What I did instead is to paint the doors on the hall side in the same color (but higher sheen) as the walls on that side, and on the inside of the rooms that the doors were attached to I painted the doors the color of the trim in the room.
tabular alumina applications tabular alumina is the material of choice in unshaped and shaped high performance refractories used in a variety of industries steel foundry cement glass petrochemical ceramic and waste incineration other common non refractory applications include its use in kiln furniture and for metal filtration
PC (Polycarbonate) Polycarbonate is an amorphous material with excellent impact strength, clarity, and optical properties. It is very widely used and a wide variety of compounds are available. Polycarbonate has excellent mechanical properties, and can be molded to tight tolerances.