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PEI (Ultem)
Ultem PEI(PolyEtherImide)´Â °¡Àå ¸¹ÀÌ »ç¿ëÇÏ´Â °í±â´É Çöó½ºÆ½ Áß Çϳª·Î ¹«Á¤Çü¿°¡¼Ò¼º Çöó½ºÆ½ÀÌ´Ù(Amorphous thermoplastic). ¶Ù¾î³ °µµ/°æµµ, Àü±âÀû Ư¼º, ³»½ºÆÀ¼º ¹× ³»¿¼º(170¡É)À¸·Î ÀǾàÇ° ¼³ºñ, Ç×°ø ¹× Àü±âÀüÀÚ, Åë½Å, ¹ÝµµÃ¼ ºÎÇ° ¹× Á¶¼± µî¿¡ ±¤¹üÀ§ÇÏ°í ´Ù¾çÇÏ°Ô »ç¿ëµÇ°í ÀÖ´Ù.
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Ultem® 1000 - ¼ø¼öµî±Þ
°í¿Â ¹× ¼öºÐȯ°æ¿¡¼ ¶Ù¾î³ ¹°¼º. ¾ÈÁ¤µÈ °¡¼öºÐÇؼº(²ú´Â ¹° 10,000½Ã°£ ÈÄ ÀÎÀå°µµ 85% À¯Áö, 130¡É ½ºÆÀ¿ÀÅäŬ·¹À̺ê 2000ȸ »ç¿ë ÈÄ 100% ÀÎÀå°µµ À¯Áö. UV /gamma radiation ³»¼º.
Ultem® 2100 - 10% glass filled, Ultem® 2200 - 20% glass filled,
Ultem® 2300 - 30% glass filled
Ultem 1000¹øÀÇ Æ¯¼º¿¡ ´õ ³ôÀº °µµ ¹× Ä¡¼ö¾ÈÁ¤¼º À¯Áö.
¹«°Ô´ëºñ °µµ ¹× º¸°µÈ ÀÎÀå°µµ
TYPICAL PROPERTIES of ULTEM®
|
ASTM or UL test |
Property |
Ultem® 1000
unfilled |
Ultem® 2300
30% glass |
PHYSICAL |
D792 |
Density (lb/in©ø)
(g/cm©ø) |
0.046
1.28 |
0.055
1.51 |
D570 |
Water Absorption, 24 hrs (%) |
0.25 |
0.18 |
MECHANICAL |
D638 |
Tensile Strength (psi) |
16,500 |
17,000 |
D638 |
Tensile Modulus (psi) |
475,000 |
800,000 |
D638 |
Tensile Elongation at Break (%) |
80 |
3.0 |
D790 |
Flexural Strength (psi) |
20,000 |
30,000 |
D790 |
Flexural Modulus (psi) |
500,000 |
900,000 |
D695 |
Compressive Strength (psi) |
22,000 |
32,000 |
D695 |
Compressive Modulus (psi) |
480,000 |
620,000 |
D785 |
Hardness, Rockwell |
M112 / R125 |
M114 / R127 |
D256 |
IZOD Notched Impact (ft-lb/in) |
0.5 |
1.0 |
THERMAL |
D696 |
Coefficient of Linear Thermal Expansion
(x 10-5 in./in./¡ÆF) |
3.1 |
1.1 |
D648 |
Heat Deflection Temp (¡ÆF / ¡ÆC)
at 264 psi |
392 / 200
|
410 / 210
|
D3418 |
Glass Transition Temp (¡ÆF / ¡ÆC) |
419 / 215 |
419 / 215 |
- |
Max Operating Temp (¡ÆF / ¡ÆC) |
340 / 171 |
340 / 171 |
C177 |
Thermal Conductivity
(BTU-in/ft©÷-hr-¡ÆF)
(x 10-4 cal/cm-sec-¡ÆC) |
0.90
3.10
|
0.90
3.10
|
UL94 |
Flammability Rating |
V-O |
V-O |
ELECTRICAL |
D149 |
Dielectric Strength (V/mil) short time, 1/8" thick |
830 |
770 |
D150 |
Dielectric Constant at 1 MHz |
3.15 |
3.70 |
D150 |
Dissipation Factor at 1 MHz |
0.0013 |
0.0015 |
D257 |
Volume Resistivity (ohm-cm)at 50% RH |
6.7 x 1017 |
3.0 x 1016 |
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