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AEROSPACE

The extremely high technical requirement involves particularly the aero-thermo-mechanical behaviour of engine components, since the thermodynamic cycle is characterized by relatively high operating temperatures, very low component pressure ratios and efficiencies, and high rotational speed of the core-assembly. In this context, the role played by NEXA perfluoelastomers components performance is significant and indicate the dominance of frictional forces on inertial ones.

AUTOMOTIVE

Selected perfluoroelastomers grades make up all the supplies intended for OEM or second level and after-market of the automotive sector. NEXA’s R&D and Quality departments are constantly working on new products, with the help of modern technologies for the digital control of parts in order to guarantee supplies with “0 defects”.

CHEMICAL

The chemical industry is the industry that, in many cases, drives world economies, and that has forcefully entered all production areas. There is no product that is not associated – directly or indirectly – with the sector of chemical transformations, which today are increasingly oriented towards productions with low environmental impact. NEXA’s range includes both products whose applications are directly linked to the reduction of harmful emissions, as well as products for the storage and containment of aggressive chemical products.

FOOD

NEXA offers top grade perfluoroelastomers products for food and beverage applications, in compliance with FDA standards and only after very strict tests on incoming raw materials and in progress production processes. Special perfluoroelastomers grades can be compounded according to our customer’s requirements.

PHARMACEUTICAL

NEXA produces special and standard perfluoroelastomers parts for pharmaceutical applications from compounds derived from the Drug Master File. The tailored service offers the unique opportunity for our customers to have a custom formulation matching exactly their expectations in terms of quality and costs. We’re offering the following guaranties to our customers: FDA materials registered with Good Manufacturing Practices (GMP) Materials registered with Drug Master File ISO Certification

SEMICONDUCTOR

The exponential growth of the electronics sector, and the concentrated production on special global markets, have contributed to the specialization of the components used and to the optimization of production processes. Therefore, quality and production capacity are decisive factors when it comes to supplying leading companies operating in this sector, which is especially competitive and demanding. In addition to regular production processes, after-processing phases follow which are suited to provide the product with mechanical characteristics specific to the application for which it is intended.

NUCLEAR

NEXA can supply perfluoroelastomer sealing solutions to the nuclear power industry either in commercial or nuclear grade as like-for-like replacements for your existing seals. The special grades developed by NEXA combine the sealing performance, heat resistance and recovery characteristics of an elastomer with a chemical resistance similar to that of PTFE.

OIL & GAS

Due to its strategic importance on global markets, this is the sector that influences the trends, development and synergies of strong and not so strong economies. Offshore platforms and extraction wells, with all that follows in terms of transportation and storage systems, require components with very high quality and totally reliable. NEXA offers a wide range of products and materials specifically designed and tested for these applications.

You are here: Home » PFX 9020
Saturday, 04 Jul 2020

PFX 9020 PERFLUOROELASTOMER

SEMICONDUCTOR ULTRA HIGH PURITY – NANO PARTICLES FILLED

Ultra Clean Perfluoroelastomers

For semiconductor sealing applications, in both wet and dry operations, purity is a paramount. Elastomeric seals must never degrade process purity trough the introduction of particulates, metal fillers, or outgassing. Additionally, elastomeric seals must to retain their sealing properties while resisting extreme environments including high temperature, aggressive solvents and plasma chemistries.

PFX 9000 Series (expecially the grades PFX 9010 and PFX 9020) has a fully fluorinated backbone wich, combined with an unique cross-linking chemistry, enables these compounds to withstand harsh chemical and plasma exposure.
Unlike other perfluoroelastomers, no tin or other metal contaminates detrimental to semiconductor applications are added for vulcanization.

PFX 9010 and PFX 9020 are the premier sealing polymers for semiconductor applications for several reasons:

• They are designed for semiconductor market

• Advanced polymerization and fluorinated nano filler technology are brought together into a single composite material. The nano filler technology reinforces the elastomer without the use of carbonblack, metal oxides, silica, or other contaminates.

• Additionally, specially designed equipment utilizing a patented cleaning and washing technology with ultra pure water ensures the cleanest polymer source.

Substances Release Determination
Al 0,06
Ba 0,006
Ca 1,6
Cd 0,0009
Co <0,002
Cr 0,017
Cu <0,02
Fe 0,4
K 0,10
Li <0,001
Mg 0,05
Mn 0,010
Mo <0,0001
Na 0,24
Ni 0,02
Pb 0,008
Ti 0,0024
Zn 0,19

The manufacturing processes for these perfluoroelastomers never adds metallic reagents, fillers or other contaminates to the polymer from its start as a raw material through to final completed seal.

Other standard methods continually add contaminates to the polymer until the seal is completed.
Other standard methods continually add contaminates to the polymer until the seal is completed.
Trace metal analysis of competitive seals, measured in parts per thousand, may reach as high as 10/20 % when metal oxide containing fillers are added.

On the opposite PFX 9010 and PFX 9020's trace metal analysis is measured in parts per million with most elements being near or below the detection limit of the most sophisticated analysis.

The table at the right shows a typical metal content analysis of these material.

SEALING SOLUTIONS

The compound PFX 9020 is a new and innovative chemical resistance Perfluoroelastomer filled with a special semi-crystalline perfluoropolymer filler.
Due to its innovative and unique technology, allows the manufacturing of translucent items with excellent final properties.
The compound PFX 9020 contains a proprietary cure system that improves high temperature performance.

FEATURES & BENEFITS

APPLICATIONS

Excellent final properties without using any metal reinforcer and carbon based fillers
Ultra High Purity
Ultra low Particle Generation
Excellent Chemical Resistance
Outstanding resistance to High Temperature Conditions
Outstanding Steam resistance
Outstanding Compression-set even at very High Temperature

Parts for very demanding sealing applications, where no metal and contaminations are specified
HDPCVD, PECVD, SACVD, Metal CVD
Etching, Ashing, Process Applications
Plasma and Gas Deposition

Typical Properties

Physical Typical Values
Colour Translucent
Polymer Type FFKM
Hardness 80 ShA
Modulus @ 100% Elongation 4,0 Mpa
Tensile strength 17,0 Mpa
Elongation at break 220 %
Compression set 72h @ 250°C (Deflection 25%) 35 %
Thermal
Min/Max Operating Temperature -15/+300°C