|
Acetal(POM)
Acetal(¾Æ¼¼Æ®¾Ëµ¥ÀÌÃ÷µð¿¡Ä¥·»)= POM( Poly-Oxy-Methylene)Àº µ¿ÀÏ Çöó½ºÆ½À» ÀǹÌÇϸç, °ÇÏ°í ´Ü´ÜÇÏ¸ç °¡°ø¼ºÀÌ ÁÁÀ¸¸ç ³·Àº ¸¶Âû°è¼ö¿Í ³»¸¶¸ð¼ºÀ» °¡Á® ±â¾î µîÀ¸·Î ¸¹ÀÌ »ç¿ëµÇ¸ç, Á¾·ù·Î´Â homo-polymer¿Í co-polymer·Î ³ª´²Áö´Âµ¥ ½ÃÁß¿¡¼ ÈçÈ÷ »ç¿ëÇÏ´Â °ÍÀº POM-C·Î º¸¸é µÈ´Ù.
Ư¼º POM C /H
³õÀº °µµ
¼öÄ¡¾ÈÁ¤¼º
¸Å¿ì ³·Àº ¼öºÐÈí¼öÀ²
ÁÁÀº ³»¸¶¸ð ¸¶Âû¼º(³·Àº ¸¶Âû°è¼ö)
±¤¹üÀ§ÇÑ ³»ÈÇмº
¶Ù¾î³ °¡°ø¼º(Bur ¹ß»ýÀÌ ¸Å¿ì Àû´Ù)
ÁÁÀº Àü±âÀý¿¬¼º
½Ç¿Üȯ°æ ¹× °í¿¡³ÊÁö ¹æ»ç¼±»ç¿ë À¯ÀÇ
-60~95¡É
¿ëµµ : ±â¾îÈÙ, °íÇÏÁß º£¾î¸µ°¡À̵å, ¿þ¾î ½ºÆ®¸³, Àü±âºÎÇ°, ÆßÇÁÇÏ¿ì¡, ÀÓÆç·¯ º£¾î¸µ,
º§ºê(¾Á)
POM C / H ºñ±³ ( Acetal) |
Acetal Copolymer |
Acetal Homopolymer(DELRIN) |
³»ÈÇмºÀÌ ´õ ÁÁÀ½
¿¬¼Ó »ç¿ë¿Âµµ 100µµ¾¾
À¶Á¡ 165µµ¾¾
ºñÁß 1.43
³»°¡¼öºÐÇؼºÀÌ ´õ ÁÁÀ½
°¾ËÄ«¸®¿¡ ´õ ³ôÀº ³»¼º |
¹°¸®Àû Ư¼ºÀÌ Á¶±Ý ´õ ÁÁÀ½
¿¬¼Ó »ç¿ë¿Âµµ 90µµ¾¾
À¶Á¡ 175µµ¾¾
ºñÁß 1.43
±â°èÀû°µµ, °æµµ µîÀÌ Á¶±Ý ´õ ÁÁÀ½
³»¸¶¸ð¼ºÀÌ ´õ ÁÁÀ½ |
DELRIN Color
-Copolymer(unfilled) : Èò»ö, °ËÁ¤, ȸ»ö, û»ö, ³ì»ö, Ȳ»ö, °¥»ö, Àû»ö µî
-Homopolymer(unfiled) : °ËÁ¤, Èò»ö
-DELRIN AF(Derin H+PTFE) : °¥»ö
ASTM or UL test |
Property |
Acetal
Copolymer |
Delrin ®
Homopolymer |
Delrin ® AF
PTFE-filled |
PHYSICAL |
D792 |
Density (lb/in©ø)
(g/cm©ø) |
0.051
1.41 |
0.051
1.41 |
0.054
1.50 |
D570 |
Water Absorption, 24 hrs (%) |
0.2 |
0.2 |
0.2 |
MECHANICAL |
D638 |
Tensile Strength (psi) |
9,500 |
11,000 |
8,000 |
D638 |
Tensile Modulus (psi) |
400,000 |
450,000 |
435,000 |
D638 |
Tensile Elongation at Break (%) |
30 |
30 |
15 |
D790 |
Flexural Strength (psi) |
12,000 |
13,000 |
12,000 |
D790 |
Flexural Modulus (psi) |
400,000 |
450,000 |
435,000 |
D695 |
Compressive Strength (psi) |
15,000 |
16,000 |
16,000 |
D695 |
Compressive Modulus (psi) |
400,000 |
450,000 |
350,000 |
D785 |
Hardness, Rockwell |
M88 / R120 |
M89 / R122 |
M85 / R115 |
D256 |
IZOD Impact Notched (ft-lb/in) |
1.0 |
1.0 |
0.7 |
THERMAL |
D696 |
Coefficient of Linear Thermal Expansion
(x 10-5 in./in./¡ÆF) |
5.40 |
4.70 |
5.00 |
D648 |
Heat Deflection Temp (¡ÆF / ¡ÆC)
at 264 psi |
220 / 104
|
250 / 121
|
244 / 118
|
D3418 |
Melting Point Temp (¡ÆF / ¡ÆC) |
335 / 168 |
347 / 175 |
347 / 175 |
- |
Max Operating Temp (¡ÆF / ¡ÆC) |
180 / 82 |
180 / 82 |
180 / 82 |
C177 |
Thermal Conductivity
(BTU-in/ft©÷-hr-¡ÆF)
(x 10-4 cal/cm-sec-¡ÆC) |
1.6
5.5
|
2.5
8.6
|
-
|
UL94 |
Flammability Rating |
HB |
HB |
HB |
ELECTRICAL |
D149 |
Dielectric Strength (V/mil) short time, 1/8" thick |
420 |
450 |
400 |
D150 |
Dielectric Constant at 1 MHz |
3.8 |
3.7 |
3.1 |
D150 |
Dissipation Factor at 1 MHz |
0.005 |
0.005 |
0.010 |
D257 |
Volume Resistivity (ohm-cm) at 50% RH |
1015 |
1015 |
3.0 x 1016 |
DELRIN is a registered trademark of DuPont
|