PB11000 SERIES

Modified PTFE

Modified PolyTetraFluoroEthylene (mPTFE) is a chemically modified form of PTFE. Less than 1% of the fluorine atoms in the PTFE chain are substituted by a perfluoroalkoxy. Modified PTFE has a lower molecular weight than PTFE, which means that particles fuse better.

As a result, the end product is more compact, with fewer voids, and with better weldability than PTFE. The perfluoroalkoxy modifier in modified PTFE acts as an inhibitor of crystallization, ensures better distribution of the crystallites in the amorphous matrix and therefore, the cold flow is drastically reduced.

Depending on the percentage of modifiers, PB11000 materials can be used in applications that require high creep resistance or high flexibility.

PBY Material Codes:

PB11000D - Modified PTFE Creep Resistance

PB11001D - Modified PTFE High Flex

PB11002F - Virgin Modified PTFE NXT75

PB11003F - Virgin Modified PTFE NXT 70

PB11004F - Virgin Modified PTFE NXT85

PB11005M - Virgin Modified PTFE TFM 1600

PB11006M - Virgin Modified PTFE TFM 1700

Order Material

Modified PTFE Properties:

Smoother Less Porous surfaces lead to less contamination
Improved permeation resistance
Longer flex life than PTFE
Improved creep resistance and increased stiffness
Higher dielectric strength yields superior high-voltage insulation
Weldable / Fusible
Infinite Shelf Life

Typical Applications

Corrosion-resistant lining of steel parts
Valves and pipes
Gaskets requiring low deformation under load
Improved Weldability lends well to semiconductor applications
Carriers for silicon wafers and flat panel displays

Requirements

PB11000D meets ASTM D4894 Type III Grade 1

PB11001D meets ASTM D4894 Type III Grade 3

PB11002F meets ASTM D4894 Type III Grade 1

PB11003F meets ASTM D4894 Type III Grade 1

PB11004F meets ASTM D4894 Type III Grade 2

PB11005M meets ASTM D4894 Type III Grade 2

PB11006M meets ASTM D4894 Type III Grade 1

Downloads

PB11000D - Material Data Sheet

Creep Resistance

PB11001D - Material Data Sheet

Flex Resistance

PB11002F - Material Data Sheet

NXT75

PB11005M - Material Data Sheet

TFM1600

PB11006M - Material Data Sheet

TFM 1700

Spec. Summary
Property	Test Method	Units	TYPE III Grade 1	TYPE III Grade 2	TYPE III Grade 3
Color	-	-	White	White	White
Specific Gravity	ASTM D792	-	2.140 - 2.220	2.140 - 2.180	2.140 - 2.180
Hardness Shore D	ASTM D2240	-	59 - 69	57 - 67	57 - 67
Tensile Strength, min.	ASTM D4894	PSI [MPa]	4,060 [28.0]	3,000 [20.7]	4,000 [28.0]
Elongation at Break, min.	ASTM D4894	%	450	300	300
Service Temperature High	-	°F [°C]	500 [260]	500 [260]	500 [260]
Service Temperature Low	-	°F [°C]	-436 [-260]	-436 [-260]	-436 [-260]
Second Melt Peak Temp.	ASTM D3418	°F [°C]	615 [324]	615 [324]	615 [324]
Glass Transition Temp.	ASTM D3418	°F [°C]	-143 [-97]; 246 [119]	-143 [-97]; 246 [119]	-143 [-97]; 246 [119]

Spec. Compliance

REFERENCES

Wypych, George. Handbook of Polymers. 2nd Ed., ChemTec/Publishing, 2016.
Ebnesjjad, Sina. Fluoroplastics Vol1 & Vol2. 2nd Ed., Elsevier Inc., 2015.
Aerospace Materials Specifications for PTFE materials (AMS3678)
American Society for Testing and Materials (ASTM) Standards

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