TO 1-1-700 - Robins Air Force Base

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TO 1-1-700 MIL-A-46106, ADHESIVE/SEALANT, SILICONE RTV, CORROSIVE 18 MIL-A-46146, ADHESIVE/SEALANT, SILICONE RTV, NON-CORROSIVE, GROUP I/II/III, TYPE I OR GROUP I, TYPE II 19 Room Temperature Vulcanizing (RTV) silicones conforming to MIL-A-46106 produce acetic acid (vinegar smell) which is corrosive. Therefore, as a rule of thumb, if the RTV silicone material smells like vinegar, don't use it unless required by the equipment specific manual. 12.3.3 Silicone Sealing Compounds. These materials are generally one component Room Temperature Vulcanizing (RTV) materials which cure by reacting with moisture in the air. If silicones are applied too thick or in such a way that moisture is prevented from entering the material, they may not cure at all. In addition, many unauthorized silicone sealing compounds produce acetic acid, indicated by a vinegar smell, while curing which can lead to severe corrosion problems. There are two silicone sealant specifications, MIL-A-46146 and MIL-A-46106. Only MIL-A-46146 materials are non-corrosive. MIL-A-46106 materials give off acetic acid while curing and shall not be used on Air Force equipment, in particular on electronic and electrical equipment unless specifically required by the equipment specific manual. Table 12-1. Sealing Compounds Specification Types Available Properties Intended Use MIL-PRF-81733, SEALING AND COATING COMPOUND, CORROSION INHIBITIVE 48 MIL-PRF-81733 (supersedes MIL-S-81733), Sealing and Coating Compound, Corrosion Inhibitive Class 1 - Polysulfide Class 2 - Polythioether Grade A - Chromate Inhibitors Grade B - Non-Chromate Inhibitors Type I (thin) - for brush or dip application Type II (thick) - for sealant gun or spatula application Type III (sprayable) - for spray gun application Type IV (spreadable) - for faying surface sealing requiring extended assembly times Two-components: Room Temp Cure; Service Temp: -65 ºF to +250 º F (-54 °C to +121 °C); Peel strength: 15 lb/in width (min); Corrosion inhibiting; Resists fuel, oil, and hydraulic fluid. Sealing faying surfaces and for wet installation of fasteners on permanent structure repairs. Class 1, Grade A materials are the preferred sealants for these applications as they provide the best corrosion protection. 12-2
TO 1-1-700 Table 12-1. Sealing Compounds - Continued Specification Types Available Properties Intended Use SAE AMS-S-8802, SEALING COMPOUND (POLYSULFIDE) 62 SAE AMS-3276 (MIL-S-83430), SEALING COMPOUND, INTEGRAL FUEL TANK 59 SAE AMS-S-8802 (supersedes MIL-S-8802), Sealing Compound, Temperature Resistant, Integral Fuel Tanks and Fuel Cell Cavities, High Adhesion (Polysulfide) Class A (thin) - for brush application Class B (thick) - for sealant gun or spatula Class C (spreadable) - for use where extended assembly times are required Two-components; Room temp cure; Service temp: -65 ºF to +250 ºF (-54 °C to + 121 °C); Peel strength: 20 lb/in width (min); No corrosion inhibitors; Used for sealing voids and cavities. Not to be exposed to fuel or overcoated until tackfree. NOTE: Although this sealant was originally intended for sealing integral fuel tanks on aircraft, it is included here because it is used for other applications. Resists fuel, oil, and hydraulic fluid. SAE AMS 3276 (supersedes MIL-S-83430), Sealing Compound, Integral Fuel Tanks and General Purpose (Polysulfide) Class A (thin) - for brush application Class B (thick) - for sealant gun or spatula application Class C (thick) - for use where extended assembly times are required Class D (thick) - for hole and void filling Class E (thick) - for automatic riveting equipment application Two-components; Room temp cure; Service Temp: -65 ºF to +250 ºF (-54 °C to + 121 °C) sustained, intermittent (about 6 hours max.) exposure to 360 °F (182 °C); Peel strength: 20 lb/in width (min.); No corrosion inhibitors Resists fuel, oil, and hydraulic fluid. For higher temperature applications. Used for hole and void filling; for faying surface sealing, wet-installation of fasteners, overcoating fasteners, and sealing joints and seams in fuel wet areas; and for non-structural adhesive bonding. Treat bond surfaces with SAE AMS 3100 adhesion promoter to enhance sealant adhesion. NOTE: Although this sealant was originally intended for sealing integral fuel tanks on aircraft, it is included here because it is used for other applications. 12-3
