35 mm & 120 films on PET base

bluechromis · Apr 2, 2022

I am interested in bw 35 mm and 120 film stocks coated on polyester (PET) support because of the archival advantages. Apart from aerial films i.e,, those based on Agfa Aviphot stocks, are there other emulsions that have a PET base? The tech sheet for Bergger Panchro 400 says the 120 size is on PET. Are there others?

AgX · Apr 2, 2022

The classic "consumer" films in these formats so far all got TAC base. Basically only recently a change is coming.

Some manufacturers only offer films on PET base (eg. Agfa, Tasma)
Some kind of (non-consumer) films are only offered on PET base: aerial films, microfilms, x-ray films.

That longevity issue even here at this forum is hardly a topic, instead though any possible danger to cameras or cutting film in the darkroom.

Whether consumer films in future will be on PET base is not clear to me. A statement on this by Mirko from Adox would be interesting.

osella · Apr 2, 2022

Adox CHS100II uses a polyester base. It is not currently available in 120 though only 35mm and large format sheet film sizes.

MattKing · Apr 2, 2022

The newly reintroduced Kodak Gold 200 is on Estar (PET) bade in 120.
The 35mm version is still on acetate.

otto.f · Apr 3, 2022

osella said:
Adox CHS100II uses a polyester base. It is not currently available in 120 though only 35mm and large format sheet film sizes.

Also Adox Scala 50 and CMS 20 ii. The Scala slide film can be perfectly developed as a negative film too. Opposed to Bergger the Adox films have a very low base+fog, which in my limited experience, give a very clear and clean image, which is for me still a struggle with Bergger

AgX · Apr 3, 2022

The CMS II and Scala 50 are not coated by Adox. Thus my remark above about the choice of base when they resume film coating on a wider range of films. For the CHS 100 II they already chose PET.

grat · Apr 3, 2022

The Lab Box FAQ lists the following films as being PET, although they don't distinguish between 135 and 120:

JCH 400
Rollei Infrared
Rollei 80s
Rollei Superpan 200
Rollei 400s
Fomapan 100
Fomapan 200
Fomapan 400
Bergger 400 120
CatLABS X FILM ISO 80 120
Arista film
Astrum film
Lomography Earl Grey B&W 100

AgX · Apr 3, 2022

Foma use for their 35mm films TAC base.

bluechromis · Apr 20, 2022

osella said:
Adox CHS100II uses a polyester base. It is not currently available in 120 though only 35mm and large format sheet film sizes.

Thanks.

bluechromis · Apr 20, 2022

grat said:
The Lab Box FAQ lists the following films as being PET, although they don't distinguish between 135 and 120:

JCH 400
Rollei Infrared
Rollei 80s
Rollei Superpan 200
Rollei 400s
Fomapan 100
Fomapan 200
Fomapan 400
Bergger 400 120
CatLABS X FILM ISO 80 120
Arista film
Astrum film
Lomography Earl Grey B&W 100

Thanks. From what I can tell, the Fomapan films are PET in 120 and acetate in 35 mm so perhaps Arista Films will follow suit.

bluechromis · Apr 20, 2022

AgX said:
The CMS II and Scala 50 are not coated by Adox. Thus my remark above about the choice of base when they resume film coating on a wider range of films. For the CHS 100 II they already chose PET.

Thanks.

bluechromis · Apr 20, 2022

otto.f said:
Also Adox Scala 50 and CMS 20 ii. The Scala slide film can be perfectly developed as a negative film too. Opposed to Bergger the Adox films have a very low base+fog, which in my limited experience, give a very clear and clean image, which is for me still a struggle with Bergger

Thanks.

35 mm & 120 films on PET base

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