Type 6, Type 6.6, Type 6.12
There are several grades of Nylon all with their own intrinsic properties.
Nylon type 6 is the most economical grade.
Specific gravity: 1.12gm per c.c.
Water absorption: around 10% with some loss of rigidity
Temperature tolerance: resists boiling water, begins to deform at 120° C
Typical applications: Technical Brushes, Roller Brushes, Strip Brushes, Domestic Brushes