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| MIL-R-23016(Wep)
3.1.12.1
(Continued)
This shall not preclude the use of the above materials in her-
metically sealed assemblies, and other accepted proven and
qualified products. If it is necessary to use these materials
in other than heretically sealed assemblies, paper capacitors,
treated transformers, and other approved products, they shall
be treated in accordance with the applicable paragraphs of this
specification, and their use shall be subject to the approval
of the procuring activity.
The following types of materials are generally considered non-nu-
3.1.12.2
trients, and shall be used in preference to any of those listed
in the preceding paragraph:
(a)
Metals
(b)
Ceramics
(c)
Mica
(d)
Glass
Nylon
(e)
(f)
Orion
Saran
(g)
(h)
Polyethylene
Teflon
(i)
Kel-F
(j)
(k)
Natural rubber, compounded
(m)
Synthetic rubbers:
(1) Neoprene
(2) Buna N
(3) Buna S
(4) Silicone
(5) Butyl
(6) Thiokol
(n) Plastics without fillers or laminates with glass, nylon,
mica, or asbestos fillers:
(1) Melamine-formaldehyde
(2) Polymethyl methacrylate
(3) Urea-formaldehyde
(4) Phenol-formaldehyde
(5) Silicone resin
(o) Chemically altered cotton:
(1) 12.6 0.4 percent acetylated cotton
(p) Polyvinyl chloride (fungus-resistant grades only)
(q) Epoxy resin (fungus-resistant grades only)
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