Rigid carbon and graphite board PDF Yazdır E-posta

Rigid carbon and graphite board
Note: For the carbon and/or graphite felt, it is very important that is 100% Rayon Based, and hi- 
fired to a minimum of 1500 C for Carbon, and at or above 2100 C for Graphite.

Your trace element data for these products is needed for us to analyze.

Dimensions needed: 1/4" thick x 45" width or 1/2" x 45" or 1" x 45" +/- width. 

Carbon and Graphite Soft Felt Specifications:

   (Can you match these?)

   Property                                 Units               Determined at Degrees  C      Carbon Felt     Graphite Felt

   Density                                Lb/cu ft                          20                                   5.5                    5.0

   Shrinkage, Linear                %                             To 3000                              1                     Nil

   Water Absorption              Weight%                      20                                    1                     Nil

   in 90% relative humidity

   Carbon Assay, Min               %                                                                      99                   99.9    

   Ash                                         %                                                                     .25                   .02

   Specific Heat               BTU/lb/deg F                   20                                   .017                 .017

   Sublimation Temp        Deg C                                                                   3600                3600

   Thermal Conductivity   BTU in/hr/sq                1000                                1.75

                                         Ft/deg F                        1400                                                           2.98