Krytox Oils & Greases (PFPE Oils & Greases)
±ØÇÑ Á¶°ÇÀ» À§ÇÑ ÃÖ°íÀÇ ¼º´É
¼ö½Ê ³â µ¿¾È ¿£Áö´Ï¾îµéÀº ºÎǰ °íÀåÀ» ÁÙÀÌ°í »ç¿ë ¼ö¸íÀ» ¿¬ÀåÇϸç À¯Áö °ü¸® ºñ¿ëÀ» Àý°¨Çϱâ À§ÇØ ¿À·¡ Áö¼ÓµÇ´Â Krytox¢â °í¼º´É À±È°Á¦¸¦ »ç¿ëÇØ ¿Ô½À´Ï´Ù.
¿ìÁÖ¼±ºÎÅÍ °¡È¤ÇÑ Á¦Á¶ Á¶°Ç¿¡ À̸£±â±îÁö Krytox¢â ¼º´É À±È°Á¦´Â ´Ù¾çÇÑ »ê¾÷ ºÐ¾ßÀÇ °¡Àå Ȥµ¶ÇÑ È¯°æ¿¡¼ ¾î·Á¿î °úÁ¦¸¦ ÇØ°áÇÏ¸é¼ ¼º°øÀ» °ÅµÎ¾ú½À´Ï´Ù.
Chemours(Äɹ«¾î½º)ÀÇ Krytox(Å©¶óÀÌÅ彺)´Â ÃÖ°íÀÇ Æ¯¼º Á¶ÇÕÀ¸·Î »ç¿ëÀÚÀÇ ¾î·Á¿î À±È°¹®Á¦¸¦ ÃÖÀûÀÇ ºñ¿ëÀ¸·Î ÇØ°á ÇÒ ¼ö ÀÖ½À´Ï´Ù.
¿ì¼öÇÑ Àú¿Â ¹× °í¿Â ¼º´ÉÀ» °®°í ÀÖ¾î -70¡É ~ 316¡É »çÀÌ¿¡¼ À±È°ÀÛ¿ëÀÌ °¡´ÉÇÕ´Ï´Ù.
¿Ïº®ÇÑ ºÒ¿¬¼º, »ê¼Ò¿ÍÀÇ »ó¿ë¼º, ¸ðµç ÄɹÌÄ®¿¡ ´ëÇÑ ³»ÈÇмºÀÌ ¿ä±¸µÇ´Â ºÐ¾ß¿¡¼ ÃÖ»óÀÇ Æ¯¼ºÀ» ºÎ¿©Çϰí ÀÖ½À´Ï´Ù.
À±È°Á¦, ¾Á¶õÆ®, Àý¿¬Àç·Î¼ ¿ì¼öÇÑ ¼º´É°ú Çâ»óµÈ ¼ö¸íÀ» Á¦°øÇÕ´Ï´Ù.
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Krytox Àû¿ë»ê¾÷ ºÐ¾ß
Krytox Oil & GreaseÀÇ ÁÖ¿ä Æ¯Â¡
Chemours Krytox ´Â gear box, bearing°ú chain, seal, acturator, valveµî°ú °°Àº ±â°èÀû ½Ã½ºÅÛ¿¡ ¶Ù¾î³ ±â´ÉÀ» ºÎ¿© ÇÒ ¼ö ÀÖ´Â Å×ÇÁ·Ð°è ±×¸®½ºÀÔ´Ï´Ù. ¶ÇÇÑ Á¦Ç°ÀÇ ³»±¸ ¼º´ÉÀ» Çâ»ó½ÃŰ°í ¼ÒÀ½, Áøµ¿ ¹× ÀÌÀ½¿¡ °ü·ÃÇÑ ÇØ°áÀÌ °¡´ÉÇÕ´Ï´Ù. Chemours Krytox´Â ±¸µ¿ºÎǰÀÇ ¼º´É Çâ»ó°ú ¼ÒÀ½ÀÇ ÇØ°á¿¡ Ź¿ùÇÑ ±â´ÉÀ» ÇÕ´Ï´Ù.
