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3M™ Dyneon™ TFM™ Modified PTFE TFM 1635

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:	Sy79lR_3M-Dyneon-TFM-Modified-PTFE-TFM-1635.pdf
PRICE:	Order Products email sales@su-jiao.com

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Modified semi free-flowing PTFE of the 2nd generation with reduced moulding pressure and improved flex-life

Features

Meets ASTM D 4894 Type IV classification, Grade 2

Moulding powder with semi-free-flowing properties and high bulk-density

Homogeneous mould filling and reduced moulding pressure

Improved particle coalescence

Improved flex-life

Dense polymer structure with very low void content

Low permeability

Substantially lower deformation under load ("cold flow")

Good electrical and mechanical properties

Good weldability

Typical applications

Articles requiring improved flex-life properties (diaphragms, bellows etc.)

Large compression moulded sheets

Isostatically moulded articles

Shaped parts

Large cylinders

Skived films of >250 µm

Linings in the chemical processing industry (CPI)

General Information
Features	Good Electrical Properties Weldable
Uses	Diaphragms Film Liners Sheet
Forms	Powder
Processing Method	Compression Molding Sintering

Physical	Nominal Value	Unit	Test Method
Density	2.16	g/cm³	ISO 12086
Apparent Density	0.83	g/cm³	ISO 60
Molding Shrinkage	4.1	%	Internal Method
Average Particle Size	230	µm	ISO 13320

Additional Information	Nominal Value	Unit
Compression Molding Molding Pressure	20.0 to 25.0	MPa
Compression Molding Temperature	23 to 26	°C
Sintering Temperature	375 to 380	°C

Hardness	Nominal Value	Unit	Test Method
Shore Hardness (Shore D)	55		ISO 868

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	650	MPa	ISO 527-2
Deformation Under Load			ASTM D621
15 MPa ¹	5.00	%
15 MPa ²	10.0	%
15 MPa ³	9.00	%

Films	Nominal Value	Unit	Test Method
Tensile Strength (200 µm)	35.0	MPa	ISO 527-3
Tensile Elongation (Break, 200 µm)	600	%	ISO 527-3

Thermal	Nominal Value	Unit	Test Method
CLTE - Flow			DIN 53752
30 to 100°C	1.2E-4	cm/cm/°C
30 to 200°C	1.4E-4	cm/cm/°C
30 to 260°C	1.7E-4	cm/cm/°C
Thermal Conductivity	0.22	W/m/K	DIN 52612

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity	1.0E+17	ohms	IEC 60093
Volume Resistivity	1.0E+18	ohms·cm	IEC 60093
Electric Strength (0.200 mm)	78	kV/mm	ISO 12086

Note Message
1 .	permanent
2 .	100 hr
3 .	24 hr

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