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Tarnoform® 300 TF4

Grade with significantly lowered wear and friction coefficient modified with PTFE ISO 9988-1: POM-K, M-GNS2, 02-002

Properties

Physical Form
  • Granules
  • Solid

Product families

Applications

Automotive & Transportation — Automotive
  • Other Automotive Applications
  • Powertrain & UTH
Building & Construction — Building Materials
  • Structural Components
Industrial — Chemical & Industrial Manufacturing
  • Other Industrial Applications
Electrical & Electronics — Devices & Assemblies
  • Automotive Electronics
  • Other Devices & Assemblies
Electrical & Electronics — Parts & Components
  • Other Parts & Components

Product Families

Plastics — Engineering & Specialty Polymers
  • Polyacetals

Other characteristics

Brand
Tarnoform
Polymer Name
Polyacetal Copolymer (POM)
Flexural Modulus
2450.0 - 2450.0 MPa
Additives Included
Lubricant (Unspecified)
Processing Methods
Injection Molding
Markets
  • Automotive & Transportation
  • Building & Construction
  • Electrical & Electronics
  • Industrial
Flame Rating
IEC 60695-11-10 HB
Technology
Plastics
Material Features
  • Low Friction
  • Tribological Modified
  • Wear Resistant
Country Availability
  • Brazil
  • Canada
  • China (Mainland)
  • Mexico
  • USA
Plastics and Elastomers End Uses
  • Bearings
  • Gears
Plastics and Elastomers Functions
Resin
Plastics and Elastomers Processing Methods
Injection Molding

Technical data

Table 1 of 5

9 rows
CharacteristicValueUnitMethod
Melt Flow Index - MFI (190°C/2.16 kg)7g/10 minASTM D 1238
Melt Mass Flow Rate - MFR (190°C/2.16 kg)7g/10 minASTM D1238
Melt Volume Flow Rate - MVR (190°C/2.16 kg)6cm3/10 minISO 1133
Molding Shrinkage - Paralell (60×60×2 mm)2%ISO 294-4
Molding Shrinkage - Paralell (60×60×2 mm)0/-%ISO 294-4
Molding shrinkage - parallel2%ISO 294-4, 2577
Water Absorption (23/sat.)0.65%ISO 62
Moisture Absorption (23°C/50% RH)0.2%ISO 62
Density1520kg/m3ISO 1183

Table 2 of 5

9 rows
CharacteristicValueUnitMethod
Tensile Modulus2400MPaASTM D 638
Yield stress45MPaISO 527
Yield strain8%ISO 527
Strain at break15%ISO 527
Flexural modulus, 23°2450MPaISO 178
Charpy notched impact strength (+23°)3kJ/m2ISO 179/1eA
Charpy impact strength (+23°)60kJ/m2ISO 179/1eU
Izod notched impact strength, +23°4kJ/m2ISO 180/1A
Ball indentation hardness120MPaISO 2039-1

Table 3 of 5

9 rows
CharacteristicValueUnitMethod
Coefficient of Linear Thermal Expansion (parallel)110E-6/KISO 11359-1/-2
Delfection Temperature Under Load (1.8 MPa)100°CISO 75-1,-2
Temperature of deflection under load (1.80 Mpa)100°CISO 75-1/-2
Melting Point (DSC)167°CISO 11357-1-3
Vicat Softening Temperature (50 N)140°CISO 306
Melting temperature (10°C/min)167°CISO 11357-1/-3
Thickness tested3.2mm—
Vicat softening temperature140°CISO 306
Burning Behavior at thicknessHBclassIEC 60695-11-10

Table 4 of 5

3 rows
CharacteristicValueUnitMethod
Comparative Tracking Index - CTI600VUL 746
Surface Resistivity1.0e+15ohmSTN 34 6460
Volume Resistivity1.0e+15ohm.mASTM D 257

Table 5 of 5

2 rows
CharacteristicValueUnitMethod
Water absorption0.65%Sim. to ISO 62
Humidity absorption0.2%Sim. to ISO 62

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