Liquid Dye Penetrants > Pre-Emulsified Fluorescent Dye Penetrants
Penetrant Nomenclature and Sensitivity Levels (SL) Conforms to Specifications: MIL-I-25135, DTD-929, ASTM E-165 Type of Developers recommended for use Typical Applications Packing
23 FP
SL-1/2 to 1
Crack detectability
30 micron on Ni-Cr Panels.
Low sensitivity
Type I, Method A
ORION 28D
ORION 22D
ORION 21D
ORION 115D
ORION 119D
General purpose for forgings, castings and similar less critical components. Low water tolerance. 5 & 20 Litres
23 FP (HS)
SL-2
Crack detectability
20 micron on Ni-Cr Panels.
Medium sensitivity
Type I, Method A
ORION 28D
ORION 28D2
ORION 22D
ORION 21D
ORION 119D
ORION 115D
General purpose, medium sensitivity for precision castings, forgings, aircraft and aero space components. 280/400 ml
5/20 Litres
23 FP2
SL-3
Crack detectability
10 micron on Ni-Cr Panels.
High sensitivity
Type I, Method A
ORION 28D2
ORION 22D
ORION 21D
ORION 119D
High sensitivity recommended for use on highly stressed rotating parts of Gas Turbine Engines & similar applications. 5 & 20 Litres
23 FP3
SL-4
Crack detectability
5 micron on Ni-Cr Panels.
Ultra-high sensitivity
Type I, Method A
ORION 28D3
ORION 22D
ORION 21D
ORION 119D
Ultra-High sensitivity and is recommended for extremely critical applications, wherever maximum sensitivity is required. 5 & 20 Litres
23 FP2
SL-3
High sensitivity
Type I, Method A
ORION 28D2
ORION 22D
ORION 119D
Similar version of 23 FP2 in aerosol can. 280 ml
400 ml
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