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MIL-PRF-85285

MIL-PRF-85285 is a military specification detailing the requirements for a high-performance polyurethane coating designed for use on aircraft and aerospace equipment. This specification outlines the standards that the coating must meet in order to ensure its durability, corrosion resistance, and performance in demanding environments.

Products that currently meet the MIL-PRF-85285 spcification

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No Stock - Standard lead time 87 business days
From £1018.31 excl VAT
No Stock - Standard lead time 31 business days
From £547.20 excl VAT
No Stock - Standard lead time 73 business days
From £526.65 excl VAT
No Stock - Standard lead time 31 business days
£279.78 excl VAT
No Stock - Standard lead time 24 business days
£1036.60 excl VAT
No Stock - Standard lead time 31 business days
From £1231.95 excl VAT
No Stock - Standard lead time 31 business days
£779.67 excl VAT
No Stock - Standard lead time 17 business days
From £547.20 excl VAT

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Types

MIL-PRF-85285 can be split into the following different types -

Type I - Aircraft application (420 grams/liter g/l maximum VOC content)
Type II - Support equipment application (340 g/l maximum VOC content)
Type III - Aircraft and support equipment application (50 g/1 maximum VOC content)
Type IV- Aircraft application with extended weatherability (420 g/l maximum
 VOC content)

Classes

Class H – High solids formulation
Class W – Water borne formulation

 

Revisions and Versions

MIL-PRF-85285A: The first revision, made in July 1987

 MIL-PRF-85285B: This revision had 2 further amendments in 1988 and 1989

MIL-PRF-85285C: This is one of the earlier version of the specification, established in 1997. It was superseded in 2002 by MIL-PRF-85285D

MIL-PRF-85285D: This version had three further amendments in 2006 and 2007 and 2009. It was superseded in 2012 by MIL-PRF-85285E

MIL-PRF-85285E: Established in 2012 but superseded by the more recent version F in 2022

MIL-PRF-85285F: This is the most recent revision of the spec, established in May 2022

 

Further Information

Purpose: The primary purpose of MIL-PRF-85285 is to establish the performance requirements for polyurethane coatings used on military aircraft and aerospace equipment. These coatings are critical for protecting the surfaces of these vehicles from corrosion, weathering, and other environmental hazards.

Properties:
The specification defines the physical, chemical, and mechanical properties that the coating must possess. This includes characteristics such as adhesion strength, flexibility, impact resistance, hardness, and resistance to chemicals and solvents.

Compliance: Coatings that meet the requirements of MIL-PRF-85285 are considered compliant with the specification and can be used in military applications. Manufacturers must provide evidence of compliance through testing and certification processes.

Industry Impact: While MIL-PRF-85285 is a military specification, its influence extends beyond the defense sector. Many commercial aerospace manufacturers and suppliers also adhere to these standards to ensure the quality and performance of their products.