1) ¿ø°¡Àý°¨È¿°ú (Cost Effectiveness)
Krytox®´Â ÀϹÝÀûÀΠźȼö¼Ò°è À±È°À¯¿¡ ºñÇÏ¿© »ó´ëÀûÀ¸·Î ±ä ¼ö¸íÀ» ³ªÅ¸³»¹Ç·Î ´Ù¾çÇÑ ÀÀ¿ëºÐ¾ß¿¡¼ ¾Æ·¡¿Í °°ÀÌ ¿ø°¡Àý°¨È¿°ú¸¦ º¸ÀÔ´Ï´Ù.
- Life/Cost/Reliability
Application
Typical Hydrocarbon
Lubricant
Krytox® Lubricants
Electric motor, 227¡É(440¢µ)
1,750 RPM
5 days
9 months
Heated Rolls, 199¡É(390¢µ)
5,000 RPM
8 months
24 months
Textile roll, 225¡É(437¢µ)
5,400 RPM
1 month
24 months
Pressure relief valves
50% failures
Less than 1% failures
Paper corrugating machine
$144,000
$3,000
2) ±×¸®½ºÀÇ ±â°èÀû ¾ÈÀü¼º (Grease Mechanical
Stability)
Krytox® ±×¸®½º´Â º£¾î¸µ¿¡ ÀÖ¾î Ź¿ùÇÑ ±â°èÀû ¾ÈÁ¤¼ºÀ» °®°í ÀÖÀ¸¸ç, ±â°èÀûÀÎ ÇÏÁß ¾Æ·¡¿¡¼µµ ºÐÇØµÇÁö ¾ÊÀ¸¸ç, ¿ÀÀÏÀÌ ºÐ¸®µÇÁö ¾Êµµ·Ï À¯ÁöÇÏ´Â ´É·ÂÀ» °®°í ÀÖ´Ù.
Krytox® ±×¸®½º¸¦ 60ȸ(strokes), 10,000ȸ, 100,000ȸ Á¶°ÇÀ¸·Î ȥȱâ(grease worker)¿¡¼ È¥È ½ÃŲ ÈÄ, °æµµº¯È¸¦ Å×½ºÆ® ÇÑ °á°ú, ¸ðµç ±×¸®½º°¡ NLGI ÁÖµµ(penetration) scale·Î 30point ÀÌÇÏÀÇ º¯È¸¦ º¸¿´À¸¸ç, Å×½ºÆ® ÈÄÀÇ NLGI °ªÀÌ ÃÖÃÊÀÇ °ª ´ëºñ ½grade À̳»·Î º¯È µÇ¾ú´Ù. Roll Stability Test´Â 4,500-lbfÀÇ ÇÏÁßÀ¸·Î 2½Ã°£ µ¿¾È ASTM D-1831¿¡ ÀǰÅÇÏ¿© ½ÃÇàµÇ¾úÀ¸¸ç, ±× °á°ú Penetration º¯È´Â ¹Ì¹ÌÇÏ¿´À¸¸ç, ÃÖÃÊ °ª ´ëºñ NLGI Grade scale·Î ½ À̳»·Î º¯ÈµÇ¾ú´Ù.
3)»ó´ëÀû ¼º´É
(Relative Performance)
´ëºÎºÐÀÇ ÇÕ¼º ±×¸®½º´Â ÇѰ¡Áö ÀÌ»óÀÇ ¹üÁÖ¿¡¼ Ź¿ùÇÑ ¼º´ÉÀ» º¸ÀÌ´Â ¹Ý¸é,Krytox®
±¤¹üÀ§ÇÑ Á¶°Ç ÇÏ¿¡¼µµ Ź¿ùÇÑ À±È°¼ºÀ» º¸À̸ç, ¾ÈÁ¤¼º(Stability),
ºÒ¿¬¼º(Non-flammability),
ÈÇÐÀûºÒȰ¼º(Chemical
Inertness) µîÀÇ Æ¯¼ºÀ» µ¿½Ã¿¡ Áö´Ï°í ÀÖ´Â À¯ÀÏÇÑ À±È°Á¦ÀÌ´Ù.
