Avalon 56

Category:	PTFE , Polytetrafluoroethylene
Manufacturer:	Greene, Tweed & Co.
Trademark:	Avalon
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	C8U75g_Avalon-56.pdf
PRICE:	Order Products email sales@su-jiao.com

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Message
PTFE is preferred for use in many pharmaceutical-sealing applications. Its chemical inertness and ultra-low level extractables provide pharmaceutical process and validation engineers with a safe material to use in almost any application. PTFE is visco-elastic, providing a functional seal when other fluorinated plastics such as PFA or FEP cannot. However, because virgin PTFE will creep under load its ability to provide a reliable seal during temperature cycling is limited. Ferrule gaskets made from Avalon® 56 provide a level of performance superior to other PTFE materials used in the pharmaceutical and hygienic fluid handling industries. Greene, Tweed's Avalon 56 uses the latest generation modified PTFE. Modified PTFE contains a small amount of a perfluoroether to improve creep resistance, compressive strength and permeation resistance. Modified PTFE is not only the material of choice for PTFE-faced diaphragm materials, but it is also FDA compliant. While other gasket manufacturers fabricate gaskets by directly molding the finished part, Greene Tweed machines Avalon 56 sanitary gaskets and custom shapes from isostatic-molded billets to provide optimal physical properties and tighter tolerances, easing the installation process. Avalon 56 virgin PTFE seals deliver improved sealing performance over standard PTFE. Avalon 56 is available in all sanitary gasket sizes, as well as custom shapes.

Message

PTFE is preferred for use in many pharmaceutical-sealing applications. Its chemical inertness and ultra-low level extractables provide pharmaceutical process and validation engineers with a safe material to use in almost any application. PTFE is visco-elastic, providing a functional seal when other fluorinated plastics such as PFA or FEP cannot. However, because virgin PTFE will creep under load its ability to provide a reliable seal during temperature cycling is limited.

Ferrule gaskets made from Avalon® 56 provide a level of performance superior to other PTFE materials used in the pharmaceutical and hygienic fluid handling industries. Greene, Tweed's Avalon 56 uses the latest generation modified PTFE. Modified PTFE contains a small amount of a perfluoroether to improve creep resistance, compressive strength and permeation resistance. Modified PTFE is not only the material of choice for PTFE-faced diaphragm materials, but it is also FDA compliant.

While other gasket manufacturers fabricate gaskets by directly molding the finished part, Greene Tweed machines Avalon 56 sanitary gaskets and custom shapes from isostatic-molded billets to provide optimal physical properties and tighter tolerances, easing the installation process.

Avalon 56 virgin PTFE seals deliver improved sealing performance over standard PTFE.
Avalon 56 is available in all sanitary gasket sizes, as well as custom shapes.

General Information
Features	Good Chemical Resistance Good Compressive Strength Good Creep Resistance High Elasticity Low Extractables
Uses	Gaskets Pharmaceuticals Seals
Agency Ratings	FDA Unspecified Rating USP Class VI
Appearance	White
Forms	Pellets

Physical	Nominal Value	Unit	Test Method
Specific Gravity	2.17	g/cm³	ASTM D1457

Mechanical	Nominal Value	Unit	Test Method
Tensile Strength (Yield)	34.5	MPa	ASTM D638
Tensile Elongation (Yield)	450	%	ASTM D1457
Shear Strength			ASTM D732
27°C	16.5	MPa
38°C	15.2	MPa
66°C	12.8	MPa
93°C	11.7	MPa
149°C	10.3	MPa
204°C	9.31	MPa
Coefficient of Friction ¹
vs. Itself - Dynamic	0.080
vs. Itself - Static	0.050
Deformation Under Load (22°C, 14 MPa)	3.20	%	ASTM D621
Wear Factor	5000	10^-8 mm³/N·m	ASTM G77

Note Message
1 .	33.3 psi

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