3M™ Dyneon™ TFM™ Modified PTFE TFM 1705

Category: PTFE , Polytetrafluoroethylene
Manufacturer: 3M Advanced Materials Division
Trademark: 3M™ Dyneon™ TFM™ Modified PTFE
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 8PNpUa_3M-Dyneon-TFM-Modified-PTFE-TFM-1705.pdf
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Modified non free-flowing PTFE of the 2nd generation for compression moulding

Features
  • Meets ASTM D 4894 Type III, Grade 1 classification
  • Moulding powder with very small particle size
  • Improved particle coalescence
  • Dense polymer structure with reduced void content
  • Low permeability
  • Improved gel stability
  • Substantially lower deformation under load ("cold flow")
  • Good electrical and mechanical properties
  • Increased modulus of elasticity
  • Improved flex-life characteristics
  • Good weldability

Typical applications
  • Shaped parts
  • Large walled cylinders
  • Skived films of >20 µm
  • Linings in the chemical processing industry (CPI)
  • Diaphragms
General Information
Features
  • Good Electrical Properties
  • Weldable
Uses
  • Diaphragms
  • Film
  • Liners
Forms
  • Powder
Processing Method
  • Compression Molding
  • Sintering
PhysicalNominal ValueUnitTest Method
Density 2.16g/cm³ISO 12086
Apparent Density 0.41g/cm³ISO 60
Molding Shrinkage 5.4%Internal Method
Average Particle Size 25µmISO 13320
Additional InformationNominal ValueUnit
Compression Molding Molding Pressure 15.0MPa
Compression Molding Temperature 23 to 26°C
Sintering Temperature 375 to 380°C
HardnessNominal ValueUnitTest Method
Shore Hardness (Shore D)59ISO 868
MechanicalNominal ValueUnitTest Method
Tensile Modulus 650MPaISO 527-2
Deformation Under Load ASTM D621
    15 MPa 15.00%
    15 MPa 210.0%
    15 MPa 39.00%
FilmsNominal ValueUnitTest Method
Tensile Strength (100 µm)47.0MPaISO 527-3
Tensile Elongation (Break, 100 µm)560%ISO 527-3
ThermalNominal ValueUnitTest Method
CLTE - Flow DIN 53752
    30 to 100°C 1.2E-4cm/cm/°C
    30 to 200°C 1.4E-4cm/cm/°C
    30 to 260°C 1.7E-4cm/cm/°C
Thermal Conductivity 0.22W/m/KDIN 52612
ElectricalNominal ValueUnitTest Method
Surface Resistivity 1.0E+17ohmsIEC 60093
Volume Resistivity 1.0E+18ohms·cmIEC 60093
Electric Strength (0.100 mm)90kV/mmISO 12086
FlammabilityNominal ValueUnitTest Method
Flame Rating V-0UL 94
Note Message
1 .permanent
2 .100 hr
3 .24 hr
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