RTB320X is composed of an extra-fine weave woven cotton fabric combined with a phenolic resin system to produce a tube product that has superior machining capability with smooth, fiber free surfaces. RTB320X also complies with MIL-I-24768/13, Type FBE, ASTM D709 Type II Grade LE, Federal Specification WW-L-2887 and IEC 61212-3-1 PF CC 21.
Density
ρ1.29 g/cm³ at 23 °C
ASTM D792
Moisture absorption
cmoisture1.2 % at 23 °C
ASTM D570, Condition Dᵢ-24/23
Flammability
UL Bulletin 94, Class HB, Condition A
Relative temperature index, electrical
RTIel125 °C
¹
Relative temperature index, mechanical strength
RTIstr125 °C
¹
Dielectric strength
EDS7.48 kV/mm at 23 °C
ASTM D149, Condition A
Application areas
Typical uses include retainers for ball-bearings and applications that require fine machining characteristics.
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.
This material data has been provided by Norplex Micarta.