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/p>
Proper
care of leather, including cleaning and maintenance, is imperative to the s=
ervice
life of upholstery leather. T=
his
specification is to serve as a guideline to assist in the care and maintena=
nce
of upholstered leather seats. If
these guidelines are observed by cleaning and maintenance staff, they will =
help
to extend the life of your aviation upholstery leather. If these guidelines are not follow=
ed,
the result can be premature wear on the finish system or permanent damage to
leather causing the need for replacement.
Table of C=
ontents:
Section I – List of Restricted Chemical Groups
Section II – Recommendations for Care
Section III – Instruction for Inspection of Avia= tion Leather
Section IV – Instruction for Cleaning Leather = 8211; On Aircraft
Section V – Recommended Cleaning Intervals
Section VI – Contact Information for Consultatio= n
<= span style=3D'mso-list:Ignore'>a.&n= bsp; Some chemical groups can melt into the finish system and/or cause damage leading to tacky feeling leather and / or color transfe= r:
1.&n= bsp;  = ; Heavy solvents or petroleum based solvents such as acetone, methyl ethyl keytone (MEK), mineral spirits, lacquer thinner and isopropyl alcohol.
2.&n= bsp;  = ; High alkaline cleaners (pH of 10.5 or more) or acid based products (pH of 5 or less) such as most heavy-duty degreasers, produc= ts containing bleach, ammoniated cleaners, d’limonene based products, bathroom cleaners containing acids, terpines or most parts washer fluids.= p>
<= span style=3D'mso-list:Ignore'>b.&n= bsp; Dry Cleaning and Steam Cleaning can do the followin= g to your finish system:
1.&n= bsp;  = ; Premature cracking
2.&n= bsp;  = ; Change the “hand” or feel of your leath= er
3.&n= bsp;  = ; Discoloration
4.&n= bsp;  = ; Adverse effects on flammability
5.&n= bsp;  = ; Delamination
c.&n= bsp; “Oil” type soaps that can leave behind tacky residue causing increased staining, chemical build-up and soil adherence. These types can al= so harm finish of dress cover if left on leather.
= a. = Start with Perrone’s Leather Cleaner with Conditioner (#CC-332) to clean leather. In some cases, an additional application is required for heavy soil load. A horsehair brush can also be used= in conjunction with your cleaning solution.
= b. Some manufacturers have formulated specific products for use on cleaning heavy s= oil build up on leather dress covers. Be sure to request information on the adverse affects on flammabilit= y.
= c. = Always pretest your products in a hidden and unhidden area before widespread use.<= /p>
= d. For extremely soiled areas, use Perrone’s Deep Cleaner for Leather (#DC-3= 32) in a manner consistent with labeling or see Section V for directions.
= e. = For ink removal, we recommend Perrone’s Ink Remover (#IR-102) for top coa= ted leather. As a rule, the soone= r you go after an ink stain, the better. Dried ink stains are extremely difficult to remove without damaging = the leather finish system.
<= span style=3D'mso-list:Ignore'>a.&n= bsp; Common stains and&= nbsp; / or damage include:
1.&n= bsp;  = ; ink stains
2.&n= bsp;  = ; discolorations
3.&n= bsp;  = ; differences in the gloss of protective clear top
4.&n= bsp;  = ; gum
5.&n= bsp;  = ; rub-through on corners (especially isle seating) = p>
6.&n= bsp;  = ; high gloss shine caused by a build-up of body oils =
7.&n= bsp;  = ; dirt build-up
<= span style=3D'mso-list:Ignore'>b.&n= bsp; Inspection of upholstered leather seating “on aircraft” should be performed on a regular basis by cleaning or maintenance staff during regular cleaning of the aircraft.
<= span style=3D'mso-list:Ignore'>e.&n= bsp; On Aircraft - It is recommended for you to clean yo= ur upholstered leather seating (1) time per month. If this is not possible due to ava= ilable resources, clean and condition covers as close to this schedule as possible= .
<= span style=3D'mso-list:Ignore'>f.&n= bsp; Off Aircraft – It is recommended that when yo= ur seats are removed from the aircraft that they are thoroughly inspected, cle= aned and conditioned. Perrone reco= mmends that this be done by your internal cleaning / maintenance staff, or from an outside contractor that also offers repair options.
a.&n= bsp; For additional information about the cleaning, maintenance or restoration of your upholstered leather seating, contact:
Perrone Aerospace
182 Riv= erside Drive
Fultonv= ille, NY 12072
Toll Fr= ee (800) 871-5847 ext. 170
Ph: (518) 853-4300
Fx: (518) 853-4333
Kevin T= . Shea, Chemical Sales & Maintenance Director
kshea@p= erroneaero.com
=
Manufacturer’s
Leather Cleaning and Maintenance Specification
Perrone Aerosp=
ace