| BLADDER OPTIONS |
COMPOUND |
TEMPERATURE LIMITS |
APPLICATIONS |
Neoprene |
0°F to +200°F (-18°C to +93°C) |
Good abrasion resistance and flex; use with moderate chemicals. |
Buna |
+10°F to +180°F (-12°C to +82°C) |
Good flex life; use with petroleum, solvents and oil-based fluids. |
EPDM |
-60°F to +280°F (-51°C to +138°C) |
Use in extreme cold; good chemical resistance with ketones, caustics. |
Hypalon |
-20°F to +275°F (-29°C to +135°C) |
Excellent abrasion resistance; good in aggressive acid applications. |
Viton |
-10°F to +350°F (-23°C to +177°C) |
Use in hot and aggressive fluids; good with aromatics, solvents, acids and oils. |
Aflas |
0°F to +400°F (-18°C to +204°C) |
High temperature, petroleum based chemicals, strong acids and bases. |
FDA Silicone |
-20°F to +300°F (-29°C to +149°C) |
FDA-approved food grade material; for use in food and pharmaceutical processing. |
FDA Buna |
+10°F to +180°F (-12°C to +82°C) |
FDA-approved food grade. Similar characteristics of Silicone. |
Santoprene |
-20°F to +225°F (-29°C to +107°C) |
Excellent choice as a low cost alternative for PTFE in many applications. |
PTFE |
+40°F to +220°F (+4°C to +104°C) |
Bellows design; excellent flex life; use with highly aggressive fluids. |
| |
| * Maximum PSI rated for ambient temperatures. |
| ** Reflects entire temperature range for all available materials. Consult BLACOH on specific materials. |