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TO 1-1-700 TECHNICAL MANUAL CORROSI
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TO 1-1-700 TABLE OF CONTENTS Chapte
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TO 1-1-700 TABLE OF CONTENTS - CONT
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TO 1-1-700 LIST OF ILLUSTRATIONS -
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TO 1-1-700 FOREWORD 1. PURPOSE. The
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TO 1-1-700 List of Related Publicat
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TO 1-1-700 SAFETY SUMMARY 1. GENERA
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TO 1-1-700 AMS-G-6032, GREASE, PLUG
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TO 1-1-700 MIL-DTL-64159, COATING,
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TO 1-1-700 MIL-PRF-27617, GREASE, A
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TO 1-1-700 O-L-164, DRESSING, LEATH
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TO 1-1-700 MIL-T-81772, THINNER, PO
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TO 1-1-700 tronics equipment and th
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TO 1-1-700 cleaning situation, syst
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TO 1-1-700 c. Riveted joints shall
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TO 1-1-700 c. Remove and replace an
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TO 1-1-700 MIL-L-87177, LUBRICANT,
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TO 1-1-700 Figure 3-1. Simplified C
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TO 1-1-700 resistant, and also at t
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TO 1-1-700 is first noticeable as a
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TO 1-1-700 3.7.8 Oxygen Concentrati
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TO 1-1-700 Figure 3-14. Concentrati
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TO 1-1-700 Figure 3-17. Galvanic Se
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TO 1-1-700 Figure 3-20. Aluminum Su
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TO 1-1-700 3.8.7 CRES/Stainless Ste
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TO 1-1-700 3.9.10 Climate. Warm, mo
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TO 1-1-700 3.11 PREVENTATIVE MAINTE
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TO 1-1-700 CHAPTER 4 COMPOSITE AND
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TO 1-1-700 4.4.4.4 Glass parts shal
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TO 1-1-700 CHAPTER 5 PACKAGING (STO
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TO 1-1-700 extent of damage dependi
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TO 1-1-700 5.15 PRECAUTIONS FOR VCI
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TO 1-1-700 c. Secure the desiccant
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TO 1-1-700 Figure 5-8. Shock Isolat
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TO 1-1-700 Figure 5-9. Examples of
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TO 1-1-700 5.24.10 Rigid or Flexibl
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TO 1-1-700 CHAPTER 6 MOISTURE AND F
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TO 1-1-700 c. 6.2.6 Felt. Examine f
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TO 1-1-700 a. After first directing
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TO 1-1-700 6.4.5.14 Terminals, scre
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TO 1-1-700 NOTE • Authorized clea
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TO 1-1-700 Table 7-1. Cleaning of S
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TO 1-1-700 7.3.1.2.3 Portable, 45 g
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TO 1-1-700 Table 7-2. Common Milita
