A-PEN (Annealed-Polyethylene Naphthalate)

Techniques > Glossary > A-PEN (Annealed-Polyethylene Naphthalate)

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The base for APS film emulsions. Its a strong material that it accepts film emulsions evenly and, with a thickness of just 90 microns its 30% thinner than the acetate base used in conventional 35mm emulsions.

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