"-P" Brushes are soft and slightly firm that gradually becomes thinner towards the edges making these brushes useful in a number of different applications. These brushes are also water resistant and can tolerate temperatures up to 500 degrees Fahrenheit.
Horse Hair Bristles
"-H" Brushes are soft and slightly stiff like the hog hair and are mostly used in scratch free applications on a dry surface. These brushes are heat resistant up to 370 degrees Fahrenheit.
"-N" Brushes are mush more durable then the horse hair and hog hair brushes. Also these brushes resist solvents, most chemicals, and bacteria. However these bristles only resist temperatures up to 250 degrees Fahrenheit.
Stainless Steel Bristles
"-S" Brushes are resistant to oxidization and corrosion. This bristle type is also a great choice for both wet and dry applications