Being a heat treated version of RT628, RT628H is an improved machining grade meeting NEMA XX for tubes. It has low moisture absorption and good dimensional stability The primary application is in transformers.
Density
ρ1.23 g/cm³ at 23 °C
ASTM D792
Moisture absorption
cmoisture1.3 % at 23 °C
ASTM D570, Condition Dᵢ-24/23
Flammability
UL Bulletin 94, Class HB, Condition A
Relative temperature index, electrical
RTIel130 °C
¹
Relative temperature index, mechanical strength
RTIstr130 °C
¹
Dielectric strength
EDS12.99 - 14.17 kV/mm at 23 °C
ASTM D149, Condition D-48/50 (Min.) & A (Max.)
Application areas
Typical applications are as a replacement for RT629 where improved machining characteristics are needed.
Fillers
Paper
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.