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TO 1-1-700 inactivity, storage, or
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TO 1-1-700 7.5.6.5.1 Grade 1 - A th
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TO 1-1-700 Table 7-4. Corrosion Pre
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TO 1-1-700 Table 7-5. Preservation
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TO 1-1-700 either case, MIL-PRF-269
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TO 1-1-700 MIL-PRF-85285, COATING,
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TO 1-1-700 c. Cadmium plated surfac
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TO 1-1-700 a. Scuff sand and feathe
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TO 1-1-700 7.7.7.2 If surface is no
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TO 1-1-700 7.7.9.2 Where only parti
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TO 1-1-700 7.8.1 Type I Application
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TO 1-1-700 Extend (Loctite) 32150 J
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TO 1-1-700 There are three ways to
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TO 1-1-700 vulnerable surfaces clea
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TO 1-1-700 Table 8-2. Materials, Th
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TO 1-1-700 Table 8-4. Electronic Cl
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TO 1-1-700 Table 8-5. Accessories o
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TO 1-1-700 Table 8-5. Accessories o
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TO 1-1-700 f. Devices with permanen
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TO 1-1-700 Table 8-7. Cleaning and
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TO 1-1-700 MIL-PRF-87937, CLEANING
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TO 1-1-700 of contamination). Maint
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TO 1-1-700 8.8.2 Protective Coating
Page 164 and 165: TO 1-1-700 • Tube clamps. • Min
Page 166 and 167: TO 1-1-700 a. For bonding/grounding
Page 168 and 169: TO 1-1-700 vertently destroy the mo
Page 170 and 171: TO 1-1-700 doors, and other corrosi
Page 173 and 174: TO 1-1-700 CHAPTER 10 CORROSION PRO
Page 175 and 176: TO 1-1-700 MIL-PRF-81733, SEALING A
Page 177 and 178: TO 1-1-700 d. After corrosion is re
Page 179 and 180: TO 1-1-700 (3) Stainless/CRES steel
Page 181 and 182: TO 1-1-700 10.9 WATER ENTRAPMENT AR
Page 183 and 184: TO 1-1-700 f. Shield equipment from
Page 185 and 186: TO 1-1-700 b. Use e-inch rivnuts of
Page 187 and 188: TO 1-1-700 10.17.3 If the plating s
Page 189: TO 1-1-700 Figure 10-16. Dissipatio
Page 192 and 193: TO 1-1-700 (2) If allowable damage
Page 194 and 195: TO 1-1-700 Table 11-1. Recommended
Page 196 and 197: TO 1-1-700 11.6 3M CO. SCOTCH-BRITE
Page 198 and 199: TO 1-1-700 11.11.2 Control of Mecha
Page 200 and 201: TO 1-1-700 11.12.2 Mechanical Damag
Page 202 and 203: TO 1-1-700 MIL-DTL-81706 (ALODINE),
Page 204 and 205: TO 1-1-700 11.13.2.3 Application of
Page 206 and 207: TO 1-1-700 only when there is no da
Page 208 and 209: TO 1-1-700 NOTE SEMCO PASA-JELL 101
Page 210 and 211: TO 1-1-700 (CRES), lead, ceramic, g
Page 212 and 213: TO 1-1-700 11.13.7.2 Treatment of C
Page 216 and 217: TO 1-1-700 Table 12-1. Sealing Comp
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Page 226 and 227: TO 1-1-700 Figure 12-2. Sealant App
Page 228 and 229: TO 1-1-700 Figure 12-4. Rivet Appli
Page 230 and 231: TO 1-1-700 Figure 12-6. Sealant Inj
Page 232 and 233: TO 1-1-700 below and adhere very po
Page 234 and 235: TO 1-1-700 Table 12-2. Time Require
Page 236 and 237: TO 1-1-700 Table 12-2. Time Require
Page 238 and 239: TO 1-1-700 of 20 to 25 seconds in a
Page 240 and 241: TO 1-1-700 d. Remove all uncured se
Page 246 and 247: TO 1-1-700 Figure 12-12. Typical Me
Page 248 and 249: TO 1-1-700 may be used for low temp
Page 250 and 251: TO 1-1-700 Figure 12-14. Sealing Pr
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TO 1-1-700 - Robins Air Force Base

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