- Typical Lubricants Wear and Load-Carrying Ability
Oil type
4-Ball wear
scar, mm*
Falex Pin and V-Block
fail
load, lb
Krytox® PFPAE
0.36
>4,500 #
Chlorotrifluoroethylene
0.37
>4,500 #
Fluorosilicone
0.43
1,150
Diester
0.61
2,300
Petroleum
0.69
1,300
* 20 kgf, 107 ¡É (225 ¢µ ), 1,200 rpm, 60 min, 52,100 steel on steel
# Test was stopped at 4,500 lb
4) ±Ø¾Ð ½ÃÇè °á°ú (Extreme Pressure Test)
- Krytox® Extreme by The Timken EP Method
OK Load
Score Load
Scar Width at OK Load
GPL 214
30 Lb
40 Lb
1.271 mm
GPL 215
30 Lb
40 Lb
1.507 mm
GPL 225
50 Lb
60 Lb
1.109 mm
"OK Load" ´Â ¾î¶² ÈìÁý (scoring) À̳ª °íÂø (seizure) ÀÌ ¹ß»ý ¾øÀÌ ½Ã½ºÅÛ¿¡ °¡ÇØÁö´Â ÃÖ´ëÇÏÁßÀ̸ç ,
"Score Load" ´Â ÈìÁýÀ̳ª °íÂøÀÌ ¹ß»ýµÇ´Â ÃÖ¼Ò ÇÏÁßÀ̸ç , "Scar Width" ´Â OK
Load ¿¡¼ÀÇ Æò±Õ ±ÜÈû ±æÀÌÀÓ .
5) ºÒ¿¬¼º (Flammability)
Krytox® À±È°Á¦´Â ´ÜÁö, ź¼Ò(C), »ê¼Ò(O), ºÒ¼Ò(F)¸¸À» ±¸¼ºµÇ¾î ÀÖÀ¸¸ç, ¼ö¼Ò(H)°¡ Á¸ÀçÇÏÁö ¾Ê±â ¶§¹®¿¡ Krytox®´Â ºÒ¿¬¼ºÀ̸ç, 100%ÀÇ ¾×È ¶Ç´Â ±âÈ »ê¼ÒÇÏ¿¡¼µµ Ÿ°Å³ª ¿¬¼Ò¸¦ ÀÏÀ¸Å°Áö ¾Ê±â ¶§¹®¿¡ ¾ÈÁ¤¼ºÀÌ ¸Å¿ì ³ô´Ù.
6) ÈÇÐÀû ºÒȰ¼º (Chemically Inert)
Krytox® À±È°Á¦´Â »ê¼Ò¿¡ ´ëÇÑ ³»¼ºÀ» °®°í ÀÖÀ» »Ó¸¸ ¾Æ´Ï¶ó, ´Ù¾çÇÑ »ê¾÷¿¡¼ »ç¿ëµÇ´Â ¸ðµç ÈÇй°¿¡ ´ëÇÏ¿© »ç½Ç»ó ºÒȰ¼ºÀÌ´Ù.(ÈÇÐÀÛ¿ëÀ» ÀÏÀ¸Å°Áö ¾ÊÀ½) Krytox® À±È°Á¦´Â ´ëºÎºÐÀÇ ¿ëÁ¦¿¡ ´ëÇÏ¿© ³ìÁö ¾ÊÀ¸¸ç, ´ÜÁö High fluorinated fluid ¿Í Supercritical Fluids¿¡ ¿ëÇØµÈ´Ù.
7)
¿Àû, »êÈÀû ¾ÈÁ¤¼º
(Thermal, Oxidative Stability)
Krytox®
¿ÀÀÏÀÌ ¿ºÐÇØ ¹ß»ý ¿Âµµ´Â ½ÃÇè¹æ¹ý°ú ÃÖÃÊ ¿È(æëûù,
deterioration)Æ÷ÀÎÆ®¸¦ ¾î¶»°Ô ÃøÁ¤ÇÏ´À³Ä¿¡ µû¶ó ´Ù¸£´Ù.
