|
F-1 Specification and Uses |
| Commercial Standard Grade |
16R1 |
| SAE Number |
F-1 |
| NTA Number |
34R1 |
| GENERAL PROPERTIES |
| Wool Content (fiber basis) |
min. 95% |
| Density (1") |
16.00 lbs/sq yd |
| Standard Thickness Range |
1/8" to 1" |
| Standard Width |
60" |
| Color |
White |
| PHYSICAL PROPERTIES
|
| Specific Gravity |
34% |
| Therm. Cond. (70F) |
0.36 btu / hr / sq ft / °F / in. |
| Thermal Expansion |
0 |
| Air Perm (1/16") |
30-Oct cfm/sq ft/0.5" H2O |
| **Liquid Absorption |
>175% by weight (1.0 sp gr) |
| ** by volume |
74 |
| Capillarity (wicking height, 575 SSU, 70F) |
4 |
| Coefficient of Friction (1) |
0.37 |
| ** Vibration Absorption (2) static load bearing cap/unit area |
High |
| Dynamic stress endurance |
High |
| Noise Reduction Coef (1") |
0.50 |
| MECHANICAL PROPERTIES |
| Tensile Strength (min) |
500 psi |
| Elongation (100 psi) |
13 % |
| Mullen Bursting Strength (1/8") |
250 psi |
| Split Resistance (min) |
33 lb/2" width |
| Hardness Range |
30-40 Shore A |
| Compressibility (10% defl), psi |
21 |
| Recovery (within 1 min after 10% defl) % |
99 |
| Abrasion Resistance (3) |
Excellent |
| CHEMICAL AND ENVIRONMENTAL PROPERTIES |
| Effect of Sunlight and Oxidation |
None |
| Solvent Resistance and Stability in Oil |
Excellent |
| Acid Resistance, dilute |
Excellent |
| Concentrated |
Good-fair |
| Alkali Resistance, dilute |
Fair |
| Concentrated |
Low |
| Temperature Range, °F |
-80 to +200 |
| TYPICAL USES |
| Bearing seals, ink rolls, polishing, printing pads, lubricator wicks,
and precision uses where high grade felt with good appearance and durability is desired.
|