This layer is only used for multi-core cables.

Symbol
$M_{\mathrm{ab}}$
Unit
-
Related
$\rho_{\mathrm{ab}}$
Choices
IdMaterial name
PEPolyethylene (LDPE)
PVCPolyvinyl chloride (PVC)
EPREthylene-propylene rubber (EPR, EPDM)
POCPolyolefin copolymer (POC)
IIRButyl rubber (IIR isobutylene isoprene rubber)
NRNatural rubber (NR)
PPPolypropylene (PP)
SiRSilicone rubber (SiR)
CRPolychloroprene (CR, Neoprene)
CSMChlorosulphonated polyethylene (Hypalon)
CJCompounded jute
RSPRubber (sandwich protection)
BITPVC/bitumen tapes
FPOCFibrous polyolefin copolymer
FPPFibrous polypropylene
tapeWater-blocking tapes
OtOther (user defined)