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Material Data Sheets - Chart 1
|
Property |
Units | Test Method ASTM |
ABS | Cast Acrylic | Delrin | Delrin AF |
| Specific Gravity | -- | D-792 | 1.04 | 1.18-1.20 | 1.42 | 1.54 |
| Tensile Strength, 73°F | psi | D-638 | 2,400 - 9,000 | 9,000 | 10,000 | 7,600 |
| Tensile
Modulus of Elasticity, 73°F |
psi | D-638 | 100,000 - 380,000 | 350,000 - 500,000 | 450,000 | 420,000 |
| Elongation, 73°F | % | D-638 | 10 - 140 | 2.0 | 75 | 22 |
| Flexoral Strength, 73°F | psi | D-790 | 3,600 - 14,500 | 14,000 | 14,300 | 10,500 |
| Flexoral
Modulus of Elasticity, 73°F |
psi | D-790 | 130,00 - 160,000 | 350,000 - 500,000 | 380,000 | 340,000 |
| Shear Strength, 73°F | psi | D-732 | -- | -- | 9,500 | |
| Compressive Strength | psi | D-695 | 2,500 - 11,000 | 14,000 - 18,000 | 5200 | 4500 |
| Compressive
Modulus of Elasticity, 73°F |
psi | D-695 | -- | -- | -- | -- |
| Coefficient of Friction (Dry vs. Steel) Dynamic | -- | -- | -- | -- | .3 | .14 |
| Hardness, Rockwell, 73°F | -- | D-785 | R86-101 | M80 - M100 | R120 | R118 |
| Hardness, Durometer, 73°F | -- | D-676 | -- | -- | -- | -- |
| Tensile Impact, 73°F | ft.lb. / in(2) | D-1822 | -- | -- | 170 | 50 |
| Property | Units | Test Method ASTM |
ABS | Cast Acrylic | Delrin | Delrin AF |
| Coefficient of Linear Thermal Expansion | in./in./°F | D-696 | 6-13 x 10(-6) | 4.5 x 10(-5) | 6.8
x 10(-5) (85 - 140°F) |
6.8
x 10(-5) (85 - 140°F) |
| Deformation
under Load (122°F, 2,000 psi) |
% | D-621 | -- | -- | 0.5 | 0.6 |
| Deflection
Temperature, 264 psi |
°F | D-648 | -- | -- | 277 | 244 |
66 psi |
°F | D-648 | -- | -- | 342 | 334 |
| Melting Point | °F | D-789 | -- | -- | 347 | 347 |
| Continuous Service Temperature in Air (max) | °F | -- | 140-230 | 150 | 180 | 180 |
| Dielectric
Strength, Short Time |
volts / mil. | D-149 | 310-410 | 400(2) | 500 | 400 (125mils.) |
| Volume Resistivity | ohm-cm. | D-257 | 3.8 x 10(16) | 10(15) | 1 x 10(15) | 3 x 10(16) |
| Dielectric Constant, 60 Hz | -- | D-150 | 2.87 | 3.5 - 4.5 | 3.7 | 3.1 |
10(3) Hz |
-- | D-150 | -- | 3.0 - 3.5 | 3.7 | 3.1 |
10(6) Hz |
-- | D-150 | -- | 3.0 | 3.7 | 3.1 |
| Property | Units | Test Method ASTM |
ABS | Cast Acrylic | Delrin | Delrin AF |
| Water Absorption, Immersion (24 hours) | % | D-570 | .43 | .3 | .25 | .20 |
| Water Absoption, Saturation | % | D-570 | -- | -- | .90 | .72 |
| Acids, Weak, 73°F | -- | -- | -- | A | A | A |
| Acids, Strong, 73°F | -- | -- | -- | U | U | U |
| Alkalies, Weak, 73°F | -- | -- | -- | A | A | A |
| Strong, 73°F | -- | -- | -- | L | U | U |
| Hydrocarbons, Aromatic, 73°F | -- | -- | -- | U | A | A |
| Hydrocarbons, Aliphatic, 73°F | -- | -- | -- | A | A | A |
| Ketones, 73°F | -- | -- | U | U | A | A |
| Ethers, 73°F | -- | -- | U | U | A | A |
| Esters, 73°F | -- | -- | -- | U | A | A |
| Alcohols, 73°F | -- | -- | A | -- | A | A |
| Inorganic Salt Solutions, 73°F | -- | -- | -- | -- | -- | -- |
| Continuous Sunlight, 73°F | -- | -- | -- | L | -- | -- |
| A | = Acceptable Service | (1) | ASTM B-1457 used for thin specimens |
| L | = Limited Service | (2) | .080" thick |
| U | = Unacceptable | (3) | 122 F, 4,000 psi |
| NR | = Not Rated | (4) | ASTM
D-1708 (1/8" thick specimen @ .05"/min.) |
| -- | = Must Check Concentration | (5) | 150 F, 4,000 psi |
| (6) | .040" thick | ||
| (7) | Specimen
1/8" thick, 2" diameter |
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