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  Polycarbonate
 

 

 

Polycarbonate (PC)



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  - Window Grade(±¤Çб׷¹À̵å) : Åõ¸íµµ°¡ ³ô°í UV³»¼ºÀÌ ÁÁÀ½

  - (Glass)Filled Grade

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´ëÇ¥ ¹°¼º(Lexan Makrolon)


¹°¸®Àû Ư¼º:

Specific gravity (ASTM D 792) : 1.20

Tensile strength, Ultimate (ASTM D 638) : 9,000 p.s.i.

Elongation at break (ASTM D 638) : 130%

Tensile modulus (ASTM D 638) : 3.1x10~5 p.s.i.

Rockwell hardness (ASTM D 785) : R118

Impact strength (73¡Æ F) (ASTM D 256) (notched) : 17.0 ft-lb/inch

Flexural strength (ASTM D 790) : 14,200 p.s.i.

Flexural modulus (ASTM D 790) : 3.4x 10~5 p.s.i.

Wear factor against steel 40 psi 50fpm : 2500x10~10

Coefficient of friction 40psi 50fpm : 0.38 Dynamic


¿­Àû Ư¼º :

Melting point : 310¡Æ F

Heat deflection at 66 psi (ASTM D 648) : 285¡Æ F

Heat deflection at 264 psi (ASTM D 648) : 270¡Æ F

Maximum serving temperature for short term : 275¡Æ F

Maximum serving temperature for long term : 240¡Æ F

Thermal conductivity (ASTM C 177) : 1.35 Btu-inch/hr-ft~2- ¡Æ F

Specific heat : 0.30 Btu/lb- ¡Æ F

Coefficient of linear thermal expansion (ASTM D 696) : 3.7x10~5

Applicable temperature range for thermal expansion : 0-200¡Æ F


Àü±âÀû Ư¼º:

Dielectric constant at 60Hz (ASTM D 150) (73¡Æ F, 50% RH) : 3.2

Dissipation factor at 60Hz (ASTM D 150) (73¡Æ F) : 0.001

Volume resistivity (ASTM D 257) : 10~17 ohm-cm

Dielectric strength (ASTM D 149) : 380 v/MIL


±âŸ:

Water absorption - 24 hours (ASTM D 570) : 0.15%

Water absorption - saturation (ASTM D 570) : 0.35%

Density (ASTM D 792) : 0.0434 lb/inch~3

Flammability (UL 94) : V-2

Weathering Resistance : Limited resistance (UV Sensitive)


 


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