Finishing - Heat & Glo RH-36 Series Owner's Manual

11

Finishing

A. Non-Combustible Materials
Test Method for Behavior of Metals, in a Vertical Tube
Furnace at 750° C
B. Combustible Materials
Table 11.1
R = 1/k x inches of thickness
Table 11.2
Hearth Extension Insulation Alternatives-Total minimum R Value must equal 1.03
Material
Marble
ASTM E 136, Standard
k per inch
thick
C. Hearth Extension
WARNING!
R value
Minimum
r per inch thickness
thick required
High temperatures, sparks,
k value