim/DTE® stemware and tumblers feature a crack-off rim which is then fire polished to smooth the edge and improve durability. This combination of elegance and afford- ability is perfect for operators looking to upgrade their beverage service while still maintaining the durability and safety.

The Sheer Rim/D.T.E.® guarantee covers all products with a crack-off rim (tumblers and stemware). If the rim of any glass covered by the

Sheer Rim/D.T.E.® guarantee chips, Libbey will replace or refund the price of the glass when it is returned to the dealer/distributor from whom it was originally purchased.

Heat Treated

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A special heating and rapid cooling process strengthens the upper portion of blown glassware, increasing resistance to thermal and mechanical shock. It results in     remarkably durable glassware with prolonged service life.

*DuraTuff and Heat Treat processes are very similar. The major difference is DuraTuff applies to Pressed ware and Heat Treat applies to Blown ware.

Features
  • Secondary process
  • Special heating and rapid cooling process
  • Increases resistance to thermal and mechanical shock – less breakage
  • Performed to the upper portion of the glass where the most abuse occurs
Benefits
  • Strengthens the glass
  • Less breakage
  • Less costly to operations
  • Longer life
  • Decreases liability
Duratuff vs. tempered

Many glasses sold by competitors are fully tempered.

What is the difference between Libbey DuraTuff and tempering? Libbey’s exclusive processes were developed not only to reduce breakage and chipping, but t.o also change HOW a glass breaks – an important safety consideration in foodservice operations. Fully tempered glass is unstable, inappropriately tempered glassware shatters in an explosive manner. It breaks into smaller jagged pieces that can travel long distances potentially contaminating food or injure patrons. Tempered glassware breakage can also cause restaurant disruption and extended clean up time.

Treating just the upper third of the glass at a lower temperature than tempering puts a safer amount of stress on the glass and positively affects HOW the glass breaks as well as improving overall durability.

Tempered
  • Rapid heating and cooling after-process
  • Item breaks violently into small pieces due to increased stress level
  • Similar to Duratuff but breakage is more violent
  • Increases possible liability
  • Clean up/down time increased
Duratuff/Heat Treat
  • Rapid heating and gradual cooling after-process
  • Item breaks into large chunks
  • Similar to tempering but breakage is not as violent
  • Reduces possible liability
  • Clean up/down time reduced