1. STEEL ALUMINIUM PLASTICS GLASS
MATERIAL
STEEL
ALUMINIUM
PLASTICS
GLASS
K.F. Chan (Mr.)
MEBS

2. STEEL Bending, pressing, spinning Stoved enamel Resin Vitreous enamel
K.F. Chan (Mr.)
MEBS

3. ALUMIMUM Spun Louvres of fluorescent luminaires
Good reflectances up to 0.9
Cast grade LM6 good for corrosion resistance
Anodized
K.F. Chan (Mr.)
MEBS

4. Aluminum reflector - specular
K.F. Chan (Mr.)
MEBS

5. Aluminum reflector - matt
K.F. Chan (Mr.)
MEBS

6. K.F. Chan (Mr.)
MEBS

7. Aluminum reflector - elliptical
K.F. Chan (Mr.)
MEBS

8. PLASTICS ACRYLICS Sheets or granules Clear, opal, colored
Pressing/extruding
Thermoplastics
POLYSTYRENE
Less stable
Brittle
cheaper
K.F. Chan (Mr.)
MEBS

9. Bare batten
K.F. Chan (Mr.)
MEBS

10. GLASS Heavy, not common for fluorescent luminaires
UNIVERSITY OF HONG KONG
Faculty of Engineering
M.Sc.(Eng) in Building Services
MEBS 6002 Lighting Engineering
GLASS
Heavy, not common for fluorescent luminaires
Resistant to abrasion
Easily blown into different shapes
Easily colored
Preferable to plastics in decorative tungsten lighting
K.F. Chan (Mr.)
MEBS
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