transportation market

Elastomer and Thermoplastic Components and Assemblies For Motorized Vehicles

Our Materials, Processes And Design Options Help Make The World Go ‘Round

Minnesota Rubber and Plastics is one of the most experienced manufacturers of elastomer and thermoplastic components and assemblies supplying the sealing needs of the transportation industries since 1945. For both static and dynamic applications, our expertise in engineering design, materials R&D, manufacturing and assembly has made us the preferred supplier for OEM’s around the globe.

We know the demands of the transportation industries require a deep knowledge and experience with end market applications. It also requires component design and materials knowledge for products that function without failure in demanding environments.

Specialized Applications

Today increased regulations and standards, along with more demanding operating environments, challenge materials and designs with aggressive fluids, fuels and longer warranty periods.

  • With passenger cars our high performance plastic capabilities replace more expensive and heavier metal components.
  • In heavy duty trucks our materials expertise provides sealing solutions for reduced weight, noise and increased safety.
  • For agriculture and construction equipment our component designs and assemblies offer cost-effective alternatives.
  • Our rail track and rolling stock products provide excellent vibration & insulation qualities for high speed rail systems in Europe and Asia.

Technology Based

Minnesota Rubber and Plastics broad range of high performance elastomers, fluoroelastomers and thermoplastics, such as PEEK, Aurum®, Torlon® or Ultem® are engineered to meet demanding sealing applications by providing long-term protection against wear, high temperatures and corrosive operating environments.

Our technical design and materials groups can help you solve critical issues so you can manufacture quality products cost-effectively.

Global Reach

Today most companies utilize global sourcing as a key component of their procurement strategy to expand or develop new markets as they look to control costs.

At Minnesota Rubber and Plastics we leverage our experience with your requirements across our North American, Asian and European manufacturing and resource base to design, develop, manufacture and deliver precision components and assemblies. What’s more, our 6 manufacturing facilities are complemented by our global warehousing and logistics operations.

Commitment To Quality

All Minnesota Rubber and Plastics design, development and production facilities operate under corporate wide quality systems including ISO/TS 16949 and ISO 9000. Our facilities also operate under a corporate wide Environmental Management System registered to the International Standards Organization series ISO 14001.

Committed To Innovation While Providing Solutions

Expanding Markets – Decreasing Costs

In our industry we are uniquely positioned to offer both rubber and plastic combination parts. This allows us to provide greater development and production efficiencies, thereby reducing development time and costs.

From prototyping to final production, our state-of-the-art design engineering services provide timely answers to difficult design issues. Our CAD/CAM and FEA systems allow us to offer design alternatives quickly while our tool development and secondary press operations are second to none. Finally, prior to committing to production, our prototyping services provide production quality sample parts for final testing.

Materials R&D

We have an advantage over many rubber and plastics manufacturers because we place a great deal of emphasis on research and development. Our technical support staff provides the resources to design, formulate, develop and test materials and parts.

With elastomers we are known for our bonding and over molding capabilities on metal substrates or on high performance plastics. We use proprietary technologies with both chemical and mechanical bonding to ensure a durable finished part while minimizing production costs.

Our test cell for PEEK transmission seal rings is an example of our materials technologies with high performance plastics. This semi-crystalline polymer is used to replace metal components in many automotive and heavy vehicle transmissions. However, until we developed a PEEK test cell, to document critical wear application data, none was available to industry.

Providing Industry Solutions

At Minnesota Rubber and Plastics our goal is to provide OEM’s, tier one and tier two customer’s with the problem solving solutions critical for their applications. For over 65 years our commitment and dedication to the transportation industries has provided the needed components and assem- blies, while meeting pricing and delivery requirements.

Whatever your elastomer and thermoplastic design challenge we’re here to make your application a reality. By working directly with you and exploring new design and material technologies, you can be certain our recommendations and commitment to your product requirements will meet your expectations.

Thermoplastic Brochure

Components And Assemblies For Demanding Applications

For years, major transportation OEM’s have relied on Minnesota Rubber and Plastics for custom molded components and assemblies that improve the reliability and warranty performance of their products.

From automotive power trains to heavy equipment drive lines, we are known for our quality and innovation. Our experienced design engineers, materials chemists and production groups solve the most difficult sealing and assembly problems with a broad range of thermoset and thermosetplastic compounds and molding processes.

