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Tasma PT-7T - x-ray film

Tasma PT-7TTasma PT-7T
ООО «НПП «Тасма»
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Tasma PT-7T 30x40 cm
  • 75 sheets.
56 707 руб.
delivery time to 10 days
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Tasma PT-7T 24x30 cm
  • 100 sheets.
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Fine-grained radiographic technical film Tasma PT-7T is designed for radiographic inspection of welded and brazed joints, pipes of small diameter, cast products using X-ray, gamma radiation and bremsstrahlung of electron accelerators.

Corresponds to TU 6-17-649-83.

The base of the X-ray film Tasma RT-7T is polyethylene terephthalate, dyed in blue in the mass with a thickness of 175 ± 10 microns according to TU 6-41-1576-93.

Package

As a packaging material, a light-protective and moisture-proof plastic bag is used, which is inert to photographic layers. Each sheet of film is lined with white paper on both sides.

Dimensions
  • 30x40 cm, 75 sheets per box;
  • 24x30 cm, 100 sheets per box.
Storage conditions

Unexposed film should be stored in consumer packaging on racks in a ventilated room at a temperature of 14°C to 22°C and a relative humidity of 50% to 70%, where gases harmful to the film should not penetrate. It is not allowed to store the film in rooms where radioactive substances and luminous compositions of permanent action are located.

Treatment

Film RT-7T is designed for manual and machine processing.

Opening of the package and chemical-photographic processing of the film should be carried out under non-actinic lighting created by a laboratory lamp with a 15-25 W electric lamp shielded with a protective dark red light filter No. 107 according to TU 6-43-00205133-03-91.

Recommended solutions for manual processing:
  • developer "X-ray-2" and fixer BKF-2;
  • in solutions of chemical reagents "TRT-301", "X-ray-2T", TRTk.

Development time 4 - 8 min./(20.0 ± 0.5)°С.

Fixing no more than 15 min./(20.0 ± 2.0)°С.

It is allowed to carry out chemical-photographic processing of the film in tanks at an elevated temperature of the developer, development time:

  • 4 - 6 min./(22.0 ± 0.5) °С,
  • 4 - 5 min./(24.0 ± 0.5) °С,
  • 3 - 4 min./(26.0 ± 0.5) °С,
  • 2 - 3 min./(28.0 ± 0.5) °С.

Fixing at a temperature of 21.5°C to 28.5°C.

Recommended Solutions for Machining

RT-7T film can be processed in automatic processing machines in accordance with the instructions for them, using sets of domestic processing solutions.

Distinctive features
  • It has a smaller average size of emulsion crystals in comparison with analogues within class C5 of the European standard EN 584-1.
  • Complies with the technical requirements of Gazprom's regulatory documents and is recommended by Gazprom VNIIGAZ for use at Gazprom's facilities.
Tasma PT-7T 30x40 cm
56 707 руб.
delivery time to 10 days
Buy
Tasma PT-7T 24x30 cm
Notify on arrival
Qualitative characteristics
Sensitivity, R-18,0
Resolution, not less than, line/mm145
Contrast ratio G, medium4,0
Processing options
Fixing temperature, °Cfrom +18,0 to +22,0
Development temperature, °Cfrom +19,5 to +20,5
Service life and warranty
Shelf life in unopened packaging, months18
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