Fluoro Polymers MOC

• Ethylene chlorotrifluoroethylene (ECTFE)
  • ECTFE (Ethylene chlorotrifluoroethylene) is a fluorocarbon based(a fluoropolymer), a kind of plastic.
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• Polytetra Fluoro Ethylene (PTFE)
  • PTFE Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that finds numerous applications. The most well known brand name of PTFE is Teflon by DuPont Co.
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• Perfluoroalkoxy or PFA
  • Perfluoroalkoxy or PFA is a type of fluoro polymer with properties similar to poly tetra fluoro ethylene (PTFE).
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• Fluorinated Ethylene Propylene or FEP
  • Fluorinated ethylene propylene or FEP is a copolymer of hexa fluoro propylene and tetra fluoro ethylene.
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• Surface Preparation For Lining
  • MS/CS surface is sand blasted as per SA 2.5 for appropriate surface roughness which allows strong bonding with fluoropolymer sheets.

• Properties Of Various Fluoropolymers

Technical Properties Specific
Water Absorption
ft. lb/in
At Break
Max Working Temp °C
PVDF 1.77-1.78 0.03 76-80 7000 2.0-4.0 50-250 168 -40 to +140
ECTFE 1.70 0.007 75 6700 2.0 300 176 -100 to +160
FEP 2.15 0.004 60 3400 2.9 325 260 205
PFA 2.15 < 0.03 72 3600 1.2 300 305 260

• FRP Reaction Vessel
  • TFM + FRP Reaction Vessel Used By Surfactant Industry For The Replacement Of Duplex Steel With M-Ptfe.
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  • PVDF lined agitated Nutche Filter for a bromine manufacturing company. By lining of agitated Nutche filters by fluoro polymers we are replacing the expensive haste alloy Nutche filters.
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• Halar Lining
  • 12 mm Thick Halar or ECTFE lining to bottom of prilling tower for the fertilizer industry. Ammonium sulphate rocks fall from 30 m height on the bottom cone. Halar has exceptional abrasion & corrosion resistance.
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• SO2 quench tower
  • SO2 quench tower having Diameter : 2900 mm x Height : 13,800 mm long. Single equipment which has consumed more than 150 sq meter of 2.3 mm ECTFE.
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• Fabric Sheet Lining / Bonded Sheet Linings
  • Fabric backed fluropolymer sheets are used for sheet linings of PVDF,PTFE,ETFE,ECTFE,FEP,PFA. Unique bonding techniques are available for appropriate bonding of fluropolymer with base material for use under vacuum and at high temperatures.
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• Mechanical Bonded Lining / Un-Bonded Linings / Loose Linings
  • For certain high temperature application bonding between fluoropolymer and GRP/MS is not important thus loose lining or un-bonded lining is preffered. This method allows to utilize maximum performance of flouropolymers.
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• Fluoropolymer Coatings
  • Coating is done by heating the MS item / equipments in oven & then fluoropolymer in powder form is electrosticaly sprayed on the same, on coming in contat with the heated surface it melts & the sparaying is repaeated to achieve desired thickness.
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• PTFE MS Lined Pipes and Fittings
  • 1) Dimentional Standards:
    A) All dimensions are in mm otherwise specified
    B) Pipes Confirms to ANSI B-36.10
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