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           Vespel

 

  • Vespel SP-1 - Unfilled. Maximum strength & elongation; lowest modulus & thermal conductivielectricalproperties.
  • Vespel SP-21 - 15% graphite (by weight). Enhances inherent wear resistance, improves long term thermal stability.
  • Vespel SP-22 - 40% graphite (by weight). Gives low coefficient of thermal expansion. Maximum creep resistance.
  • Vespel SP-211 - 15% graphite and 10% TEFLON® fluorocarbon resin (by weight). Lowest static friction.
  • Vespel SP-3 - 15% MoS2 (by weight). Best wear performance in dry environments.

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Vespel SP1 - First in the Dupont Vespel family of products - highly durable polyimides that deliver exceptional wear resistance, insulation, and a low coefficient of friction. Within the S Line, Vespel Parts and Shapes include many products with differing sets of attributes.

Superior wear properties, best electrical and thermal insulation for:

Insulators
Valve seats
Balls
Gaskets
Poppets
Wafer clamping
Clamping rings
In-chamber semiconductor parts

Benefits

Unfilled resin
Operating temps from cryogenic to 300°C (570°F)
Ultra high purity
Minimal electrical and thermal conductivity
Maximum strength and elongation
Low outgrassing
Improved tech uniformity

Excellent wear for longer life

 

 


 

Vespel SP21 - If insulation is less important than low-friction properties, then you're looking for graphite-enhanced SP-21. Automotive engineers love to use SP-21 for parts like thrust washers, bearings and seals - because the low-friction properties mean they work with or without lubrication.

Superior wear and low-friction properties for:

Thrust washers
Seal rings
Valve seats
Bearings
Seals

Benefits

Low wear at high bearing PVs
Low coefficient of friction
Long-term thermal stability
High stiffness
Low elongation
Outstanding performance with or without lubrication
Good strength and impact resistance

 

 


Vespel SP211 - Need a lower coefficient of friction than SP-21? Not as concerned about thermal and wear resistance? Then SP-211 could be your solution. With Teflon PTFE as an additive, the coefficient of friction is further reduced, even without lubrication.

Lowest coefficient-of-friction parts in both dry and lubricated applications such as:

Sliding and linear bearings
Bushings
Thrust washers
Seal rings

Benefits

Low wear at high bearing PVs
Low coefficient of friction
Teflon filled
Superior unlubricated wear
Excellent creep resistance
Wear resistant up to 300 F
Good tensile strength, elongation and flexural modulus

 

 


Vespel SP22 - Designing with tight tolerances? SP-22 is the answer. When you've no room for error, SP-22's minimal thermal expansion and dimensional stability give you the freedom to create exactly what you've imagined.

Graphite-enhanced polyimides for tight-tolerance applications:

Bearings
Thrust washers
Seal Rings
Ferrules
Sleeves
Strips
Vanes

Benefits

Enhanced resistance to friction and wear
Minimal thermal expansion
Maximum thermal conductivit
High temperature resistance
Improved dimensional and oxidative stability
Minimum elongation

 


Vespel SP3 - Of course, working in vacuum and dry environments has its own challenges. Aerospace engineers have to worry about extra difficulties like outgassing. But SP-3 has proven high performance in aerospace applications, largely due to its ultra-low outgassing.

Excellent performance in vaccuum and dry environment applications including:

Bushings
Bearings
Piston Rings
Seals
Gears

Benefits

Maximum wear and friction resistance in vaccums and other dry environments
Ultra-low outgrassing
High performance in aerospace applications

 

 


Vespel SCP5000 - Materials designed for those demanding applications that require even more toughness, thermal stability and chemical resistance than ST-2010. SCP-50094 has been put to the test in ultra-high-stress environments like aircraft engines. So, it's ready for just about any design challenge. But for better plasma resistance, dimensional stability and chemical resistance than SP-1.

Unfilled resin designed to improve strength, temperature resistance and dimensional stability in:

Semiconductor applications
Automotive
Aircraft engine parts

Benefits

Ultra-high purity
High thermal oxidative stability
High stiffness

 

 


Vespel SCP50094 - Materials designed for those demanding applications that require even more toughness, thermal stability and chemical resistance than ST-2010. SCP-50094 has been put to the test in ultra-high-stress environments like aircraft engines. So, it's ready for just about any design challenge. But for better plasma resistance, dimensional stability and chemical resistance than SP-1, check out SCP-5000.

Unfilled resin designed to improve strength, temperature resistance and dimensional stability in:

Semiconductor applications
Automotive
Aircraft engine parts

Benefits

Excellent thermal oxidative stability
High stiffness
Excellent dimensional stability
Lowest CTE

 

 


Vespel CR6100 - A Teflon® PFA body, reinforced with high-tensile-strength carbon fiber - CR-6100 offers excellent chemical resistance while exhibiting superior resistance to creep - even up to 288°C (550°F)! It also provides excellent wear resistance and easy machinability for tight-tolerance application. Add in a CTE lower than steel in the x-y plane (due to planar carbon-fiber reinforcement), and you have an ideal material for a variety of applications.

The ultimate in chemical and creep resistance for:

Valve plates, seats and seals
Pump and compressor components
Gaskets
Thrust washers
Mechanical seals, wear strips and plates
Bearings and bushings
Grinding, lapping and polishing components

Benefits

Outstanding creep resistance - even up to 288°C (550°F)
Excellent chemical and wear resistance
Easy machinability for tight-tolerance applications
Virtually no water absorption
Ideal for chemical and petroleum processing applications
CTE lower than steel

 

 


Vespel SP202 - DuPont Vespel SP202 polyimide parts and shapes decrease electrostatic loading in the manufacturing and handling of flat glass panels for liquid crystal displays and plasmas. They are ideal for use with products that are handled in high-temperature, vacuums or reactive environments.

Parts such as placing pins or pads and roller guides made from Vespel® SP-202 combine consistent levels of electrical conductivity with an unmatched combination of thermal resistance, wear resistance, moisture resistance, toughness, strength and machinability. Vespel® SP-202 parts demonstrate surface resistivity below 10³ ohms/square. Results of further tests to establish other typical characteristics will be available in the near future.

Vespel SP-202 provides electrical conductivity and thermal resistance for:

Pads/stoppers for glass/wafer contact in sputter/CVD chamber
Pads/balls for glass/wafer transfer process

Physical Properties

Antistatic
Good machinability
Excellent thermal resistance

 

 


Vespel ST2010 - Want a material that wears like SP21, but with improved toughness and better thermal oxidative stability? Consider ST2010 or ST2030. These products even include better resistance to solvents, acids and bases.

Fiber-reinforced polyimide resins ideal for:

Valve seats
Seals
Bearings
Washers
Seal rings
Ferrules
Wear pads

Benefits

Excellent wear
High oxidative
Outstanding strength

 


Vespel ST2030 - Want a material that wears like SP21, but with improved toughness and better thermal oxidative stability? Consider ST2010 or ST2030. These products even include better resistance to solvents, acids and bases.

Fiber-reinforced polyimide resins ideal for:

Valve seats
Seals
Bearings
Washers
Seal rings
Ferrules
Wear pads

Benefits

Excellent wear
High oxidative
Outstanding strength