| Cork/Nitrile Blend |
| Products |
Characteristics and Uses |
Specific Gravity |
Density (ft/lbs3) |
Durometer Shore A (pts) |
Tensile Strength (psi) (min.) |
Compressibility % (400 psi) |
Recovery % (400 psi) (min) |
| HC-50 |
High compressibility and good oil resistance. Offers low swell in fuels and oils. Excellent choice where bolt pressures are low. UL approved, JMST gasket materials. |
.512-.672 |
32-42 |
50-70 |
200 |
35-45 |
80 |
| HC-60 |
Medium compressibility. Good oil resistance. Performs well with fuel and oil exposure with medium bolt pressures. UL approved, JMST gasket materials. |
.64-.88 |
40-55 |
60-80 |
250 |
25-45 |
80 |
| HC-60L |
Medium compressibility. Good oil resistance. Performs well with fuel and oil exposure with medium bolt pressures. |
.64-.88 |
40-55 |
55-75 |
200 |
25-45 |
75 |
| HC-80 |
Low compressibility, good oil resistance. Use with high bolt pressures. Recommended in automotive, fuel pump and meter applications. UL approved, JMST gasket materials. |
.832-1.088 |
52-68 |
65-86 |
250 |
10-25 |
75 |
| HC-80L |
Low compressibility, good oil resistance. Use with high bolt pressures. Recommended in automotive and fuel pump applications. UL approved, JMST & JMST2 gasket materials. |
.8-.96 |
50-60 |
65-85 |
450 |
10-25 |
80 |
| HC-85 |
Low compressibility, good oil resistance. Used in friction applications. |
.96-1.12 |
60-70 |
75-85 |
400 |
10-20 |
80 |
| Cork/Neoprene Rubber Blend |
| Products |
Characteristics and Uses |
Specific Gravity |
Density (ft/lbs3) |
Durometer Shore A (pts) |
Tensile Strength (psi) (min.) |
Compressibility % (400 psi) |
Recovery % (400 psi) (min) |
| NC-60 |
High quality, with medium compressibility and good oil resistance. Used in air or refrigeration compressors among other applications. |
.784-1.04 |
49-65 |
55-75 |
200 |
23-40 |
80 |
| NC-80 |
Firm material. High tensile and tear resistant, low compression set. Excellent heat resistance and moderate swell in fuels and oils. |
.8-.96 |
50-60 |
55-75 |
250 |
25-35 |
80 |
| Cork/Sponge Blend |
| Products |
Characteristics and Uses |
Specific Gravity |
Density (ft/lbs3) |
Durometer Shore A (pts) |
Tensile Strength (psi) (min.) |
Compressibility % (400 psi) |
Recovery % (400 psi) (min) |
| SP-50 |
Nitrile based. Good oil resistance. Very soft material. Conforms well where flange irregularities and low load pressures are present. |
0.4 |
25 (min) |
40-60 |
50 |
20-40 |
80 |
| SP-51 |
Hypalon based. High quality with good heat and oil resistance. It's soft sealing characteristics provide good sealing in environments requiring temperature, fluid, and atmospheric exposure resistance. |
.48-.72 |
30-45 |
45-60 |
125 |
40-60 |
80 |
| SP-52 |
Neoprene based. Moderate oil resistance. Used for oil sealing in low torque applications. Used for die ejection, as well as cushioning for furniture and insulation on windows and doors. |
.48-.72 |
30-45 |
46-66 |
100 |
40-60 |
75 |
| SP-74 |
SBR based. Highly compressible. Used for die ejection, noise reduction, matting, cushioning, fatigue and compression mats under equipment and furniture. |
.56-.8 |
35-50 |
45-60 |
175 |
35-55 |
80 |
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