Krytox® ¿ÀÀÏÀº DTA
(Differential Thermal Analysis)½ÇÇè¿¡ ÀÇÇÏ¸é ¿ºÐÇØ´Â °ø±âÀÇ Á¸Àç ÇÏ¿¡ ¾à 470¡É¿¡¼ ¹ß»ýÇÑ´Ù. Isoteniscope techniqueÀº ¾Ð·ÂÀ» Áõ°¡½ÃŲ »óÅ¿¡¼ ÃøÁ¤ÇÑ °ÍÀ¸·Î 355¡É¿¡¼ ÃÖÃÊ ºÐÇØ °úÁ¤À» º¸À̸ç, 355¡É¿¡¼ ºÐÇØ¼Óµµ´Â ¾à
0.03wt%/dayÀ̰í, 399¡É¿¡¼ ºÐÇØ¼Óµµ´Â ¾à
0.03wt%/dayÀÌ´Ù.
371¡É, 6½Ã°£ µ¿¾È Áú¼ÒºÐÀ§±â ÇÏ¿¡¼ ½ÃÇèÇÑ °á°ú
Krytox®´Â ÁßȰ¡(neutralization
number)ÀÇ Áõ°¡¸¦ º¸ÀÌÁö ¾Ê¾ÒÀ¸¸ç, Á¡µµÀÇ Áß´ëÇÑ º¯Èµµ ¾ø¾ú´Ù. ¶ÇÇÑ °ø±âÀÇ Á¸Àç´Â ´ëü·Î
Krytox®ÀÇ ºÐÇØ¿Âµµ¸¦ ³·ÃßÁö ¾Ê¾Ò´Ù. ±×·¯³ª ¸î¸î ±Ý¼Ó »êȹ°ÀÇ Á¸Àç ÇÏ¿¡ ¿ÀÀÏÀÇ ºÐÇØ ¿Âµµ´Â 288¡É¸¸Å ³·¾ÆÁú ¼ö ÀÖ´Ù.
ºÐÇØ°úÁ¤ Áß¿¡ ±â»óÀÇ ºÐÇØ¹°ÁúÀº Áõ¹ßµÇ°í, ³²Àº ¾×ü´Â Á¡µµ°¡ ¶³¾îÁöÁö¸¸, ¾î¶² ½½·¯Áö³ª Á¡Âø¼º ÀÜÀ¯¹°
(grummy deposits)Àº Çü¼ºµÇÁö ¾Ê´Â´Ù. Krytox® ¿ÀÀÏÀº ´ëºÎºÐÀÇ Àû¿ëºÐ¾ß¿¡¼ ¿¬¼ÓÀûÀ¸·Î 288¡É, ´Ü¼ÓÀûÀ¸·Î´Â 427¡ÉÀÇ ¿Âµµ¿¡¼ Àå±â°£ »ç¿ëÇÒ ¼ö ÀÖÀ½ÀÌ ÀÔÁõµÇ¾ú´Ù.
- Krytox® ±×¸®½ºÀÇ ¿Àû ¾ÈÁ¤¼º
7) °í¹« / ÇÃ¶ó½ºÆ½ÀÇ »ó¿ë¼º
Krytox® ´Â ¸ðµç °í¹« ¾Á Àç·á ¹× ¿£Áö´Ï¾î¸µ ÇÃ¶ó½ºÆ½°ú ¿ì¼öÇÑ »ó¿ë¼º(Compatibility)À» Áö´Ï°í ÀÖ´Ù. ¾î¶² Àç·á¿Í Krytox®¸¦ ÇÔ²² »ç¿ëÇÒ °æ¿ì, »ç¿ë»óÀÇ Á¦ÇÑ¿ä¼Ò´Â ź¼ºÃ¼ ¶Ç´Â ÇÃ¶ó½ºÆ½ÀÇ ¿Àû ¾ÈÁ¤¼ºÀÌ´Ù.
- Krytox® ´Â ¾Æ·¡¿Í °°Àº ź¼ºÃ¼ ¹× ÇÃ¶ó½ºÆ½°ú »ó¿ë¼ºÀ» Áö´Ï°í ÀÖ´Ù.
