Latex
Amber, 40 durometer Also Available in Colors
Pure Gum
Smooth OD, 25' lengths R=Red B=Black
SBR
Solid, Single or Double Hole Available
Silicone Stoppers
Solid. An inorganic material, broadest temp range ( -100°F to +500°F). Great for aging. medical grades, FDA grades, colors. Not the best physical properties. Poor oil resistance.
Viton ®
Fluoroelastomer. Good to 450°F in base version, good chemical resistance, several specialty grades available to deal with low temp, higher temp, etc.
