Technical photographic plates

Technical photographic plates

Fields of Application       

PFN-01T Technical negative photoplates are designed for portrait, landscape, architectural, subject and other technical surveys black-and-white photography.

PFP-01T Positive photoplates are designed for manufacturing of thermometrical scales, stained-glass windows and making of black-and-white images, which are examined in passing light or projected on the screen. There are three grades according to contrast: contrast, special contrast, and supercontrast.

Technical photographic platesPFRP-01T Reproductive semi-tone technical photoplates are designed for reproduction semi-tone black-and-white and color originals, which are notable for smooth (gradual) transition from shadow to light. There are two grades: normal and contrast.

PFRSh-01T Reproductive line technical photoplates are designed for reproduction of
highcontrast text originals and illustration materials in the form of strokes, specks and dots.

Characteristics

Name of Indices PFN-01T PFRSh-01T PFRP - 01T PFP - 01T
normal contrast contrasting contrasting very contrasting over contrasting
General Light
Sensitivity
(S 0,9) unites GOST
(S 0,1) unites GOST
S unites ISO/Din



32-200
160/23


6-20

13/12
10-20 13/12

1-5

7/9


2-6

7/9


2-6

7/9
Effective Sensitivity with ZhS-18 light-filter (Seff), not less than 10-40 1,6   1,2 -
Maximum Density on the characteristic curve, Dmax, B, not less than 3,0 3,0 2,5 2,8 1,5 2,0 2,0
Gamma, (g), not less than 1,7-2,1 3,0 1,6 2,0 1,5 2,5 3,0
Fog Density, (D0), B, not more than 0,12 0,08 0,09 0,06
Exposure Latitude, (L), not less than 0,9-1,2 - - -
Boundary zone of spectral sensitization, nm, not more than 580 580 580 400-520
Maximum of spectral sensitization, nm 560 ± 10 560 ± 10 560 ± 10 -
Resolving Power (R), mm–1, not less than 70-100 125 85 100 85 85
Developing time, min
in UP-2M developer
in developer № 1
4-8

3-6


4-8


3-6
Strength of swollen emulsion layer
after chemical photographic processing,
H (gram-force), not less than
2 (200) 2 (200) 1,5 (150) 2 (200)
Adhesion between emulsion layer
and base after chemical photographic
processing, conventional classes A-F
А-Д А-С А-С А-С
Temperature of emulsion layer
Deformation, Tdef, °C, not less than
45 45 40 45
Metallic silver content, g/m2 6,5 ± 0,2 4,5 ± 0,2 4,5 ± 0,2 4,2 ± 0,2
Antihalation protection Yes Yes Yes No

Main sizes of the photographic plates (in mm) as follows:

90х120, 90х240, 130х180, 180х240 per 6 plates (on glass base of 1,7-1,9mm thickness) in a cardboard box. According to an agreement between a customer and a manufacturer the photographic plates can be manufactured of other sizes.

Open and process the photographic plates under indirect safe light conditions with using a dark-red light-filter № 107.

Climate conditions for photographic plates usage: temperature of environment is (20 ± 5)оС, relative humidity of air (65 ± 15)оС.

Chemical-Photographic processing conditions of the photographic plates:

Name of operation Time of processing, min Temperature, оС
Development 3-6
4-8
20,0 ± 0,5
Intermediate washing 0,1-0,2 18 ± 2
Fixing 10-15 20,0 ± 0,5
Washing 5-10 18 ± 2
Drying in the open air To be dried out completely. 20 ± 5

For photo-chemical processing of the Photographic plates Micron production plant manufactures sets of chemical agents for ST-1, UP-2M developers and BKF fixer for 1 liter; liquid concentrated solution of KF-PHOTO fixer.

Guaranteed shelf life of photographic plates is:

PFN-01T, PFRP-01T - 12 months
PFRSh-01T - 18 months
PFP-01T - 24 months

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