ZL-37 (20 gal) Post Emulsifiable Fluorescent Penetrant

ZL-37 (20 gal / 75.7 L drum)

Item #: 01-3188-30
ZL-37 in 20gal barrel
ZL-37 in 20gal barrel
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ZL-37 in 5gal, 20gal, 55gal and aersol
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$5,049.00

ZL-37

Level 4 Post Emulsifiable Fluorescent Penetrant

Essential for critical component applications, ultra-high sensitivity ZL-37 post-emulsifiable penetrant is designed for detecting fine, tight discontinuities in safety-critical components, such as titanium turbine components, and in high-stress parts, such as investment castings.

This Type 1 penetrant is non-water-soluble so there is minimal risk of washing ZL-37 penetrant from a fine or shallow defect which makes this penetrant inspection the most reliable, dependable form of PT testing. ZL-37 has a high flash point and provides long tank life when used in open dip tanks, but this penetrant can also be applied in a variety of other ways, including electrostatic spray.

ZL-37 can be removed with ZE-4E Method B lipophilic emulsifier or ZR-10E Method D hydrophilic emulsifier.

ZL-37 is listed on the QPL SAE AMS 2644 Qualified Product List and is approved for use by Pratt & Whitney.

Benefits

Improve indication detection in the most critical applications

  • Creates the clearest, brightest indications for even the finest flaws due to very strong UV and thermal stability
  • Highest fluorescent brightness of any Level 4 penetrant for high-contrast indications that are easy for inspectors to see – even when the indications are very small
  • Indications stand out more since background fluorescence is minimized; emulsifiers only remove surface penetrant without the risk of over-washing

Maximize penetrant inspection process control

  • Prevents over-washing since ZL-37 cannot be removed with water (unless combined with an emulsifier)
  • Post Emulsifiable penetrant system is less susceptible to human error since only surface penetrant is removed in the final rinse stage

Wide range of inspections

Features

  • Level 4 ultra-high sensitivity
  • Post emulsifiable
  • Bright, high-contrast indications
  • Resists over-washing or over-removal
  • High flash point
  • Wide range of application methods
  • Low odor
  • Very low toxicity
  • Alloy compatibility
  • Very high thermal resistance
  • Very high UV stability
  • High dye content
  • QPL SAE AMS 2644 Qualified Product List
  • Approved for use by Pratt & Whitney

Product Properties

NDT Type: Fluorescent Penetrant Testing

Penetrant Type: Type 1

Fluorescent Penetrant Sensitivity: Level 4 - Ultra-High Sensitivity

Penetrant Methods: Method B, Method C

Removal Type: Post Emulsifiable

Required Equipment: UV light source

Applications

Ideal Application: Aluminum, Detecting fine to very-fine discontinuities, Electrostatic spray, Finding wide, shallow flaws, High-stress parts, Immersion dip tank, Investment castings, Non-porous surfaces, Precision components, Safety-critical components, Smooth, machined surface finish, Titanium, Turbine engine blades, disks, etc.

Defect Examples: Finished surface cracks, Porosity, Scratches, Seams

Compliance

Standards: AECL, AMS 2644, ASME BPVC, ASTM E1417, Boeing BAC 5423 PSD 6-46 or 8-4, Boeing PS-21202, ISO 3452, NAVSEA T9074-AS-GIB-010/271, Pratt & Whitney PMC 4354, QPL SAE AMS 2644

Resources

Product Data Sheet

Safety Data Sheet, Liquid

Safety Data Sheet, Aerosol

Penetrant Testing Process Guide

How to Do Fluorescent Penetrant Testing

Penetrant Product Brochure

Aerosol Flyer

Shelf Life Statement