Materials & Welding: Re: [MW:27327] what is the difference between d4 and d7 film

Friday, February 9, 2018

D4 Films are Extra Fine grain Film with Very High Contrast associated with High Cost and more exposure Time.

D7 Films are Fine grain Film with High Contrast and High Speed.

Thanks & Regards

J.Gerald Jayakumar

0091-9344954677

On Friday, February 9, 2018, 2:33:47 PM GMT+4, <baskarmech15@gmail.com> wrote:

Dear Expects

how to classify the d4 and d7 film , tell the difference between two films.

Thanks and Regards

Baskar P

+91 9944876002

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Materials & Welding