HM-430 Fluorescent Penetrant

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HM-430 Fluorescent Penetrant quantity

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Description

HM-430 Properties

HM-430 is a fluorescent penetrant intended for the search of surface defects. It is a Type 1 Method A Level 3 pre-emulsified fluorescent penetrant according to AMS 2644 and ISO 3452-2. This product has advanced over-wash resistance and optimised colourimetry. It has a very low halogen and sulfur content, compatible with all metals, ceramics and certain synthetic substances.

Application:
Apply HM-430 only to clean, dry surfaces by spraying, flowing, brushing or dipping.

Dwell-Time:
A 10 minute dwell time is suggested, although in many cases five minutes will suffice. When particularly
tight cracks are suspected, or the part is especially critical, the dwell time may be extended to 30
minutes, or longer.
Do not soak the part. To increase sensitivity, as well as conserve material, allow the penetrant to drain
from the part surface back into the penetrant tank.

Removal:
Use a quick, ambient temperature water wash at tap pressure to rinse HM-430 from the part surface.
To avoid washing entrapped penetrant from surface flaws, do not use high water pressures and
temperatures, or prolonged washing and scrubbing.

Drying:
A recirculating oven set no higher than 80°C is suggested. Leave part in oven just long enough to
evaporate surface moisture. Drying is improved by using pressurized air to disperse and remove as
much excess water as possible before placing part in oven.

Developing:
HM-430 is self-developing. Nevertheless it is recommended to use a developer as listed above.
Inspection:
Inspect parts under appropriate UV-A radiation (mini 1000 μW/cm2, if possible higher or equal to 1500
μW/cm2) and dimmed visible light (max. 20 lux), it is also possible to use actinic blue light.

Appearance	Green Liquid
Fluorescence	Green-Yellow
Flash Point	> 93ºC
Viscosity	18 mm2/s ±15% at 40°C
Temperate Range	0ºC – 50ºC

Available in 12x300ml Aerosol, 25L and 200L

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Additional information

Option	200L, 25L, Case of 12x300ml Aerosol