PHOTOGRAPH 927
MODIFIED MODEL HC-850 with internal filtration, Serial No. 530072
for curing Teflon

-maximum operating temperature: 750 F
-work space dimensions: 50" wide x 50" deep x 50" high
-64 KW installed in Incoloy sheathed tubular heating elements
-3300 CFM, 2-HP recirculating blower providing horizontal airflow
-6" insulated walls
-aluminized steel exterior
-Type 304, 2B finish stainless steel interior with continuously backwelded seams
-safety equipment for handling flammable solvents including explosion venting door hardware
-24" x 24" x 6" thick HEPA fresh air filter with 2" prefilter
-two (2) 24" x 24" x 6" thick stainless steel high temperature HEPA recirculating filters
-digital programming temperature controller
-10" diameter circular chart recorder
-30 hour shut down timer