Flexible Diaphragms
Gain increased diaphragm reliability for better fuel handling and emissions
control
 Silastic® brand
silicone and fluorosilicone elastomers from Dow Corning can help you
develop durable fuel- and emission-system diaphragms.
Molded diaphragms with Silastic elastomers can provide reliable
long-term retention of mechanical
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strength, shape, flexibility and resistance to fuels, oils and solvents
exhaust byproducts. These elastomers:
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Deliver the same level of flexibility in extreme heat and extreme
cold.
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Withstand continuous flexing without stress cracking.
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Resist swelling, even with prolonged immersion in gasoline or diesel
fuel.
Fluorosilicone elastomers withstand tough conditions
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Resist fuels, oils and solvents that can degrade many organic
elastomers.
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Resist compression set and flex fatigue when exposed to harsh fluids and
extreme temperatures.
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Maintain tear and tensile strength in hostile environments.
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Maintain mechanical properties over a wide temperature range from -40 to
200°C
(-40 to 392°F).
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Can be custom compounded to meet requirements for heat aging, fuel
resistance and swelling characteristics.
Rely on Silastic brand elastomers to meet your diaphragm
durability needs
Silastic silicone
elastomers used in diaphragms for exhaust gas recirculation (EGR) valves
withstand exposure to unburned fuel. Fluorosilicone elastomers are
excellent choices for anti-drainback valves (ADBV) and transducer applications
where resistance to fuels and flex fatigue is critical.
Get the flexible diaphragm
materials and support you need for powertrain fuel handling and emission
control.
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Technical resources
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Innovation support
See how our materials expertise and
service support can help you
overcome design, production and performance challenges and bring new products
to market faster.
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Get a product suggestion
Let us suggest products to meet your flexible diaphragm application needs.
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Request a customized material
Get the material properties and performance you require.
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See additional powertrain solutions
In addition to specialty sealants, elastomers and lubricants, we also offer more material options
for other powertrain applications.
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