Test Pieces & NDT related items

Test panels for penetrant inspections

Test panels are used for penetrant-effectiveness testing and result validation, if appropriate. The test panels made under full use of "Know-How" cultivated in abundant experiences are widely used in U.S. and the countries in Europe as well as in Japan.

1.Type 1 reference test block (JIS Z 2343-3/ISO 3452-3) : Reference test blocks for planting crack and 10, 20, 30, 50μm in depth are provided.
This test panle is known as the "TESCO PANEL", "TESCO-EISHIN PANEL".
Conforms with:
• ISO 3452-3 Type1
For use with systems conforming to:AMS 2647D • ASTM E1208 • ASTM E1209 • ASTM E1210 • ASTM E1219 • ASTM E1220 • ASTM E1417 • ASTM E1418 • ASTM E165 • ASTM F601
• ISO 3452

2.Type 2 reference test block (JIS Z 2343-3/ISO 3452-3) : Reference test-blocks for having two different functions, crack and surface roughness.

3.Type 3 reference test block (JIS Z 2343-3/ISO 3452-3) : 24S reference test blocks of thermal crack for aluminium (comply with JIS Z 2343-3).

4.Reference test panels for aluminium comply with ASME : Twin type, 10mm in thickness.

Low-halogen and sulfur type


Minimized impurities such as chlorine, fluorine, and sulfur marking pen .Used for marking on the surfaces of stainless steels and nickel-titanium alloys. Available 4 colors : black, red, white and blue .

Color/ Writing width 3.0mm 1.0mm 0.5mm


You can see it by scrolling horizontally.

Chlorine・Fluorine content Less than 200ppm
Sulfur content Less than 50ppm

Marking Ink

Marking Ink (black) MB-5

Marking Ink (black) MB-5 was mainly developed for the copper pipes to be tested by eddy current testing. And this Ink is the fast drying type not to break out any detach even after annealing.


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