
NDT Chemicals
Dubl-Chek HM-430 Fluorescent Penetrant, Water-Washable, Level 3
SKU: HM-430
Brand: Sherwin
Pricing on request
Specifications
| Part Number | HM-430 |
|---|---|
| Material | Fluorescent penetrant, water-washable (Type 1) |
| Compliance | SAE AMS 2644 (QPL) Type 1, Method A, Level 3; MIL-I-25135 Rev D & E; ASME BPVC Section V |
Description
HM-430 is a high-sensitivity (Level 3) fluorescent penetrant of the water-washable Type 1, Method A class. It meets low sulfur and low halogen requirements and fluoresces yellow-green under UV-A light. Sherwin notes resistance to over-washing, low background and good electrostatic spray capability, with a flash point of 230°F (110°C).
The manufacturer describes it for castings, extrusions and similar parts in materials including aluminium and magnesium, and lists turbine engine components and critical welds, castings and forgings among Level 3 applications.
Angad Aviation supplies this product with full traceability and documentation — request a quote for current pricing, pack sizes and lead time.
- Manufacturer: Sherwin Inc.
- Part No.: HM-430
- Classification: AMS 2644 Type 1, Method A, Level 3
- Colour / fluorescence: Green / yellow-green
- Viscosity: 20.2 cSt at 100°F
- Water tolerance: 13.7%
- Flash point: 230°F (110°C)
- Typical pack sizes: 1 gal and 5 gal can; 55 gal drum
Frequently asked
What sensitivity level is HM-430?
HM-430 is a Level 3 (high sensitivity) Type 1 fluorescent penetrant for Method A water-washable processing, which the manufacturer lists against SAE AMS 2644 and its QPL.
Which developers can be used with HM-430?
Sherwin lists D-90G dry powder, D-100 and D-106 non-aqueous, and D-110A water-suspendable developers as companion products, with DR-60 and DR-62 as solvent removers.
Can I get the technical and safety data sheets?
Yes. Ask for the current manufacturer technical data sheet and safety data sheet when you request a quote.
How do I order HM-430?
Request a quote with the part number, quantity and delivery country. Angad Aviation confirms availability, pack size and delivery terms. Every order ships with full traceability and documentation.










