Mechanical applications calling
for purpose-built components that can operate in harsh, corrosive
and chemical environments are no longer the sole domain of metals
and alloys.
Specially modified Tetron Fluoropolymer (PTFE)
thermoplastics such as Ticomp S are suitable for the most testing
of such environments, including pumps and valves that demand
outstanding wear properties against soft counter faces.
Food Approved
The FDA-compliant Ticomp S performs in pumps and valves that
are used to transport highly corrosive chemical and other dangerous
goods in industries as diverse as chemical, electrical and electronic,
food processing, manufacturing, mining, pumps and valves, pneumatics
and hydraulics and process engineering media.
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Wear Resistance
Unlike most grades of PTFE, Ticomp S has excellent
wear resistance. The Dotmar EPP Tetron range of stock
shapes has other modified compounds and virgin grades
of PTFE that cover multiple applications in heavy
industries.
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As a virgin material, Tetron is affected
by only a few chemicals and solvents, has outstanding dielectric
properties, can operate continuously at 260ºC, with low
temperature toughness, slippery non-stick surface, and excellent
UV-resistance. |
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But when a filler is added they gain improved
resistance to cold flow, reduced wear and friction, increased
stiffness and surface hardness, improved thermal conductivity
and dimensional stability.
Special filled formulations often incorporate
glass, carbon fibres, graphite, bronze or stainless steel
and a specialty area of polymer fillers including Polyimides.
The characteristics of Tetron surpass those
of conventional insulating materials even at elevated temperatures
and frequencies. This is a characteristic that is seeing Tetron
pin insulators increasingly used in high frequency cable plugs
for coaxial cables. |
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Grades
The Tetron range includes Tetron S as the chemically inert
virgin material; Tetron G is glass filled, Tetron C is carbon
filled, Tetron B is bronze filled; Tetron GR is filled with
glass graphite, and Tetco V and Ticomp S series are modified
for special applications.
Typically, these materials are machined into seals, gaskets,
seats, rings, and expansion bellows, insulators and other
components where the special characteristics of virgin and
modified Tetron are used to bring advantage to mechanical
solutions.
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Delivery Program
Tetron is available ex local manufacture as a stock
shape in rod, sheet and thin section sheet or rolls
together with a range of custom-moulded cylinders
up to 600mm diameter.
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