  • Carburetor Fuel Inlet Seat Gaskets
  • Emission Control Valve Seals
  • Fuel Pump Diaphragms
  • Fuel Filter Assemblies
  • Carburetor Pump Seals
  • Carburetor O-Rings
  • Fuel Cap Seals
  • Fuel Pump Seals
  • Wheel Cylinder Seals, Piston Cups, Boots
  • Power Brake Booster Reaction Discs
  • Power Brake Booster Housing Seals
  • Power Brake Booster Float Controls
  • Power Brake Booster Diaphragms
  • Power Brake Booster Grommets
  • Master Cylinder Pressure Seals
  • Master Cylinder Seals
  • Shock Absorber O-Rings
  • Intermediate Rod Seals
  • Idler Arm Seals
  • Tie Rod Seals
  • AC Clutch Pressure Switch O-Rings
  • AC Compressor Diaphragms
  • AC Compressor O-Rings
  • AC Line Coupler O-Rings
  • Thermostat Seals & Plugs
  • Water Pump O-Rings
  • Water Pump Gaskets
  • Heater Core Gaskets
  • Thermostat Gaskets
  • Radiator Gaskets
  • Thermostat Boots
  • Master Cylinder Dirt Excluders
  • Master Cylinder Diaphragms
  • Master Cylinder Grommets
  • Master Cylinder O-Rings
  • Caliper Support Bushings
  • Caliper O-Rings
  • Steering Gear Mounting Isolators
  • Power Steering Pump O-Rings
  • Steering Gear O-Rings
  • Transmission Converter Seals
  • Transmission O-Rings
  • Thrust Washers
  • Seal Rings
  • Gaskets
  • Sensor Housing Seals
  • Air Bag Sensor Seals
  • Armature Bumpers
  • Connector Seals
  • Intake Manifold Gaskets
  • Oil Pump Gasket
  • Rear Axle Seals
  • CVJ Boots

Solving Design Problems With Materials Expertise High Performance Plastics

Custom Molded Components And Assemblies

Minnesota Rubber and Plastics is a specialist in working with the design, development and production of components made from high performance plastics. In particular, we are focused on producing parts made from PEEK, PEI, PI and PAI.

Superior Performance

If your applications are unique or have demanding requirements, a high performance polymer could provide you with a material and design solution for:

  • Chemical resistance
  • Conformability
  • Dimensional stability
  • Flexibility
  • Injection moldable
  • Lightweight
  • Machine-ability
  • Metal replacement
  • Noise reducing
  • Self lubricating
  • Temperature extremes

From their mechanical to their thermal properties, high performance polymers provide design engineers, and their applications, with valuable design and end use options.

End Use Applications Include:

  • Bearings
  • Bushings
  • Retainers
  • Thrust Plates
  • Thrust Washers
  • Rotary Seal Rings
  • Gears
  • Poppets

Application Environments Include:

  • Valves
  • Pumps
  • Compressors
  • Fuel Systems
  • Transmissions
  • Steering Systems
  • Suspension Systems
  • Torque Converters

Superior Capabilities:

We add value to our design and material capabilities by providing services that include specialty compounding (PTFE, carbon fiber, glass, aramide, graphite), product testing, assembly and packaging.

Along with our elastomer expertise we specialize in finding solutions for tough applications which require the molding and assembly of close tolerance components. Our capabilities allow us to offer:

  • Complete and unified project management
  • Combined capital and project management
  • Unified technology to assist with design recommendations
  • Unified project management to accelerate time-to-market

High Temperature Resistant Thermoplastics:

Acronym Polymer Continuous Use Temp (°F) Glass Transition Temp (°F) Specific Gravity HDT @264 psi HDT @66 psi
PPS Polyphenylene Sulfide 400-450 198 1.65/1.47 300-550°F 400-500°F
PEEK PK Polyetheretherketone 400-450 290 1.61/1.46 350-610°F 500-640°F
Amodel® PPA Polyphthalamide 400-450 274 1.53/1.39 530-545°F 560-574°F
PSO-PSU Polysulfone 300-340 374 1.56/1.41 340-360°F 350-370°F
PES Polyethersulfone 350-400 435 1.68/1.52 400-460°F 420-460°F
Ultem® PEI Polyetherimide 350-400 415 1.59/1.44 390-420°F 400-440°F
Aurum® PI Polyimide 550 482 1.44 475°F
Torlon® PAI Polyamide Imide 482 527 1.42/1.68 534°F

For more information see our 8 page brochure on Elastomer and Thermoplastic Components.