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Silicones from Dow Corning
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Content Guide

CVJ Boots

Seal and protect constant-velocity joints while reducing vehicle mass

Choose proven Silastic® brand silicone elastomers from Dow Corning for flexible, long-lasting CVJ boots that provide excellent sealing at all temperatures and help improve driveline reliability.

Long-lasting silicone rubber CVJ boots

BREAKING NEWS:CVJ_breaking_news

Silastic® HCM 60-1225-GRAY
Silicone Rubber

Get superior fatigue resistance in extreme heat and cold. New high-consistency silicone rubber from Dow Corning shows high fatigue life, stretching and flexing for millions of cycles, beyond the durability of other HCR elastomers. Potential applications include CVJ boots, exhaust hangers, engine mounts, and NVH control components.

Download sample card  (PDF)     Sample Request

Silicone rubber CVJ boots can help:

  • Deliver long-term sealing reliability to keep grease in and dust and dirt out.
  • Reduce vehicle mass by eliminating heat shields on inboard joints near the engine.
  • Extend constant-velocity joint life and reduce maintenance.
  • Reduce component costs with custom compounds and processing options.

Silicones can extend joint reliability in advanced driveline design
CVJ boots, fabricated with Silastic silicone rubber:

  • Remain flexible without leaking in searing heat and freezing cold.
  • Withstand mechanical and chemical attack to provide severe-duty reliability.
  • Resist deformation at high speeds and extreme joint angles.
  • Provide superior sealing and aging performance over a wider temperature range than many organic rubbers can handle – from -40 to 200°C (-40 to 392°F).

Select Silastic brand elastomers for processing options
Meet your requirements for higher productivity, lower cost and special performance attributes with standard blends and custom compounds of:

Molykote® brand grease on constant-velocity joints reduces wear and increases reliability.

Get the CVJ boot materials and support you need to help improve driveline reliability.

Talk to Us
  • Get a product suggestion
    Let us suggest products to meet your constant-velocity joint (CVJ) sealing needs.
Product Suggestion
  • Request a customized material
    Get the material properties and performance you require.
Special Request
  • See additional powertrain solutions
    In addition to specialty sealants, elastomers and lubricants, we also offer more material options for other powertrain applications.

View more solutions for powertrain applications

Radiator/intercooler seals
Engine seals, gaskets
Engine mounts
Muffler hangers, dampers
Turbocharger/intercooler hoses
Coolant/radiator hoses
Powertrain component lubrication
Dry-film corrosion protection
Fuel quick-connect seals
Flexible diaphragms
Piston anti-friction coatings
Vibration & wear control
Other powertrain solutions

Learn more

Improve Efficiency, Smoothness, Durability: Smart Science Drives Powertrain Systems Innovation (1.10 MB PDF)

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Silicone fluids transmit power more uniformly. In modern viscous clutches, silicones provide long service life at high temperatures and shear rates, minimum loss of torque and near constant viscosity.

Learn more about silicone fluids for viscous coupling.

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