Visible Magnetic Particle Product Comparison

	7HF	WB-27	1 Grey	8A Red
Description	Ready-to-use aerosol	Ready-to-use liquid	Particles	Particles
Method	Wet method	Wet method	Dry method	Dry method
Suspension Vehicle	Oil	Water	N/A	N/A
Sensitivity*	6 - 7	6 - 7	7	7
AMS 2641	✔
AMS 3040			✔	✔
AMS 3041	✔
AMS 3042		✔
AMS 3043	✔ (aerosol)
ASTM E709	✔	✔	✔	✔
ASTM E1444/E1444M	✔	✔	✔	✔
ASME BPVC Section V	✔	✔	✔	✔
ISO 9934	✔	✔		✔
MIL-STD-2132	✔	✔	✔	✔
NAVSEA 250-1500-1		✔
NAVSEA T9074-AS-GIB-010/271			✔	✔
SAE AS4792		✔

* Representative of the number of indications on a tool steel ring as defined in ASTM E1444.

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