Fluorosilicone
Ethylacrylate
Methyl Silicone
Viton A
Fluoroelastomer
Urethane
Hypalon Synthetic
Rubber
Hytrel Polyester
Elastomer
Butyl 325
Neoprene WRT
Nycar 100(Buna N)
EPT, Peroxide Cure
Nodel Hydrocarbon
Rubber
Delrin Acetal
Zytel Nylon
Vespel
Teflon
Fluoropolymer
Kalrez
Fluoroelastomer*
*15-20 vol% swelling at high temperatures when
immersed
9) ±Ý¼Ó°úÀÇ »ó¿ë¼º (Compatibility with Metal)
Krytox® À±È°Á¦´Â ³·Àº Ç¥¸éÀå·ÂÀ» °®°í Àֱ⠶§¹®¿¡ ±Ý¼ÓÇ¥¸é¿¡ ½±°Ô Á¥°Ô(wet)µÈ´Ù.
chemically
inertÇϱ⠶§¹®¿¡ 288¡ÉÀÌÇÏÀÇ ¿Âµµ¿¡¼´Â ±Ý¼Ó¿¡ ¾î¶°ÇÑ ¿ªÈ¿°ú¸¦ ÁÖÁö ¾Ê´Â´Ù. 288¡É ÀÌ»óÀÇ ¿Âµµ¿¡¼ ±Ý¼ÓÇÕ±Ý, ½ºÅ×Àθ®½º°, ¾Ë·ç¹Ì´½ÇÕ±Ý, ´ÏÄÌÇÕ±Ý, ÄÚ¹ßÆ®Çձݵî°ú »ó¿ëµÉ ¼ö ÀÖ´Ù.
10) »ê¼Ò¿ÍÀÇ »ó¿ë¼º
(Compatibility with Oxygen)
°í¿Â, °í¾Ð¿¡¼
PFPE(PerfluoroalkylPolyether)´Â ±âÈ ¹× ¾×È »ê¼Ò¿¡ ´ëÇÑ ³ôÀº ÀúÇ×·ÂÀ» °®´Â´Ù. °á°úÀûÀ¸·Î Krytox® ¿ÀÀÏÀº »ê¼Ò Á¦Á¶ »ê¾÷ ¹× »ê¼Ò¸¦ »ç¿ëÇÏ´Â Á¦Á¶½Ã¼³¿¡ ÀûÇÕÇÑ À±È°À¯ÀÌ´Ù. Krytox® ¿ÀÀÏÀº °©ÀÛ½º·¯¿î ÇÏÁß ÇÏ¿¡¼µµ ±âÈ»ê¼Ò¿Í ¹ÝÀÀÇÏÁö ¾ÊÀ¸¸ç, Ãæ°Ý Test¿¡¼µµ ¾×È»ê¼Ò(LOX), NO4, inhibited red fuming nitric acid µî°ú ¹ÝÀÀÇÏÁö ¾Ê´Â´Ù.LOX
impact test´Â
Marshall Space Flight CenterÀÇ MSFC-Spec-106B¿¡ ÀǰÅÇÏ¿© ½Ç½ÃµÇ¾úÀ¸¸ç, ASTM Bulletin 250¿¡ ¼¼úµÈ ¹æ¹ý¿¡ µû¶ó 214J/§²
(200ft-lb/in2)¿¡¼ ½Ç½ÃµÈ ´Ù¸¥ Ãæ°Ý½ÃÇèÀº ¾î¶°ÇÑ ¹ÝÀÀµµ º¸ÀÌÁö ¾Ê¾ÒÀ¸¸ç, ¶ÇÇÑ
Krytox® À±È°Á¦´Â
German FederalInstitute for Material Testing¿¡¼ °¡¾ÐÇÏ¿¡ ±âÈ ¹× ¾×È »ê¼Ò¿ÍÀÇ ¹ÝÀÀ¼º ½ÃÇèÀ» ½Ç½ÃÇÏ¿´À¸¸ç, ¾Æ·¡ Ç¥´Â Krytox® ¿ÀÀÏÀÇ »ê¼Ò¿ÍÀÇ »ó¿ë¼ºÀ» º¸¿©ÁØ´Ù.
