Blends of natural and SBR rubber, specially compounded to be quick-sealing, non-hardening and heat resistant.
Bay State 22 (Branded) has a smooth, rotocured finish. It is a blend of natural and SBR rubber, specially compounded to be quick-sealing, non-hardening and heat resistant. It conforms easily to uneven flange surfaces.
- ASTM D-1330 Gr. I
Style #50 is a cloth-finish, drum-cured sheet. It is an excellent, low-cost, flange gasket material. Red in color.
- ASTM D-1330 Gr. II
NATURAL/SBR BLENDS SPECIFICATIONS
| STYLE | ELASTOMER | DUROMETER (SHORE A) |
TYPICAL TENSIL PSI [BAR] [MINIMUM] |
ULTIMATE ELONGATION (% MIN.) |
WIDTH* INCHES [MM] |
STANDARD GAUGE* INCHES [MM] |
TEMPERATURE RANGE |
|---|---|---|---|---|---|---|---|
| Bay State 22 Branded Red – Smooth |
Natural/SBR | 70-85 | 1,00 (700) [69 (48)] |
200 | up to 72 [1829] |
1/16, 1/8, 1/4 [1.6, 3.2, 6.4] |
-20°F to +180°F [-29°C to +82°C] |
| Style #50 Red – Cloth |
Natural/SBR | 70-85 | 800 (400) [55 (28)] |
150 | 36, 48 [914, 1219] |
1/16 thru 1/4 [1.6 thru 6.4] |
-20°F to +180°F [-29°C to +82°C] |
| Tan Gum Style #135 Tan – Smooth |
Natural | 35-45 | 3,400 (3,000) [235 (207)] |
600 | 36, 48 [914, 1219] |
1/16 thru 1 [1.6 thru 25.4] |
-20°F to +180°F [-29°C to +82°C] |