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Polyimide and high-performance thermoplastic materials

Polyimide and high-performance thermoplastic materials
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Polyimide and high-performance thermoplastic materials

Product catalog summary
Overview
MELDIN® materials are high-performance thermoplastics and polyimides designed for applications where metals and other materials fail. They are available in various forms such as machined parts, stock shapes, and custom molded components. These materials can operate across a wide temperature range, from cryogenic to 600°F (315°C) continuously, and up to 900°F (482°C) intermittently.
Product Series
  • MELDIN® 1000 Series: Known for structural integrity, low deformation, and excellent chemical resistance, ideal for piston rings, thrust washers, and bushings.
  • MELDIN® 2000 Series: Offers low outgassing, high tensile strength, and excellent compressive strength, suitable for high-load and high-temperature applications.
  • MELDIN® 3100, 5000, 8000 & 9000 Series: Each series has unique properties tailored for specific applications, including high strength, rigidity, and self-lubricating properties.
Key Features
  • Temperature Resistance: Effective from cryogenic temperatures to 600°F (315°C) continuously, with intermittent use up to 900°F (482°C).
  • Self-Lubricating: Provides maintenance-free service in demanding applications.
  • Manufacturing Flexibility: Available through various processes including compression molding, injection molding, and machining.
Applications
  • Appliance Applications: Used for components requiring superior wear life without lubricants.
  • Vehicle Components: Ideal for transmission bearings and fuel pump bearings due to wear and chemical resistance.
  • Compressor Scroll Tip Seals: Offers superior wear resistance and deformation properties.
  • Bearing Applications: Suitable for motors, industrial equipment, and machinery.
  • Welding Equipment: Enhances wear life in high-temperature environments.
Technical Properties
The document provides detailed technical specifications for each MELDIN® series, including tensile strength, flexural strength, compressive strength, and thermal properties, highlighting the materials' capabilities in maintaining structural integrity and performance under extreme conditions.
Specifications
  • Electrical Properties: Includes volume resistivity and dielectric constants at various frequencies, measured according to ASTM standards.
  • Mechanical Properties: Details tensile strength, tensile modulus, elongation, flexural strength, and compressive strength for different MELDIN® grades.
  • Thermal Properties: Provides coefficient of thermal expansion, heat deflection temperature, and thermal conductivity.
  • General Properties: Lists specific gravity, hardness, and water absorption rates.
Principal Features
  • MELDIN® 3100 Series: Known for excellent mechanical properties, broad design flexibility, no post-cure requirement, good chemical resistance, and superior weld line strength.
  • MELDIN® 5000 Series: Offers toughness, durability, and a complete product offering with diverse applications, suitable for high-performance bearings and other components.
Applications
  • Heavy Equipment: Used in industrial rotating equipment for wear resistance and load-bearing properties.
  • Automotive Interiors: Utilized in power seats for high-pressure loading and quiet operation.
  • Compressor Components: Provides chemical compatibility and wear resistance.
Material Grades
  • MELDIN® 3110: Low coefficient of friction, suitable for soft mating surfaces.
  • MELDIN® 3120: Multi-purpose, wear-resistant material.
  • MELDIN® 3130: Good strength and stiffness, suitable for high-velocity performance.
  • MELDIN® 3140: Ideal for thrust washer applications.
Manufacturing Processes
Includes compression molding, injection molding, direct forming, and machining.
Technical Graphs and Testing
Tribology test rigs measure material wear and friction, supporting customized engineering solutions.
Conclusion
MELDIN® materials are engineered to solve complex design challenges in various industries, offering a combination of high performance, durability, and versatility. They are particularly effective in applications where traditional materials like metals and ceramics fall short.
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Catalog excerpts

Polyimide and high-performance thermoplastic materials-1

Polyimide MELDIN and High-Performance Thermoplastic Materials • Temperature from Cryogenic to 600°F (3150C) • Intermittently up to 900°F (4820C ) • Self-lubricating properties Ava i l a b l e a s: • Machined part • Stock shape • Custom molded

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Saint-Gobain Performance Plastics Corporation has built a reputation for innovation through the development of high-performance polymer components, solving the most demanding design problems. Many products are in use today only because our parts have out-performed and replaced metals, ceramics, and inferior plastics in critical applications. The variety of manufacturing processes offered by Saint-Gobain Performance Plastics will provide you with numerous design possibilities and customized engineered solutions. Depend on Saint-Gobain Performance Plastics for materials technology... and more....

