Symbol | Single layer | Double layer with inner silicon profile | Smooth inner profile | Grooved inner profile | Flammable, halogen free | Self-extinguishing | Self-extinguishing, halogen free |
---|---|---|---|---|---|---|---|
FG | yes | yes | yes | ||||
FG-FR | yes | yes | yes | ||||
FG-HFFR | yes | yes | yes | ||||
FGG | yes | yes | yes | ||||
FGG-FR | yes | yes | yes | ||||
FGG-HFFR | yes | yes | yes | ||||
FGS | yes | yes | yes | ||||
FGS-FR | yes | yes | yes | ||||
FGS-HFFR | yes | yes | yes | ||||
FGGS | yes | yes | yes | ||||
FGGS-FR | yes | yes | yes | ||||
FGGS-HFFR | yes | yes | yes |