(4)  
Materials splashed in the eyes must be flushed out promptly with water and the injured person sent for medical attention.

E.  For application of flame sprayed aluminum, refer to Chapter 51 of the Structural Repair Manual.
500 
51-21-0 Page 702  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Nov 15/70 

PAINT STRIPPING - CLEANING/PAINTING
1. General
A.  Paint may be removed by the application of strippers or solvents. Paint applied to any metal surface may be removed by any of the specified strippers. No paint stripper may be used, however, to remove paint from plastic laminates, composite, fiberglass (bare or metalized), or the edges of metal bonded structure, or rubber parts. Paint should be removed from these parts by abrasive cleaning.
WARNING:  MANY ORGANIC-FINISH STRIPPERS ARE FLAMMABLE, TOXIC OR CORROSIVE. CONSULT THE APPROPRIATE FIRE, INDUSTRIAL HYGIENE AND SAFETY ORGANIZATIONS ON FACILITIES, EQUIPMENT AND PROCEDURES REQUIRED FOR SAFE OPERATION WITH THESE MATERIALS. AVOID PROLONGED OR REPEATED BREATHING OF SOLVENT AND STRIPPER VAPORS. THESE MATERIALS MUST NOT BE USED IN CONFINED SPACES WITHOUT ADEQUATE VENTILATION. AVOID PROLONGED OR REPEATED CONTACT OF STRIPPERS WITH SKIN. CHEMICALLY RESISTANT GLOVES SHALL BE WORN WHEN USING PAINT STRIPPERS. GOGGLES OR PLASTIC FACE SHIELDS AND CHEMICALLY RESISTANT COATS AND HATS SHALL BE WORN WHEN STRIPPING OVERHEAD SURFACES OR OTHER SURFACES WHERE SPLASHING MAY RESULT. ANY STRIPPER ON SKIN SHOULD BE WASHED OFF IMMEDIATELY WITH WATER. ANY MATERIALS SPLASHED IN THE EYES MUST BE FLUSHED OUT PROMPTLY WITH WATER AND THE AFFECTED PERSON SHALL REPORT TO THE MEDICAL SECTION.
B.  Paint stripping of metal detail parts may be done by immersion or by application of a stripper by brush or spray. Because of its convenience in field work, the brush-on method is the one described in the following procedures. Surfaces to be stripped should be dry and the temperature should be between 50 and 100°F. Stripping should not be done in hot sun or rain. If the surface to be stripped is excessively soiled it can be cleaned by application of the appropriate solvent alkaline or solvent emulsion cleaning agents or by solvent degreasing. Refer to Chapter 12, Cleaning and Washing. The stripper should be thoroughly mixed within its container before use, and it is advisable to keep the container covered when not in use, to avoid losses by evaporation.
CAUTION:  DO NOT USE PAINT STRIPPERS ON COMPOSITE PANELS. PAINT STRIPPERS WILL STRUCTURALLY DAMAGE COMPOSITE PANELS.
C.  Critical areas subject to damage by strippers must be protected by proper masking, using polyethylene film and aluminum adhesive tape. Areas which must be protected from strippers include lubricated parts, rubber parts, laminated plastics, fiberglass (bare or metalized), and metal bonded edges. Drain holes and vents should be plugged.
CAUTION:  PAINT STRIPPERS SHOULD NOT BE ALLOWED TO COME IN CONTACT WITH TEFLON LINED SELF-LUBRICATED BEARINGS, ELECTRICAL TERMINAL PLUGS, NYLON-COATED WIRES AND NYLON BUSHINGS. CHEMICALS IN THESE MATERIALS WILL ATTACK THE COMPONENTS.
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Oct 20/85  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  51-21-11 Page 701 

2.  Equipment and Materials
A.  Polyethylene film and suitable adhesive tape for masking
B.  Paint strippers - all purpose and qualified for use on metal parts, including steel parts heat treated above 180,000 psi.
(1)  
Turco 5351 (thick), Turco Products, Inc., P.O. Box 1055, Wilmington, California

(2)  
Nuvite 631-3A, Nuvite Chemical Compounds Corp., 213 Freeman Street, Brooklyn 22, New York

(3)  
Del Chem EZ Strip 19AC, Pennsalt Chemicals Corporation, Del Chem Division, 2700 South Eastern Avenue, Los Angeles, 22, California

NOTE:  The above materials are preferred for removal of epoxy and urethane finishes.

(4)  
DuBois R2134, DuBois Chemicals, Inc., Broadway at Seventh, Cincinnati 2, Ohio

(5)  
DuBow 1800 Sure-Strip, DuBow Chemical Corp., 39 Hanse Avenue, Freeport, L. I., New York

(6)  
Cee Bee A290, Cee Bee Chemical Company, Inc., Downey, California

(7)  
Ardrox 204, Brent Chemical Products, Ltd., Brentford, Middlesex, England

NOTE:  The order of stripping efficiency for other strippers listed has not been accurately determined. The user should check stripping efficiency on a given paint system, prior to large scale use.

(8)  
Turco 5292B, Turco Products, Inc., P. O. Box 1055, Wilmington, California

C.  Solvents
(1)  
Xylene - TT-X-916, flash point 81°F

(2)  
Toulene - TT-T-548 (JAN T-171 Grade A optional) flash point 40°F
　
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