Limited support
This feature is only present in Portal 2: Community Edition and Portal: Revolution.
Caution:

BasePaintType is an internal entity and should not be used on its own.

BASE BasePaintType

Paint Type property.

KeyValues

Paint Type <choices> = Repulsion Gel (0)

The type of Gel created.

Possible Values:

Name Value
Repulsion Gel 0
Reflection Gel 1
Propulsion Gel 2
Conversion Gel 3
Cleansing Gel 4
Adhesion Gel 5

[H] Paint Type <choices> = Repulsion Gel (0)

The type of gel displayed in Hammer.

Possible Values:

Name Value
Repulsion Gel 0
Reflection Gel 1
Propulsion Gel 2
Conversion Gel 3
Cleansing Gel 4
Adhesion Gel 5