Reflective Lighting

GREEN000

Active Member
Reflective Chart

Material: percent reflected
foylon 94-95
mylar 90-95
flat white paint 85-93
semi-gloss white 75-80
flat yellow 70-80
aluminum foil 70-75
black less then 10


Reflective light:
Flat white contains little or no light-absorbing pigment, so it absorbs almost no light and reflects almost all light. Do not use glossy white it contains varnish that inhibits reflective light. A matte texture provides a more reflective surface.
Foylon is a reflective material that reflects light and heat in an evenly dispersed pattern. It is durable, and it reflects about 95% of the light that hits it. The material is plied with ripstop fiber and is thick enough to act as a isulater. It's also heat and flame resistant.
Mylar provides one of the most reflective surfaces possible. Mylar looks like a very thin mirror. Unlike light-absorbing paint, mylor reflects almost all the light. To install mylor simply tape or tack to a wall. T o prevent rip or tear simply put a peice of tape at the place where the nail,tac,or staple will be inserted. Although mylar is exspensive it is perferred by growers. The trick is to position it flat against the wall. When loosly affixed to surfaces, light is porly reflected. To increase reflectiveness keep mylar clean.
Aluminum Foil is one of the worst possible reflective surfaces. The foil always crinkles up and reflects light in all the wrong directions-actully waisting light. It also reflects more ultravilet rays then other surfaces, which are harmful to chloroplasts in leaves.
Mirrors also reflect light, but much less then mylar. light must first pass through the glass in the mirror, before being reflected back through the same glass. Light is lost when passing through the glass.





 
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