Tubular Reflex type Transparent type Sight glasses Metal-to-glass Float type Glass
Glass
Glass Coated Teflon PFA(0.250mm) Circular Type/Gage Glass Type
Non-Corrosion
Non-Sticking
Left. Common glass corroded by caustic soda.
Right. KLEARCOAT glass. not corroded
Resulf of the test of non-stick property.
35seconds ofter dipped crude oil