ZEP® H81235 Aviation™ NAV-II Yellow MIL-PRF-85570 Type II Spec Exterior Aircraft Cleaner & Degreaser – 5 Gallon Pail — Professional Grade Aircraft Exterior Cleaner & Degreaser

The ZEP® H81235 Aviation™ NAV-II Yellow MIL-PRF-85570 Type II Spec Exterior Aircraft Cleaner & Degreaser – 5 Gallon Pail is a high-performance aircraft exterior cleaner & degreaser engineered for demanding aerospace MRO, airline maintenance, and industrial cleaning applications. Manufactured by ZEP and identified by part number H81235, this product is specifically formulated to deliver fast-acting, effective cleaning results while remaining safe on the sensitive surfaces found in aviation and industrial environments.

Available in a convenient 5 Gallon Pail format, the ZEP Aviation NAV-II H81235 is designed for use on aircraft fuselages, wings, engine nacelles, and exterior surfaces subject to grease, oil, and environmental contamination. Compatible with painted aluminum, composite panels, and coated exterior aircraft surfaces, this cleaner effectively removes grease, exhaust deposits, hydraulic fluid, and general soiling from aircraft exteriors. Its professional-grade formulation is trusted by MRO shops, ground handling crews, airline cabin maintenance teams, and aviation cleaning contractors who require consistent, high-quality results on demanding cleaning tasks.

The ZEP Aviation NAV-II H81235 is engineered to minimize cleaning time and labor cost while maximizing surface cleanliness. Its effective formula reduces the need for multiple cleaning passes and is compatible with standard application equipment, making it a practical choice for both routine maintenance and deep-cleaning operations. Regular use helps maintain surface condition, extends service life of cleaned components, and supports compliance with airline and OEM housekeeping and maintenance standards.

Apply using a clean cloth, sponge, mop, or appropriate dispensing equipment. Work the cleaner into the soiled area, agitate if necessary, then wipe or extract away. Repeat for heavily soiled surfaces. Always test on a small, inconspicuous area before full application, particularly on sensitive, painted, or unfamiliar substrates. Wear appropriate PPE including chemical-resistant gloves and safety glasses. Ensure adequate ventilation during use, particularly in enclosed aircraft cabins or hangar spaces. Dispose of used materials in accordance with applicable environmental regulations and SDS instructions.

Whether you are performing routine cabin cleaning, heavy-duty exterior degreasing, contact cleaning of avionics, or deep extraction of aircraft carpet and upholstery, the ZEP® H81235 Aviation™ NAV-II Yellow MIL-PRF-85570 Type II Spec Exterior Aircraft Cleaner & Degreaser – 5 Gallon Pail delivers the professional-grade results required by today’s aviation maintenance standards. Order the 5 Gallon Pail size today or contact us for bulk pricing, volume availability, and technical support.

Product Specification

Technical Information

The ZEP Aviation NAV-II H81235 is a ready-to-use (RTU) formulation that requires no dilution unless otherwise specified in the product data sheet. For drum or pail quantities, use appropriate dispensing pumps and follow safe chemical handling procedures per the SDS. Shelf life is typically 2–3 years from date of manufacture in original sealed containers when stored in a cool, dry location between 40°F–90°F (4°C–32°C) away from direct sunlight and freezing temperatures. Specification compliance: MIL-PRF-85570 Type II. Full Safety Data Sheet (SDS) and Product Data Sheet (PDS) are available upon request. Dispose of waste material in accordance with federal, state, and local environmental regulations.

Frequently Asked Questions

Q1: What surfaces is the ZEP® H81235 Aviation™ NAV-II Yellow MIL-PRF-85570 Type II Spec Exterior Aircraft Cleaner & Degreaser – 5 Gallon Pail compatible with?
A: This aircraft exterior cleaner & degreaser is compatible with painted aluminum, composite panels, and coated exterior aircraft surfaces. Always perform a spot test on a small, inconspicuous area prior to full application, especially on sensitive or freshly coated surfaces.

Q2: Does the ZEP Aviation NAV-II H81235 meet any aerospace or industry specifications?
A: This product complies with or is formulated to meet: MIL-PRF-85570 Type II. For official compliance documentation, certificates, or TDS/SDS, please contact us for the manufacturer’s technical data package.

Q3: How should I apply the ZEP® H81235 Aviation™ NAV-II Yellow MIL-PRF-85570 Type II Spec Exterior Aircraft Cleaner & Degreaser – 5 Gallon Pail?
A: Apply using a clean cloth, sponge, mop, or appropriate dispensing equipment. Work the cleaner into the soiled area, agitate if necessary, then wipe or extract away. Repeat for heavily soiled surfaces. Always follow the manufacturer’s product data sheet for specific application instructions, dilution ratios (if applicable), dwell times, and rinse requirements for optimal cleaning performance.

Q4: What safety precautions are required when using this cleaner?
A: Wear appropriate PPE including chemical-resistant gloves and safety glasses or goggles. Ensure adequate ventilation in enclosed work areas. Keep away from open flames and ignition sources where applicable. Refer to the full Safety Data Sheet (SDS) for complete hazard information, first aid measures, and disposal instructions.

Q5: Can I purchase the ZEP® H81235 Aviation™ NAV-II Yellow MIL-PRF-85570 Type II Spec Exterior Aircraft Cleaner & Degreaser – 5 Gallon Pail in bulk or larger package sizes?
A: Yes. While this listing covers the 5 Gallon Pail format, additional sizes and bulk quantities may be available. Contact us for volume pricing, lead times, and availability to support your airline, MRO facility, or ground operations cleaning program.