Warmtestabilisatie
Geen warmtestabilisatie - temperaturen tot 120 °C
Speciale behandeling
Geen speciale behandeling
Suffix-omschrijving
BModified Internal Design
VK189V Combined With A Second Letter, Identifies A Variant Group, And Followed By A Three- Or Four-Figure Number Denotes Variants Not Covered By "Standard" Designation Suffixes