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MR®70H
Developer ‘hot’ – White
Non-Aqueous
(high temperature ≤ 200°C)

MR®70H
Developer ‘hot’ – White
Non-Aqueous
(high temperature ≤ 200°C)

MR®70H is a bright white, matte finish, non-halogenated, non-aqueous developer used to enhance the visibility of surface-breaking defects or discontinuities by producing an opaque coating during dye-penetrant inspection for high temperature applications upto 200°C.

SKUPack SizeCase Size
2511-0161Aerosol 400ml10
Computer man Computer man Computer man

  •   Bright white, opaque matte coating
  •   Quick dry
  •   Instant indications - high absorption effect
  •   Creates a thin homogeneous layer
  •   Easy to apply
  •   Sprayable format
  •   Shows clear indications
  •   Non toxic
  •   Suitable for all metals (suitability for plastics & ceramics requires testing prior to use)
  •   High temperature stability
  •   No smoke

    Additional information
PropertiesAppearance – white liquid
Chemical Composition – mixture of pigments in volatile non-halogenated solvents
Basis – solvent
Odour – characteristic
ApprovalsASME Code V; Art. 6
DIN EN ISO 3452-2
DIN EN ISO 3452-5
ASTM E165
RCC-M
ASME
Recommended UsageNDT Method – Dye Penetrant Testing for high temperature
Form – e (EN ISO 3452-2
EN ISO 3452-5)
Compatibility – high temperature penetrant system
Area Coverage ~ 5 sq m (400ml nett Aerosol can)
Usage Temperature – 122°F to 392°F / +50 °C to +200 °C
Storage Temperature – 41°F to 113°F / +5 °C to +45 °C
Reference Test BlocksReference test block type 1 (Ni-Cr panel – 20µm
30µm & 50µm)
Reference test block type 2 (5-star panel)
ASTM test block (Aluminium comparator block)
    How it Works

In non-destructive testing (NDT), a developer is a material that is used to enhance the visibility of surface-breaking defects or discontinuities. The developer is typically applied after a penetrant material has been applied to the surface of the material being inspected. The penetrant material will enter any surface-breaking defects or discontinuities (capillary action) and remain in the surface-breaking defects or discontinuities after the excess penetrant has been removed. The developer is then applied to the surface of the material, and it works by drawing the penetrant material out of any discontinuities or defects on the surface (reverse capillary mechanism). The developer forms a coating on the surface of the material, and it absorbs the penetrant material, which causes it to migrate to the surface and form a visible indication

    GHS Category
Bulk Aerosol
  
    FAQs

High temperature penetrant testing is a non-destructive testing (NDT) method used to detect surface-breaking defects in materials that will be exposed to high temperatures. This testing technique uses a penetrant material that can withstand high temperatures, typically up to 392°F (200°C), and is ideal for use in applications such as aerospace, power generation, and automotive industries.

The advantages of high temperature penetrant testing include the ability to detect surface-breaking defects in materials that will be exposed to high temperatures, the ability to perform inspections without damaging the material being tested, and the ability to identify potential issues before they become more serious.

The limitations of high temperature penetrant testing include the need for specialized equipment and trained personnel.

The procedure for high temperature penetrant testing typically involves surface preparation, penetrant application, excess penetrant removal, developer application and inspection. The specific procedure will depend on the material being inspected and the specific application.

High temperature penetrant testing can be used on a wide range of materials, including metals, ceramics, and composites. However, the specific material being tested and the specific application may require the use of specialized penetrants and developers.

Safety precautions during high temperature penetrant testing include the use of personal protective equipment (PPE) such as heat-resistant gloves and goggles, the proper handling and disposal of chemicals, and the adherence to safety guidelines outlined in the NDT procedure.