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Typical Properties Max. Tensile Strength @RT Max. Flexural Strength @RT Max. Flexural Modulus @RT Max. Compressive Strength @RT Max. Heat Deflection or Use Temp. High Temperature Corrosive Water Steam Manufacturing Process Compression Molding X Injection Molding X X Available Shapes Rods X Sheets X Finished Parts or Near Net Shape X X Machined Parts X X X Design Performance With MELDIN® Materials These materials, available in custom molded and machined components and stock shapes for machining, retain their critical properties over a temperature range from cryogenic through +600ºF (315ºC) for...

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Principal Features of MELDIN 1000 Excellent Chemical Resistance Even at elevated temperatures, most MELDIN® 1000 grades have superior resistance to chemicals ranging from acids to oils and solvents to fuels, and even to high temperature steam. Plus the MELDIN® 1380 grade works well in applications that have food contact. Good Dimensional Stability MELDIN® 1000 materials exhibit low coefficients of thermal expansion, which aid these components when functioning addition, these materials have low creep and low water absorption, which also allows designers to specify close clearances in moving mating...

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MELDIN® 1003 components offer the highest level of strength and rigidity for this product family. They maintain high chemical, tensile, and flexural properties even at elevated temperatures. Specify MELDIN® 1277 when the product requirements call for structural integrity also exhibits good electrical insulative properties and dimensional stability. MELDIN® 1357 offers the lowest wear rate and coefficient of friction, which makes it the best candidate for tribological applications. In addition, its self-lubricating properties allow it to operate quietly in dry operating Specify MELDIN® 1380 for...

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Compressor Scroll Tip Seals For scroll tip seal applications, MELDIN® 1000 series materials provide some parts with superior wear resistance properties, and superior deformation properties over those of standard PTFE scroll tip seals. Appliance Applications MELDIN® 1000 series components are used in appliance applications due to their superior wear life and ability to operate without the need for any oils or lubricants. In addition, the MELDIN® 1380 grade complies with the FDA Title 21 CFR regulations for contact with articles intended for repeated use in contact with food. Vehicle Components...

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Typical Properties of MELDIN 1000 ® TEST METHOD ENGLISH (METRIC) MECHANICAL @ RT Tensile Strength Tensile Modulus Flexural Modulus Flexural Strength Compressive Strength Izod Impact Strength (notched) THERMAL Coefficient of Thermal Expansion Heat Deflection Temperature Thermal Conductivity Surface Resistivity GENERAL Specific Gravity Water Absorption Compressive Strength Compressive Strength

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Principal Features of MELDIN 2000 ® Excellent Tensile Strength and Elongation MELDIN® 2000 materials exhibit superior tensile strength and elongation properties, even at elevated temperatures, providing the mechanical integrity necessary for the most demanding applications. High Compressive Strength With an ultimate compressive strength of over 40,000 psi and a usable limit of 34,000 psi at 10% strain, MELDIN® 2001 provides the highest resistance to compressive failure of any of the MELDIN® 2000 compositions. The additional formulations, however, also offer excellent compressive properties. High...

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This material is best suited for thermal and electrical insulation and radiation resistance. MELDIN® 2001 has the highest compressive properties of any material in the series. The MELDIN® 2030 bearing compound operates with extremely low friction in both dynamic and static applications, and provides thermal and electrical insulation. MELDIN® 2211 offers the balanced properties of low friction, high strength and resistance to compressive creep. Product availability: A multi-purpose bearing grade for high temperature and high load applications, MELDIN® 2021 maintains its strength and rigidity at...

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Glass Handling Equipment In glass bottle production, MELDIN® take-out inserts and grippers are used for mold removal and transfer of red-hot bottles. MELDIN® components improve bottle quality and production yield. Due to their low thermal conductivity, they reduce microcracking caused by rapid, non-uniform cooling. Bearing Applications MELDIN® materials can be used for very demanding bearing applications in motors, general industrial equipment and machinery, and business machines. Welding or Plasma Cutting Equipment Because of their high temperature capabilities, MELDIN® materials improve wear...

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Typical Properties of MELDIN 2000 ® TEST METHOD ENGLISH (METRIC) MELDIN® 2001 MELDIN® 2021 MELDIN® 2030 MECHANICAL @ RT Tensile Strength Ultimate Elongation Ultimate Tensile Modulus Flexural Strength Ultimate Flexural Modulus Coefficient of Thermal Expansion Surface Resistivity Water Absorption Outgassing Outgassing Tensile Strength Ultimate Elongation Ultimate Compressive Strength Ultimate Compressive Strain Yield Compressive Modulus ASTM D695 modified ASTM D695 modified Compressive Strength Yield Tensile Modulus OTHER Outgassing Specific Gravity Dielectric Strength ELECTRICAL Volume Resistivity...

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