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ColdFlex


ColdFlex™ - Flexible Rubber Graphite
This is the latest and best technology. A flexible graphite suction roll seal material specially designed for the specific requirements of a suction roll seal, ColdFlex™ has the same graphite content as our classic Rubber-Graphite material, but is significantly more flexible and fracture resistant because it's made from a unique elastomeric composite.

ColdFlex™ seals will typically run longer than harder seal materials because they resist the thermal bow up into the shell that occurs with stiffer seal materials from dry contact with the shell. ColdFlex™ also solves the brittleness problems associated with rubber-graphite seals. When combined with our G-TEC™ end deckle material, all suction roll seal breakage issues are solved once and for all without risk of damage to the shell.

Other features include:
  • Generates low noise and will wear-in quickly.
  • Has a low coefficient of friction for low power consumption.
  • Can have 2-year run times with our custom fitting program.
  • No breakage in handling guaranteed.


Energy Savings
Improper application of suction roll seals can significantly impact power consumption, and decrease the operating interval between changes. Article Energy Savings for Suction Rolls lists the history of suction roll seals design, and provides the guidance to reduce energy consumption and extend run times.
coldflex
Since first introduced in 2006 nearly 2/3rd of Coldwater's existing customers have switched to ColdFlex.

brochure Brochure (Letter Size) (A4 Size)


Physical Properties
Property ASTM Method Value or Rating
Density DIN 53479 1.6 kg/dm
Water Absorption DIN 53472 0,18% (volume)      0,25% (mass)
Coefficient of Expansion E831-00 3x10-5.K-1 (19x10-6 in/in/ °F)
Coefficient of Friction 0,12 dynamic (dry, against stainless steel)
Hardness 63 Shore D
Max Operation Temperature 120°C (250°F)
contact info North America   +1 (404) 842-0012      /      Europe   +46 (0) 554-68 98 20      /      Asia   +86 (512) 5777-7691
info@coldwaterseals.com
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