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MIL-F- 14252 ( AR )
- Where rubber Is bonded to metal, the
3.6. 11.1 Rubber
metal
to
adhesive shall b e s u c h that the rubber shall resist cracking or
separation from the metal caused by bending, shock, vibration,
shear, or variations in temperature which will occur In the nor-
mal operation of the Instrument in which the part Is used. There
shall be no corrosive action due to the bonding process which
will affect the serviceability of the part.
3.6.12 Plastic materials. - Plastic materials shall have the
original smooth or polished surfaces unless objectionable glare
makes a dull surface more desirable.  All surfaces that have
been sawed, cut, or otherwise machined shall be reasonably smooth.
Mold marks and "flashing" on Injection molded plastic Items are
permissible only where the functional operation of the item Is
not impaired nor detrimental to the operation of a mating part.
3.6.12.1 thermosetting. - Thermosetting plastic material shall
conform to table II wherever applicable.
Table.II - Thermosetting Plastic Material
Use "
Material
Spec
Type
MIL-P-14
MAG
General purpose
Molded-alkyd resin
MME
Arc and flame resistant-
Molded-melamine resin
MIL-P-14
electrical
Impact resistance . ( o . 6 -
Molded-melamine resin
MIL-P-14
CMI-
#/in. notch)
5
molded-phenolic resin
MIL-P-14
MFE
Best  electrical  properties
Impact  resistant  - (2 (-
MIL-P-14
Molded-phenalic
resin
MFI-
20
#/in. notch)
Heat resists.r.t
MIL-P-14
MFH
Molded-phenolic  resin
Laminated-melamine
GMG
Electrical insulating -
MIL-P-
general purpose
15037
resin
Laminated-rods & tubes
GMG
Mechanical application
MIL-P-79
Anti-electrostatic windows
Methyl methacrylate
AEW
Electrical application
Laminated-phenolic resin L-L-31
II
Electrical application
Laminated-phenolic resin MIL-P-
FBE
15035
Laminated-phenollc resin MIL-P-
Mechanical application
FBM
15035
Laminated-phenolic resin MIL-P-3115
PBE
Electrical application
Laminated-phenololic resin MIL-P-3115
General purpose
FEG
Laminated-phenolic resin MIL-P-
NPG
Marker strips
15047
Laminated-silicone resin MIL-P-997
GSG
Fire and Arc resistant -
q
heat resistant-electrical
, Insulation
3.6.12.2
Thermoplastict rigid.- Thermoplasttc rigid molding material
shall conform to Table III wherever applicable.
q

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