diazo film


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diazo film

A film used to make microfilm or microfiche copies. It is exposed to the original film under ultraviolet light and is developed into identical copies. Copy color is typically blue, blue-black or purple.
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The diazo films then were commonly referred to as standard and double-sided emulsions.
China's demand for diazo films for long runners is growing and it's used in both primary imaging and LPISM applications.
Finally, diazo films' scratch resistance provides superior protection when compared head to head with silver phototool film on the production floor.
National Graphic Supply, founded in 1974, is a national distributor for Konica and Fuji silver films and NGS and Folex diazo films, along with other related phototool products.
This is a critical step when using diazo films and APE The burn back helps ensure a stable D-max reading and will burn away any undeveloped diazo molecules and color couplers.