rolllog

Development times

Ilford HP5 Plus in Ilford Ilfosol 3

6 times for 1+14, 1+9, EI 200–800, 20 °C. From HARMAN technology HP5 PLUS Technical Information (2018-11).

Box speed (EI 400), 20 °C, 1+14, intermittent
11:00
Box speed (EI 400), 20 °C, 1+9, intermittent
6:30

Times

1+14 · intermittent

Ilford HP5 Plus in Ilford Ilfosol 3 1+14 · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
2007:00
40011:00
80019:30

1+9 · intermittent

Ilford HP5 Plus in Ilford Ilfosol 3 1+9 · intermittent: time in minutes:seconds by exposure index and temperature
EI20 °C
2005:00
4006:30
80013:30

Source: HARMAN technology HP5 PLUS Technical Information (2018-11)

Time in min:sec. A dash means the source gives no time for that combination; rolllog doesn't fill gaps. These are starting points: test with your own process.

Ilford HP5 Plus in other developers

Other films in Ilford Ilfosol 3

Same data from the API

curl "https://rolllog.io/api/v1/films/ilford-hp5-plus/dev-times?developer=ilford-ilfosol-3"

All of Ilford HP5 Plus: exposure, reciprocity, formats and prices.