SPRAY LINING

Koins Logo
English site

POLY UREA

¹®¼­À§Ä¡ Home > LINING SERVICE > POLY UREA ¼Ò°³

    1.¿ø·á ¿ì¼ö¼º

  • Fast, consistent reactivity - no catalysts
  • Relatively insensitive to environmental processing
  • Excellent mechanical properties
  • Great adhesion to a variety of substrates
  • 100% solids formulations: WFT = DFT

    2.½Ã°ø ¿ì¼ö¼º

  • Fast cure: minimal downtime
  • Extended working season
  • Flexible: bridges cracks and crevices
  • Unlimited liner thickness
  • Resistant to most chemicals
  • Impact and abrasion resistant
  • No solvents, No VOC¡¯s, No odor

    3. Polyurea Spray Eastomer Systems

    ASTM Test Typical Physical Properties
    Shore Hardness Shore A 30 to Shore D 65
    Elongation, % Up to 800
    Tensile strength, psi Up to 4000
    Tear strength, psi 250 - 600
    100% Modulus, psi 900 - 2000
    300% Modulus, psi 1000 - 3000
    Taber Abrasion, mg (1000 gms, 1000 revs, H-18 wheels) loss < 200
    Flexibility / Crack Bridging, -26¡ÆC > 1/8 inch, pass
    Moisture Vapor Transmission,perms @ 30 mils 0.025
    CLTE 13.4 X 10-5 / ¡Æ C
    Dielectric constant, 1Mhz 3.5 - 4.5
    Gel time, sec 2013-02-15
    Tack free, sec 10 - 60
    Open to traffic, hours 1
    Elcometer Adhesion, psi  
    concrete, dry 400
    concrete, primed > 1000
    steel, 2 mil blast > 2000

    4.¿­ÆØâ°è¼ö Ư¼º

  • Coefficient of Linear Thermal Expansion(CLTE): ASTM C-531
  • ¾Æ·¡ Ç¥¿Í °°ÀÌ Æú¸®¿ì·¹¾Æ´Â °­°üÀÇ ¿­ÆØâ °è¼ö¸¦ Ä¿¹öÇϹǷΠ¿Âµµº¯È­¿¡ µû¸¥ ¼±ÆØâ¿¡µµ ¾ÈÀüÇÔ.
  • Àç·á §­ / m -¨¬C
    Polyurea, typical 4 - 13
    Steel 12 - 13
    Concrete 9 - 11
    Glass 8 - 10
    Plywood 5 - 6
    Vinyl Ester 18 - 20
    FRP 27 - 29
    Polyurethane, typical 100 - 150
    Epoxy 35 - 55
    UHMW PE 22 - 31


    5.ÆÄ¿­°­µµ Å×½ºÆ®

  • Å×½ºÆ® ¹æ¹ý : 2ÀÎÄ¡ WNRF(Welding Neck Raised Face)ŸÀÔ Ç÷£Áö¿¡ ±¸°æ:1.875ÀÎÄ¡(4.7625mm)ÀÇ ÆÄÀÌÇÁ¸¦ ¿ëÁ¢ ¿¬°áÇÑ 2°³ ¼¼Æ®¸¦ ÁغñÇÑ´Ù. ÀÌ µÎ°³ÀÇ Ç÷£Áö »çÀÌ¿¡ °¢ µÎ²²ÀÇ Æú¸®¿ì·¹¾Æ ¶óÀ̳ʸ¦ ³¢¿ì°í º¼·Î ü°áÇÑ´Ù.
    ±×¸®°í ÇÑ ÂÊÀÇ ÆÄÀÌÇÁ ³»ºÎ¿¡ ¹°À» ä¿ì°í ¼­¼­È÷ ¾Ð·ÂÀ» ¿Ã·Á³ª°¡¸é, ºñ¾î ÀÖ´Â ÆÄÀÌÇÁ ÂÊÀ¸·Î ¶óÀ̳ʰ¡ ÆØâÇϱ⠽ÃÀÛÇÏ¿© ¸¶Ä§³» ÆÄ¿­µÈ´Ù.
  • Å×½ºÆ® °á°ú :º» Å×½ºÆ®´Â ³ëÈÄ°ü¿¡ ¹ß»ýÇÑ 47mm ´©¼ö ±¸¸Û¿¡¼­ Æú¸®¿ì·¹¾Æ ¶óÀ̳ÊÀÇ µÎ²²º° ÆÄ¿­°­µµ¸¦ Å×½ºÆ® ÇÏ¿´À¸¸ç, 4.2418mm ¶óÀÌ³Ê µÎ²²¿¡¼­ 44.8 barÀÇ ¾Ð·ÂÀ» °ßµð´Â °ÍÀ¸·Î ³ªÅ¸³².
    º¸Åë »ó¼ö°üÀÇ ¾Ð·ÂÀ» 15kgf/§²À» °¡Á¤ÇÒ ¶§ ÃÖ¼ÒÇÑÀÇ ¶óÀÌ´× µÎ²²·Î Å« ´©¼ö±¸¸ÛÀ» ¸·À» ¼ö ÀÖÀ½
  • »ùÇøí Maximum burst Thickness (in)
    psig bar inch mm
    GSS 157 10.8 0.075 1.905
    163 11.2 0.067 1.7018
    GHS 124 8.5

    0.074

    1.8796
    166 11.4 0.088 2.2352
    BSS 650 44.8 0.167 4.2418


    6.¸¶Âû°è¼ö ºñ±³ : Manning ¸¶Âû°è¼ö

    Æú¸®¿ì·¹¾ÆÀÇ ¸¶Âû°è¼ö´Â 0.009 - 0.011·Î ¸Å¿ì À۾Ƽ­ ¶óÀÌ´× µÎ²²·Î ÀÎÇÑ ÃÖ¼ÒÇÑÀÇ °ü°æ Ãà¼Ò°¡ ÀÖÀ» ¼ö ÀÖÁö¸¸,¿ÀÈ÷·Á À¯¼ÓÀº Áõ´ëµÇ¾î Åë¼ö´É·ÂÀº Çâ»óµÊ.

                        Coefficient of Friction: Manning

    Coefficient of Friction
    ASTMD 1898, stainless steel platen
      Smooth finish 0.147-0.15    
    Orange peel 0.25-0.40    
    Textured 0.40-0.75    
    Polyrthylene(reference) 0.20    
     
    ASTMD 2047, dry & wet leather
     
      Dry Wet  
      Smooth 0.85 0.64  
    Medium texture 0.93 >1.20  
    Heavy texture 0.93 >1.20  
     
    Manning Coefficient : Polyurea
    0.009-0.011