Vespel® SP-1 & Meldin® 7001 Polyimide Rods Comparative Material Data Sheets – ISO Properties
Vespel® SP-1 Overview from DuPont:
Made from DuPont`s unfilled base polyimide resin, Vespel® SP-1 provides maximum physical strength, elongation and toughness, combined with best electrical and thermal insulation properties of all Vespel grades.
Typical applications include spacers, soldering fixtures, valve seats, balls, gaskets, poppets and static seals.
Meldin® 7001 Overview from Saint Gobain:
Made from Saint Gobain`s unfilled polyimide base resin, Meldin® 7001 grade offers the maximum mechanical
properties and high chemical resistance in a thermosetting polyimide. Meldin 7001 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.
| Property | ASTM Method | Units | Vespel® SP-1 | Meldin® 7001 |
| Mechanical | | | | |
| Tensile strength 73℉(23℃) | D-638 | psi(Mpa) | --- | 12,500(86) |
| Tensile strength 73℉(23℃) | D-1708 | Mpa(kpsi) | 86.2(12.5) | --- |
| Tensile strength 500℉(260℃) | D-638 | psi(Mpa) | --- | 5,400(37) |
| Tensile strength 500℉(260℃) | D-1708 | Mpa(kpsi) | 41.4(6.0) | --- |
| Elongation 73℉(23℃) | D-638 | % | --- | 7.5 |
| Elongation 500℉(260℃) | D-638 | % | --- | 4.5 |
| Flexural Strength 73℉(23℃) | D-790 | psi(Mpa) | --- | 15,200(105) |
| Flexural Strength 73℉(23℃) | D-790 | Mpa(kpsi) | 11 0.3 (16.0) | --- |
| Flexural Modulus 73℉(23℃) | D-790 | psi x 105(Gpa) | --- | 4.6(3.2) |
| Flexural Modulus 73℉(23℃) | D-790 | Mpa(kpsi) | 310 2 (450) | |
| Compressive Stress 1% Strain | D-695 | psi(Mpa) | 3,600 (24.8) | 3,300(22.7) |
| Compressive Stress 10% Strain | D-695 | psi(Mpa) | 19,300(133.1) | 18,000(124) |
| Compressive Modulus | D-695 | psi x 105 (Gpa) | --- | 2.9(2.0) |
| Compressive Modulus | D-695 | Mpa (kpsi) | 2413(350) | --- |
| Poisson's Ratio 73℉(23℃) | | | 0.41 | 0.33 |
| Thermal | | | | |
| Coefficient of Linear Expansion 75℉ to 500℉(24℃ to 260℃) | E-831 | in/in/℉ x 105 (m/m/℃) | --- | 2.7(5.0) |
| Coefficient of Linear Expansion 73℉ to 500℉(23℃ to 260℃) | D-696 | in/in/℉ (m/m/℃) | 45 (25) 54(30) | --- |
| Electrical | | | | |
| Dielectric Strength | D-149 | V/Mil | 320 | 450 |
| Dielectric Strength | D-149 | MV/m | 22 | 18 |
| Other | | | | |
| Specific Gravity | D-792 | | | |
| Water Absorption | | | 1.43 | 1.43 |
| 24 Hours 73℉(23℃) | D-570 | % | 0.24 | 0.23 |
| 48 Hours 122℉(50℃) | D-570 | % | 0.72 | --- |
| Equilibrium , 50% RH | D-570 | % | 1.0-1.3 | --- |
| Specification Qualifications | | | | |
| ASTM D 6455-99 | | Satisfies | Type 1M | Type 1M |
| AMS SAE 3644G | | Satisfies | Class 1, Form M | Class 1, Form M |
| MIL-R-46198 Resin,Polyimide ,Hot Pressed or Pressed and Sintered | | Satisfies | Type 1M | Type 1M |
Results bassed on published factory data sheets for isostatically produced rods
This data falls within the normal range of properties but should not to used to establish specification limits nor used alone as the basis of
design. Professional Plastics assumes no obligation or liability for any advice furnished by it or for results obtained with respect to these
products. Actual properties may vary. Isostatic rod properties shown above exceed those of compression-molded or direct-formed parts.
DuPont & Saint Gobain each perform tests to different ASTM specifications so certain side-by-side comparisons were not available.
• Vespel® is a registered trade name of EI DuPont DeNemours
• Vespel® Data Source: http://www2.dupont.com/Vespel/en_US/assets/downloads/vespel_s/Vespel_SP-1_ISO.pdf
• Meldin® is a registered trade name of Saint Gobain Performance Plastics
November 04, 2024
November 03, 2024
August 27, 2021
August 26, 2021
PVDF Application Areas Different models of PVDF products are suitable for different application scenarios. According to application fields, PVDF can be divided into conventional grade products and...
Application Performance Advantages of MC nylon MC nylon is a new type of engineering plastics, due to its outstanding comprehensive performance, so that its status in engineering plastics is rapidly...
Types of nylon: 1. Nylon - 6 (PA6) Nylon -6, also known as polyamide -6, that is, polycaprolactam. Translucent or opaque opalescent resin. 2. Nylon - 66 (PA66) Nylon-66, also known as polyamide-66,...
What are the common machining methods used for PTFE parts processing? PTFE parts processing commonly used machining methods are: Molding Molding is suitable for processing simple parts directly once...
Email to this supplier
November 04, 2024
November 03, 2024
August 27, 2021
August 26, 2021
Tel: 86-852-34604012
Whatsapp: +86 18680371609
Address: FLAT/RM B 5/F GAYLORD COMMERCIAL BUILDING 114-118 LOCKHART ROAD WANCHAI HONGKONG, HONGKONG China Hong Kong
Website: https://www.honyplastic.com
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