- À±È°Á¦ÀÇ »ê¼Ò¿ÍÀÇ »ó¿ë¼º
Test Type
Temp.¡É ( ¢µ )
Pressure
Mpa (psi)
Energy,
Joules (ft-lb)
Test Result
Ignition in gaseous
oxygen(a)
400 (752)
13 (1,886)
No ignition
Pressure drop in gaseous
oxygen bomb(b)
99 (210)
0.7 (100)
No pressure drop after
600 hr
Mechanical impact in
liquid oxygen
Ambient
98 (72)
No reaction in 20(c.d.e)
Mechanical impact in
liquid oxygen
Ambient
122 (90)
No reaction in 10 trials(a)
Mechanical impact in
liquid oxygen
Ambient
736 (543)
No reaction in multipl trials(f)
(a) British Specification 3100 (b) American Society
for Testing and Materials, D-942 (c) Marshall Space Flight Center Specification
106B (d) National Aeronautics and Space Administration Handbook, 8060.1B, Test
13, Part 1 (e) American Society for Testing and Materials, D-2512 (f) West
German Federal Institute for Materials Testing (BAM), 8104-411
11) ¹æ»ç´É ¾ÈÁ¤¼º (Radiation Stability)
Krytox® ¿ÀÀÏÀº À±È°Á¦ ¶Ç´Â Power Fluid·Î »ç¿ëµÇ´Â ¸¹Àº Á¦Ç°¿¡ ºñÇÏ¿© ¹æ»ç´É¿¡ ´ë´ÜÈ÷ ¾ÈÁ¤ÀûÀÎ Á¦Ç°ÀÌ´Ù. ÀϹÝÀûÀ¸·Î Krytox® ¿ÀÀÏÀ» ¹æ»ç¼±¿¡ ³ëÃâ½ÃÄ×À» ¶§ ÃÖ¼ÒÀÇ ºÐÇØ°¡ ¹ß»ýÇϸç, ÀÌ¿¡ µû¶ó Á¡µµÀÇ °¨¼Ò°¡ ¹ß»ýÇϸç Èֹ߼º Á¦Ç°ÀÌ Çü¼ºµÇÁö¸¸ ½½·¯Áö³ª °íü´Â »ý±âÁö ¾Ê´Â´Ù. Krytox® ¿ÀÀÏÀ» »ó¿Â/°ø±âÁß¿¡¼ 107radÀÇ ÀüÀÚºö¿¡ ³ëÃâ½ÃŲ Test¿¡¼ 8%ÀÇ Á¡µµÀúÇϰ¡ ÀϾ´Ù. ±×·¯³ª ¹æ»ç´É¿¡ ³ëÃâµÈ »ùÇÿ¡ ½½·¯Áö³ª ¿Ü°ü»óÀÇ º¯È´Â ÀϾÁö ¾Ê¾Ò´Ù.
12) »ý¹°ÇÐÀû Ư¼º (Biological Properties)
Krytox® ºÒ¼Ò¿ÀÀÏÀº »ý¹°ÇÐÀûÀ¸·Î ºÒȰ¼ºÀ̸ç, ½ÅÁø´ë»ç¹ÝÀÀÀ» ÀÏÀ¸Å°Áö ¾Ê´Â´Ù.¶ÇÇÑ »ýºÐÇØ µÇÁö ¾ÊÀ¸¸ç, ¾î¶°ÇÑ Å¸ÀÔÀÇ »ý¹°ÇÐÀûÀÎ ¼ºÀåÀ» µµ¿ÍÁÖÁö ¾Ê´Â´Ù.
13) »ê¿¡ ´ëÇÑ ¾ÈÁ¤¼º (Stability to Lewis Acids)
¸ðµç PFPE (Perfluoropolyalkylethers)´Â °í¿Â¿¡¼ Lewis Acids (aluminium
trichloride, iron(ferric),zinc chlorides, boron trichloride)ÀÇ Á¸Àç ÇÏ¿¡ ¾à°£ÀÇ depolymerizationÀÌ ÀϾÙ. ÀÌ·¯ÇÑ Lewis Acids´Â ÁÖ·Î ¹ÝµµÃ¼ Á¦Á¶°øÁ¤¿¡¼ º¼ ¼ö ÀÖÀ¸¸ç, Krytox® ¿ÀÀÏÀº Á¦Ç°ÀÇ µ¶Æ¯ÇÑ ºÐÀÚ±¸Á¶·Î ÀÎÇÏ¿© ´Ù¸¥ °æÀïÁ¦Ç°¿¡ ºñÇÏ¿© Lewis Acids¿¡ ´ëÇÏ¿© ¿µÇâÀ» ´ú ¹ÞÀ¸¸ç, µ¿ »çÇ×°ú °ü·ÃµÈ ÀÚ·á´Â ¿äû¿¡ µû¶ó Á¦°øµÉ ¼ö ÀÖ´Ù.
