Pure Kel-F PCTFE Polychlorotrifluroethylene 6mm 8mm Rod

• Customization: Available
• Material: PCTFE
• Kind: Hard Plastic Rods
• Model NO.: MBH-PCTFER-008
• Water Absorption: ＜0.01%
• Contraction Percentage: 0.4%~1.4%
• Tensile Strength: 81~130MPa
• Color: Nature Beige
• Size: Max 260mm Dia. Per Customized
• Machining Service: Yes
• Advantage: High Performance
• Modified Service: Yes
• Application Filed: Medical / E/E / Semiconductor / Aerospace etc
• Transport Package: as Per Customer′s Request
• Specification: as per customer′s request
• Trademark: MBH
• Origin: China
• HS Code: 3926909090
• Production Capacity: 500000 Sets Per Year

Product Description

KEL F

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Kel-F® (PolyChloroTriFluoroEthylene) is a fluorocarbon based polymer and is frequently abbreviated as PCTFE. PCTFE combines physical and mechanical properties, non-flammability, chemical resistance, near zero moisture absorption and excellent electrical properties not found in any other thermoplastic fluropolymer.

Kel-F® also known as PCTFE or CTFE has many of the properties similar to other fluoropolymers such as PTFE, FEP, or PFA, but is mechanically superior in rigidity and has very low gas permeability.

Kel-F® maintains an outstanding electrical-insulating capability through thermal cycling and in high humidity environments. This material's high compressive strength and dimensional stability make it a good choice for structural material, while its low outgassing rate and permeability make PCTFE a great choice for laboratory, aerospace, flight applications, and instrumentation.

Please Note: The Kel-F® brand belongs to 3M, but their production was discontinued in 1995. The only remaining resin is made by Daikin Industries of Japan and called Neoflon®.

 

Product Description

PCTFE is a homopolymer of chlorotrifluoroethylene. PCTFE is melt processible and can be extruded or molded. PCTFE has a number of unique properties. In addition to excellent thermal and chemical stability, it has very low moisture absorption and permeation. It also is highly resistant to cold flow, is very rigid, is tough, has excellent dimensional stability and extremely good low temperature properties. It is especially applicable as a valve component material in cryogenic fluid service.

PCTFE Main Advantage:

• Especially suitable for cryogenic applications
• Excellent resistance to creep
• Dimensionally stable over a wide temperature range
• Extremely low gas permeability
• FDA approval
• Transparent and coloured compounds
• Working temperature from -240°C to +180˚C

 

•  PCTFE - Poly (chloro trifluoro ethylene) TYPICAL PROPERTIES

• PCTFE - Poly (chloro trifluoro ethylene) TYPICAL PROPERTIES

  Property	Value	Units	Method
  MECHANICAL PROPERTIES
  Tensile Strength	4860 - 5710 34 - 39	psi MPa	D 638
  Elongation	100 - 250	%	D 638
  Flexural Strength, 73°F	9570 - 10300 66 - 71	psi MPa
  Flex Modulus	200 - 243 x 103 1.4 - 1.7	psi MPa
  Impact Strength, Izod, 23 deg C	2.5 - 3.5	ft-lb/in	D 256
  Compressive Stress at 1% deformation,	1570 - 1860 11 - 13	psi MPa	D 695
  Density	2.10 to 2.17	gm/cu.cm
  THERMAL PROPERTIES
  Coefficient of Linear Expansion	7 x 10-5	K-1
  Melting Point	410 -414 210 - 212	deg F deg C
  Thermal Conductivity	1.45 0.84	Btu·in/h·ft2·°F W/m·K	ASTM C 177
  Specific Heat	0.22 0.92	Btu/lb/deg F kJ/Kg/deg K
  Heat Distortion Temperature, 66 lb/sq.in (0.455 MPa)	259 126	deg F deg C	D 648
  Processing Temperature	620 327	deg F deg C
  ELECTRICAL PROPERTIES
  Dielectric Strength, short time, 0.004"	3000	Volt/mil	D 149
  Arc-Resistance	360	sec	D 495
  Volume Resistivity, @ 50% RH	2 x 1017	ohm-cm	D 257
  Surface Resistivity, @ 100% RH	1 x 1015	Ohm sq-1	D 257
  Dielectric Constant, 1 kHz	2.6	ε	D150-81
  Dissipation Factor, @ 1 kHz	0.02		D150-81
  OTHER PROPERTIES
  Water Absorption	0.00	% increase in weight	D570-81
  Flame Rating+	Non-flammable		D 635
  Coefficient of friction			D 1894
  Specific Gravity	2.10 to 2.17		D792
  Moisture Permeability Constant	0.2	g/m, 24 hours
  O2 Permeability	1.5 x 10-10	Cc, cm/sq.cm, sec, atm
  N2 Permeability	0.18 x 10-10	Cc, cm/sq.cm, sec, atm
  CO2 Permeability	2.9 x 10-10	Cc, cm/sq.cm, sec, atm
  H2 Permeability	56.4 x 10-10	Cc, cm/sq.cm, sec, atm

  + Numerical rating for flame spread is not intended to reflect hazards presented by this or any other material under actual fire conditions
  
   

 

Material	Brand	Size (Rod)	Services	Application
PCTFE	MBH	Dia. 4 /5/6/7/8/9/10/13/16/18/22/ 25/26/40/45/50/55/	sheet/rod extrusion and machining and plastic modified services	medical, pharmaceutical, and semi-conductor, Aerospace, Auto etc.

 

 

 

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