Contact Film camera film

Contact Film
Application:
It can be safe operated under the light room of print copy of the film, and it's suitable for printing, dyeing,
electronics and other industries to add dots and film reproduction.
Feature:
1, Large contrast, toe is short, high resolution, good quality dots.
2, Large latitude of exposure and washing, suitable for high temperature, medium temperature,
normal temperature washing and processing.
3, Using a special polyester film base, good flatness, dimensional stability.
Main performance index:
Light room security: 100 W incandescent lamp, distance of 2 meters, exposure 60 minutes, no fog,
in the light room ( including the commonly used fluorescent tube ) for secure operation.
Fogging density ( D ): 0.04
Contrast factor ( Y ): >10.0
Maximum density: >4.0
Sizes:
0.6m*30m etc.
Other specifications can be cut according to user needs.
Safely lighting:
Recommended incandescent light.
Unpack:
>Film should be unsealed under incandescent lighting, when open the film,
we should try to make the emulsion layer side down,
in order to reduce light exposure time on the emulsion layer to increase their security.
Unused film should be safe to save the original packaging.
>Film should be used with caution, to prevent friction, folding, grease
and finger prints caused by damage to the film.
Exposure
Exposure light source with UV xenon lamp, iodine gallium lamp, etc.
Due to the different light intensity of exposure, it subjects to testing to determine the exposure conditions.
Washing and processing:
Developing temperature: 20°C, 26°C-28°C, 30°C-32°C, 35°C-38°C
Developing time: 180-200s, 80-100s, 40-50s, 25-30s
Guarantee Period
18months