Mega offers standard capillary GC Columns :

MEGA1 - 100% Methyl Polysiloxane (Apolar Stationary Phase) 

MEGA5 - 5% Phenyl, 95% Methyl Polysiloxane (Low Polarity Stationary Phase) 

MEGA17 - 50% Phenyl, 50% Methyl Polysiloxane (Mid to High Polarity Stationary Phase)

MEGA1701 - 14% Cyanopropylphenyl, 86% Methyl Polysiloxane (Intermediate Polarity Stationary Phase) 

MEGASE52 - 5% Phenyl, 95% Methyl Polysiloxane (Low Polarity Stationary Phase)

MEGASE54 - 5% Phenyl, 1% Vinyl, 94% Methyl Polysiloxane (Low Polarity Stationary Phase)

MEGAWAX - Polyethylene glycol (PEG) (High Polarity Stationary Phase)