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PROCESSING
MULTIGRADE IV FB Fiber is processed in the same
way as other fibre base papers.
Note
Photographic chemicals are not hazardous
when used correctly. Always follow the health and
safety recommendations on the packaging.
Photochemicals material safety data sheets
containing full details for the safe handling,
disposal and transportation of ILFORD chemicals
are available from ILFORD.
Processing summary 
(intermittent agitation)
ILFORD Dilution
ºC/ºF
Time 
chemical (min:sec)
Development
MULTIGRADE 1+9
20/68 1:30–3:00
or 
MULTIGRADE
1+14
20/68
2:00–5:00
or
BROMOPHEN 1+3
20/68
1:30–3:00
or
PQ UNIVERSAL 1+9
20/68
1:30–3:00
Stop bath
ILFOSTOP 1+19 
18–24/64–75
0:10
or
ILFOSTOP PRO
1+19 18–24/64–75
0:10
Fixation
ILFORD RAPID 
1+4  18–24/64–75
1:00
FIXER or
HYPAM
1+4
18–24/64–75
1:00
Washing 
Fresh, running water  –
Above 5/41
60:00
Development 
See the ‘Processing summary’ for development
recommendations.
On correctly exposed prints with MULTIGRADE
developer 1+9, the image will begin to appear
after 35 seconds. Development can be extended
up to 6 minutes without any noticeable change in
contrast or fog.
To give greater control during development, and
for economy, the 1+14 dilution of MULTIGRADE
developer can be used.
MULTIGRADE IV FB Fiber paper can also be
processed in other high quality dish/tray
developers.
Stop bath 
See the ‘Processing summary’ for stop bath
recommendations.
The use of a stop bath is strongly recommended.
A stop bath stops development immediately,
reduces the risk of staining and will extend the life
of the fixer bath.
Fixation 
See the ‘Processing summary’ for fixing
recommendations.
The use of a hardening fixer is not recommended
as it reduces washing efficiency. ILFORD RAPID
FIXER and HYPAM are non-hardening fixers.
There is no benefit in extending fixation beyond
the recommended time; some loss of print quality
might be seen when long fixing times are given
due to image etching. 
Washing 
See the ‘Processing summary’ for washing
recommendations.
Drying 
A final rinse in ILFORD ILFOTOL, diluted 1+200
with water, will aid even and rapid drying.
After washing, squeegee prints on both sides to
remove surplus water. Prints can be clipped back-
to-back to minimise curl and air-dried at room
temperature, or glazed/ferrotyped or heat-dried.
MULTIGRADE IV FB Fiber
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