DeWAL DW 212

Category: PTFE , Polytetrafluoroethylene
Manufacturer: DeWAL Industries
Trademark: DeWAL
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 2uZsQ5_DeWAL-DW-212.pdf
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D/W 212 is a film , skived from virgin PTFE, that has been etched on one side with sodium naphthalene. This surface treatment allows PTFE, which normally exhibits very poor adhesion, to be bonded to other materials.

The major applications for sodium etched PTFE involve bonding to elastomers to produce laminated diaphragms, as well as the application of pressure sensitive adhesives in the production of PTFE pressure sensitive tapes. In all the above applications, the lamination or adhesive application is usually accomplished with a primer that is specific to the material being applied.
General Information
Features
  • Good Adhesion
Uses
  • Adhesives
  • Diaphragms
  • Film
  • Tape
Appearance
  • Black
  • Natural Color
  • Red
  • White
Forms
  • Film
PhysicalNominal ValueUnit
Thickness 50.8 to 1020nm
Additional InformationNominal ValueUnit
Core ID 7.62cm
Maximum Roll OD 356mm
Width 305 to 965mm
FilmsNominal ValueUnitTest Method
Tensile Strength - MD (Yield)27.6MPaASTM D882
Tensile Elongation - MD (Break)300%ASTM D882
ThermalNominal ValueUnit
Continuous Use Temperature 260°C
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