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The Zyglo® family of products includes an extensive line of certified penetrants, developers, emulsifiers, black lights, equipment and accessories to support your most exacting NDT inspection needs.
Zyglo® ZL-15B (Level 1/2) Water Washable Fluorescent Penetrant
ZL-15B fluoresces a bright greenish-yellow under ultraviolet radiation and is safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the Magnaflux ZB-100F fan-cooled black light, is recommended.Zyglo® ZL-15B penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-19 (Level 1) Water Washable Fluorescent Penetrant
Zyglo® ZL-19 fluoresces a bright greenish-yellow under ultraviolet radiation and is safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the Magnaflux ZB-100F fan-cooled black light, is recommended.Zyglo® ZL-19 penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-60D (Level 2) Water Washable Fluorescent Penetrant
Zyglo® ZL-60D fluoresces a bright greenish-yellow under ultraviolet radiation and is safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the Magnaflux ZB-100F fan-cooled black light, is recommended.
Zyglo® ZL-60D penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-67 (Level 3) Water Washable Fluorescent Penetrant
Zyglo® ZL-67 fluoresces a bright greenish-yellow under ultraviolet radiation and is safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the Magnaflux ZB-100F fan-cooled black light, is recommended.
Zyglo® ZL-67 penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-56 (Level 4) Water Washable Fluorescent Penetrant
Zyglo® ZL-56 fluoresces a bright greenish-yellow under ultraviolet radiation and is safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the Magnaflux ZB-100F fan-cooled black light, is recommended.
Zyglo® ZL-56 penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-4C Water Based Penetrant
Zyglo® ZL-4C contains no petroleum base solvents and fluoresces a greenish-yellow color under ultraviolet radiation of 365 nm. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the Magnaflux ZB-100F fan-cooled black light, is recommended.
The use of aqueous developers is not recommended with ZL-4C as they tend to wash the penetrant out of the discontinuities. Dry powder developer (ZP-4B Dry Powder Developer) is applied after the test surface has been dried.
Zyglo® ZL-2C Post Emulsifiable Fluorescent Penetrant
Zyglo® ZL-2C’s formulation has been designed to be impervious to water to protect it from over washing and permit more penetrant to remain in discontinuities for improved detection of small defects. It and other post emulsifiable penetrants require the application of a lipophilic or hydrophilic emulsifier to render them washable with water.
ZL-2C fluoresces a bright greenish-yellow under ultraviolet radiation. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the MAGNAFLUX® ZB-100F fan-cooled black light, is recommended.
Zyglo® ZL-2C penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-27A Post Emulsifiable Fluorescent Penetrant
Zyglo® ZL-27A’s formulation has been designed to be impervious to water to protect it from over washing and permit more penetrant to remain in discontinuities for improved detection of small defects. It and other post emulsifiable penetrants require the application of a lipophilic or hydrophilic emulsifier to render them washable with water.
ZL-27A fluoresces a bright greenish-yellow under ultraviolet radiation. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the MAGNAFLUX® ZB-100F fan-cooled black light, is recommended.
Zyglo® ZL-27A penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZL-37 (Level 4) Post Emulsifiable Fluorescent Penetrant
Zyglo® ZL-37’s formulation has been designed to be impervious to water to protect it from over washing and permit more penetrant to remain in discontinuities for improved detection of small defects. It and other post emulsifiable penetrants require the application of a lipophilic or hydrophilic emulsifier to render them washable with water.
Zyglo® ZL-37 penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks.
Zyglo® ZE-4E Lipophilic Emulsifier
Zyglo® ZE-4E is a lipophilic emulsifier. It can be used in open tanks due to its low volatility and high flash point. ZE-4E is non-corrosive.
Zyglo® ZR-10E Hydrophilic Emulsifier
ZR-10E provides significant advantages over other emulsifiers, including less fluorescent background on rough surfaces, reduced bleed-out from hollow parts, and lower emulsifier consumption.
ZR-10E is a Method D hydrophilic emulsifier with innovative and environmentally-friendly surfactant technology to provide the same great performance of ZR-10B with a more eco-safe, sustainable formula. Switching to ZR-10E will help users stay ahead of evolving environmental regulations and requirements. ZR-10E has all the same approvals as ZR-10B and is listed on QPL-AMS-2644.
Zyglo® ZP-4B Dry Powder Developer
Zyglo® ZP-4D s a noncombustible dry powder developer for form A penetrant testing that is ideal for highly sensitive fluorescent penetrant processes. ZP-4D is applied to oven dried parts following the use of penetrants and forms a thin film on parts that enhances the visibility of ultra-fine discontinuities.
ZP-4D is listed on the QPL SAE AMS 2644 Qualified Product List and is approved for use by Pratt & Whitney.
Zyglo® ZP-5B Water Suspendable Developer
Zyglo® ZP-5B Water Suspendable Developer disperses quickly into water to form an opaque white suspension. At higher concentrations, ZP-5B forms an opaque white coating which provides contrasting background for Spotcheck® penetrant indications.
ZP-5B should be continuously agitated during use to ensure uniformity of mix. It will settle out during standing. It can be applied by immersion dip, spray or flow on techniques.
Zyglo® ZP-9F Developer
Zyglo® ZP-9F is a dispersion of organic particles in isopropyl alcohol and acetone that produces an opaque white coating which provides an excellent contrasting background for Spotcheck® or Zyglo® penetrant indications.
Zyglo® ZP-14A Aqueous Soluble Developer
Zyglo® ZP-14A is used as a water-soluble developer for the enhancement of indications formed by Zyglo penetrants.
P-14A produces a uniform white coating when it dries. The developer film is easily removed in post inspection cleaning by water spray. Once the developer bath has been made up, no in use agitation is required to maintain developer uniformity.
ZP-14A can be used in open tanks without ventilation as there are no toxic fumes or flammability to the bath.