DP-40 - Visible Penetrant | 5 Gallon Pail | Sherwin

  • Brand: Sherwin
  • Product Code: DP-40-5
  • Availability: Backorder - Estimated to ship 04/26/2024 (if ordered today!)
  • Note: This item is currently on backorder with an estimated ship date of 04/26/2024, you can place an order for this item and it will be shipped when it becomes available.
  • Price: $536.00

Available Options

DP-40 is a non-water washable visible penetrant used to locate cracks, laps, pores, lack of bonding, and similar surface flaws. DP-40 can be used on nonporous parts including both ferrous and nonferrous metals, ceramics, and glass. Referred to as the “visible dye penetrant“ method or “color contrast” method of inspection for weld inspection.

Chemical Properties

  • Color: Red liquid
  • Viscocity: 5.76 cSt @ 100°F
  • Flash Point: 230°F (110°C)
  • Boiling Point: 440°F (226°C)
  • Odor: Petroleum odor


Companion Products

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  • D-106 Non-Aqueous Developer
  • ER-85 Lipophilic Emulsifier
  • ER-83A Hydrophilic Emulsifier
  • DR-62 Solvent Remover
  • DR-60 Solvent Remover



  • MIL-I-25135 Revisions C, D, & E
  • ASME Code NDT, Sec V
  • SAE AMS 2644 & QPL



  • Keep away from moisture and sunlight
  • Temperature limit: 40°F to 125°F (0°-50°C)
  • Keep the container closed when not in use

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