Omniseal Solutions SAINT-GOBAIN HIGH-PERFORMANCE THERMOSET POLYIMIDE MATERIALS

Dimensional Stability at High Temperature Total Process Control... Powder-to-Parts Longer Life at Higher Loads and Speeds Meldin® series materials exhibit extremely high dimensional stability at elevated temperatures. Testing has shown Meldin® materials have less than 0.04% variation from its original dimensions after cycling from 73°F (22.77°C) to 500°F (260°C) over a 2-day period. The material is able to withstand thermal shocks very well, adding to the dimensional stability of the material. One particular grade -Meldin® 7022 - exhibits an extremely low coefficient of thermal expansion, resulting...

Meldin® Thermoset Polyimide Materials A thermosetting polyimide, Meldin® 7001 is our unfilled base resin. This grade offers the maximum mechanical properties and high chemical resistance. The Meldin® 7001 grade is ideal for electrical and thermal insulating applications. More ductile than ceramics and lighter weight than metals, Meldin® 7001 is a popular choice for structural parts in aerospace and other applications where metal replacement is desirable. The purity of Meldin® 7001 in combination with the abovementioned properties make this material the ideal choice for semiconductor applications,...

*Molding Method Codes: Direct Formed (DF), Compression Molded (CM) NOTE: See page 6 for properties of isostatically molded material.

Omniseal Solutions SAINT-GOBAIN MELDIN® 7022 MELDIN® 7211 MELDIN® 7003 DF CM DF CM CM Type II Class 1D Class 2 Form D Type II Class 1D Type II Class 1P Class 2 Form P Type II Class 1P Type II Class 2D Class 3 Form D Type II Class 2D Type II Class 2P Class 3 Form P Type II Class 2P Type II Class 3D Class 4 Form D Type II Class 3D Type II Class 3P Class 4 Form P Type II Class 3P Class 5 Form P Type II

ASTM Meldin® Meldin' Meldin' Meldin® Meldin' NOTE: This data falls within the normal range of properties but should not be used to establish specification limits nor used alone as the basis of design. Omniseal Solutions™assumes no obligation or liability for any advice furnished by it or for results obtained with respect to the products. SPECIFICATION QUALIFICATION ASTM D 6456-99 Standard Specification for Finished Satisfies Type 1M Parts Made from Polyimide Resin AMS SAE 3644G Polyimide, Molded Rod, Bar and Tube, Satisfies Class 1 Plaque, and Formed Parts Form M MIL-R-46198 Resin, Polyimide,...

Omniseal Solutions A - Highly Resistant B - Moderately Resistant C - Reduced Resistance CHEMICAL NAME UL 94 FLAMMABILITY RATINGTOMeldin® 7021 Aerospace Fluid Tests 11000 Test Conditions Measure the tensile strength and % elongation of a control sample and then immersing tensile bars in each fluid for 100 hours and 1000 hours. After each time period, the tensile bars were dried and tested to determine if there were any effects of the immersion in common aerospace fluids. Conclusion As seen in the following graphs, Meldin® 7021 shows no ill effects after long term immersion in common aerospace...

Applications of Meldin® Thermoset Polyimide Materials Meldin® 7001 materials are direct formed and machined for use in critical plasma-cutting torches in the torch handle. These torches create high energy vortex gas streams, and Meldin® parts distribute these gases precisely due to their inherent dimensional stability and machinability. Also, other parts in the torch handle insulate high electrical energy from the user, ensuring safe operation. High impact resistance increases the useful life of this equipment as compared to ceramic alternatives. Our Meldin® 7021 self-lubricating polyimide materials...

Omniseal Solutions SAINT-GOBAIN Self-lubricating grades of Meldin® are used as piston rings and thrust washers in transmissions and pumps for automotive, offroad, agriculture and aerospace, replacing traditional metals in many instances. There are several benefits of using Meldin® series materials instead of the traditional steel materials, such as better conformability, lower leakage, higher P x V ability, lower total part cost (thanks to the very cost-effective Direct Forming process) and emergency dry-running capabilities. By optimizing the design (grooves, type of cut, etc) in house and testing...

Customized Engineering Support and Solutions Omniseal Solutions' Sites for Meldin® Thermoset Polyimide Products Bristol, Rhode Island, USA Saint-Gobain Seals uses its state-of-the-art testing and engineering equipment to support you in your most challenging applications. Tribology Test Rigs Tribology test rigs continuously measure material wear, coefficient of friction, and mating surface temperature over time. A wide range of mating surface materials, surface finishes, and surface hardnesses are available for testing. Test rig options include submerged (wet) testing, as well as externally heated...

Meldin® Thermoset Polyimide Critical Parts and Shapes

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