14)Àü±âÀû Ư¼º
(Electrical Properties)
Krytox® ¿ÀÀÏÀº ¿ì¼öÇÑ Àý¿¬Ã¼ÀÌ´Ù. ÷°¡Á¦°¡ ¾ø´Â Krytox® ±×¸®½ºÀÇ Àü±âÀû Ư¼ºÀº ¿ÀÀÏ¿¡ ±ÙÁ¢Çϳª, ¾î¶² ÷°¡Á¦ÀÇ Ã·°¡´Â Àü±âÀû Ư¼º¿¡ Áß´ëÇÑ º¯È¸¦ À¯¹ß½Ãų ¼ö ÀÖ´Ù. Àüµµ¼º(Conductivity)À» Áö´Ñ ±×¸®½º¸¦ ¿øÇÑ´Ù¸é powdered copper metal°ú °°Àº Àüµµ·ÂÀÌ Àִ ÷°¡Á¦¸¦ ÇÔÀ¯½ÃÄÑ Áõ°¡µÉ ¼ö ÀÖ´Ù.
- Krytox OilÀÇ ÀϹÝÀûÀÎ Àü±âÀû Ư¼º
Dielectric Breakdown Voltage, ASTM D-877, kV/0.1 inch 143
AZ 143 AA 143 AC
34 47 56
Specific Resistivity, ASTM D-257, ohm-cm
0.6 to 4.0 x 10E14
Dielectric Constant, ASTM D-150 at 10E2 to 10E5 hertz
2.1 to 2.2
Dielectric Constant, ASTM D-924 at 60 hertz, 25¡É :
2.2 to 2.4
Dissipation Factor, ASTM D-150, % at 10E2 to 10E5 hertz
3.0 to 7.0 x 10E-3
Volume Resistivity, ASTM D-1169, 25¡É, 500
V
2.3 to 550 x 10E12 ohm- cm
15) ȯ°æ¿¡ ´ëÇÑ ¿µÇâ (Environment)
Krytox®
ÀÇ »ç¿ëÀº ȯ°æ¿¡ µµ¿òÀ» ÁØ´Ù. ÀÌ´Â Á¦Ç° º»¿¬ÀÇ Æ¯¼ºÀÌ Àç»ýÀ» ÅëÇÏ¿© ȸº¹µÉ ¼ö ÀÖ¾î Æó±âÇϰųª ¼Ò°¢½Ãų Çʿ䰡 ¾ø±â ¶§¹®ÀÌ´Ù.ChemoursÀº »ç¿ëÇÑ ¿ÀÀÏÀ» ¼ö°ÅÇÏ¿© Àç»ý½ÃŰ´Â ÇÁ·Î±×·¥À» °¡Áö°í ÀÖÀ¸¸ç, ÀÌ·¯ÇÑ ÇÁ·Î±×·¥Àº ¿ÀÀÏÀÇ ¿ø°¡¸¦ ÁÙ¿©ÁÖ°í, ¾ÈÁ¤¼º ¹× ȯ°æÆÄ±«¹®Á¦¸¦ ÁÙ¿©ÁØ´Ù.
Àç»ýÇÁ·Î±×·¥À̶õ ÇÊÅ͸¦ »ç¿ëÇÏ¿© À¯Ã¼ÀÇ ¿À¿°¹°ÁúÀ» Á¦°ÅÇϰí, »õ·Î¿î À¯Ã¼°°ÀÌ À¯Ã¼¸¦ »õ·Ó°Ô ÇÏ´Â °ÍÀÌ´Ù.
Krytox®´Â valve
packing¿¡ »ç¿ëµÇ¾î ´©ÃâÀ» ÁÙÀ̸ç,
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