MIL-DTL-3432J
APPENDIX B
INSULATING AND JACKETING COMPOUND PHYSICAL AND MATERIAL REQUIREMENTS
B.1 SCOPE
B.1.1 Scope. This appendix contains detailed requirements for insulating and jacketing compounds. The
requirements shown may be verified using test procedures from a nationally recognized standards organization such
as ASTM, etc. This Appendix is a mandatory part of the specification. The information contained herein is for
compliance only.
TABLE B-I. Insulating and jacketing compound designators.
DESIGNATOR
DESCRIPTION
PHYSICAL PROPERTY
REQUIREMENTS
IS
MEDIUM LOW TEMPERATURE, STYRENE BUTADIENE RUBBER
B.2.1
(SBR)
IS-L
LOW TEMPERATURE, HEAT RESISTANT STYRENE BUTADIENE
B.2.2
RUBBER (SBR)
IR
LOW TEMPERATURE, NATURAL RUBBER
B.2.3
IL
LOW TEMPERATURE, NATURAL RUBBER DEPOSITED FROM A
B.2.4
RUBBER LATEX COMPOUND
IH
LOW TEMPERATURE, HEAT AND OZONE RESISTANT,
B.2.5
ETHYLENE-PROPYLENE RUBBER (EPM) OR ETHYLENE-
PROPYLENE-DIENE RUBBER (EPDM)
IE
POLYETHELYNE, LOW DENSITY, CRACK RESISTANT, HIGH
B.2.6
FREQUENCY DIELECTRIC IN NATURAL COLORS, MELT INDEX
0.4 MAX.
TPE -S
LOW TEMPERATURE HEAT AND OZONE RESISTANT, STYRENIC
B.2.7
THERMOPLASTIC ELASTOMER
TPE-O
LOW TEMPERATURE WEATHER RESISTANT, OLEFINIC
B.2.8
THERMOPLASTIC ELASTOMER
JS-L
LOW TEMPERATURE, HEAT RESISTANT, STYRENE- BUTADIENE
B.2.9
RUBBER
JR
LOW TEMPERATURE NATURAL RUBBER
B.2.10
JN(CR)
MODERATE LOW TEMPERATURE CHLOROPRENE RUBBER (CR)
B.2.11
JN-L(CR)
LOW TEMPERATURE CHLOROPRENE RUBBER
B.2.12
JH
LOW TEMPERATURE, HEAT AND WEATHER RESISTANT,
B.2.13
ETHYLENE PROPYLENE (EPM), OR ETHYLENE-PROPYLENE-
DIENE RUBBER (EPDM)
JU
LOW TEMPERATURE HEAT AND WEATHER RESISTANT,
B.2.14
POLYURETHANE THERMOPLASTIC ELASTOMER
JN
MODERATE LOW TEMPERATURE, CHLORINATED
B.2.15
POLYETHYLENE RUBBER (CM)
JN-L
LOW TEMPERATURE, CHLORINATED POLYETHYLENE RUBBER
B.2.16
(CM)
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