MC330 Phenolic Sheet – High-Strength Cryogenic Cotton‑Resin Composite
Grade MC330 is a cotton cloth/phenolic resin composite which is specially processed to be used in cryogenic applications.
Properties
General
| Property | Value | Testing Standard | Comment |
|---|---|---|---|
Bonding strength | 1043.26 Kg | ASTM D229 | Condition D-48/50 |
1133.98 Kg | ASTM D229 | Condition A | |
Density | 1.37 g/cm³ | ||
Moisture absorption | 3.5 % | Condition D₁-24/23 |
Mechanical
| Property | Value | Comment |
|---|---|---|
Compressive strength | 234.4 MPa | Condition A |
Flexural modulus | 10.3 GPa | Condition A, Transverse |
11.0 GPa | Condition A | |
Flexural strength | 117.2 MPa | Condition A, Transverse |
126.9 MPa | Condition A | |
Hardness, Rockwell M | 100 [-] | |
Impact strength, Izod unnotched, ASTM | 175 J/m | Condition E-48/50, Transverse |
195 J/m | Condition E-48/50 | |
Shear strength | 96.5 MPa | Transverse |
Tensile strength | 82.7 MPa | Condition A |
Thermal
| Property | Value | Testing Standard | Comment | ||
|---|---|---|---|---|---|
Coefficient of thermal expansion | 2e-05 1/K | IPC-TM 650-2.4.24 | |||
2.2e-05 1/K | IPC-TM 650-2.4.24 | Transverse | |||
Relative temperature index, mechanical strength | 125 °C | ¹ | |||
Arc resistance | 15 seconds, ASTM D495, Condition A | ||||
Flammability | UL 94, Class HB, Condition A | ||||
Electrical
| Property | Value | Testing Standard | Comment |
|---|---|---|---|
Breakdown voltage | 5 kV | Condition D48/50 | |
20 kV | Condition A | ||
Comparative tracking index | 155 V | ASTM D3638 | |
Dielectric strength | 5.91 kV/mm | Condition D48/50 | |
15.75 kV/mm | Condition A |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Applications include spacers for installation of liquid oxygen apparatus where temperatures are as low as minus 320 F. | |
| Fillers | Cotton Fabric | |
| Other | 1.This temperature is a recommendation only, and based upon experience in various applications. The maximum operating temperature is dependent upon the application and should be investigated prior to use 2.The mechanical properties are converted from American unit system to International unit system. | |
| Supplier Disclaimer | This data, while believed to be accurate and based on reliable analytical methods, is for informational purposes only. The terms and conditions of the agreement under which it is sold will govern any sales of this product. Data supplied above are "typical values"; not to be considered "specification values". To assure the material's performance is adequate for a specific application; customers should verify, independent of Norplex-Micarta, performance characteristics of interest. It is the responsibility of the users of this information to make sure that they have the latest version of this TDB, and are urged to check with Customer Service or, preferably our web site, www.norplex-micarta.com, to determine if the information is the most current available. | |
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