사업영역

CM TECH의 사업영역을 소개합니다.

SILICONE

  • 실리콘
  • 실리콘
  • 실리콘

SILICONE 특성

실리콘

Si, O 가 주 원자로 이루어진 고분자로, Si-O간의 강한 결합에너지를 가짐

유기/무기물과의 복합 소재로 적용이 용이하며, 내열/내한/방수성 등 특성이 매우 우수함

결합에너지 Kcal/mol (KJ/mol)
구   분 결합에너지 Kcal/mol (KJ/mol)
C Si
C 84.9(349) 58~80(240~340)
Si 58~80(240~340) 45(189)
H 98.8(414) 72.6(304)
O 83.2(349) 106.0(423)

주요형태

Polymer Composite Materials : polymer matrix + filler Metallic : metal matrix ( + filler, binder)

실리콘

1합성 열 저항 : Filler의 열전도성, 두께

1Filler 입자간 열 저항 : 입자의 형상 및 Size(입도)

1계면 열 저항 : 표면 상태 (밀착성)

구성성분

  • 모재 (matrix)

    역    할형상 유지, 점착, 접착 기능 종    류Silicone, Epoxy, Urethane, Acryl, etc. 요구성능저점도, 내열성, 내화학성, 저휘발성 등

  • 충진재 (filler)

    역    할열 전달, 전기전도/절연 기능 종    류 ∙ Ceramic, Metal, carbonaceous materials 등
    ∙ Al2O3, SiO2, MgO, AlN, BN, SIC, etc.
    ∙ Ag, Cu, Au, Ni, Sn, In, Bi, etc.
    ∙ Graphite, CNT, Graphene, etc.
    요구성능저점도, 내열성, 내화학성, 저휘발성 등

실리콘

DATA SHEET

[ Si+Polyimide ]

Si+Polyimide
TYPICAL PROPERTIES
PROPERTY METRIC VALUE TEST METHOD
Color Yellow Visual
Reinforcement Carrier Polyimide -
Thickness (mm) 0.152 ASTM D374
Hardness (Shore A) 90 ASTM D2240
Breaking Strength (lbs/inch) / (kN/m) 5 ASTM D1458
Elongation (%) 40 ASTM D412
Tensile Strength (psi) / (Mpa) 34 ASTM D412
Continuous Use Temp (℉) / (℃) -20 to 150 -
ELECTRICAL
Dielectric Breakdown Voltage (Vac) 6000 ASTM D149
Dielectirc Constant (1000 Hz) 3.7 ASTM D150
Volume Resistivity (Ohm-meter) 1012 ASTM D257
Flame Rating V-O U.L.94
THERMAL
Thermal Conductivity (W/m-k) 1.3 ASTM D5470

[ Si+Fiberglas ]

Si+Fiberglas
TYPICAL PROPERTIES
PROPERTY METRIC VALUE TEST METHOD
Color Gray Visual
Reinforcement Carrier Fiberglass -
Thickness (mm) 0.18, 0.23 ASTM D374
Hardness (Shore A) 85 ASTM D2240
Breaking Strength (lbs/inch) / (kN/m) 5 ASTM D1458
Elongation (%) 54 ASTM D412
Tensile Strength (psi) / (Mpa) 20 ASTM D412
Continuous Use Temp (℉) / (℃) -60 to 180 -
ELECTRICAL
Dielectric Breakdown Voltage (Vac) 3500,4500 ASTM D149
Dielectirc Constant (1000 Hz) 5.5 ASTM D150
Volume Resistivity (Ohm-meter) 1011 ASTM D257
Flame Rating V-O U.L.94
THERMAL
Thermal Conductivity (W/m-k) 0.9 ASTM D5470

[ SiliconeⅠ ]

SiliconeⅠ
PROPERTY Test Method CM TECH Grade
CM-1W CM-2W CM-3.3W CM-5W
Thickness(mm) ASTM D 374 0.5~1 0.5~1 0.5~1 0.5~1
Color Visual White White White White
Hardness(Shore 00) ASTM D 2240 55 60 65~70 70~75
Specific Gravity(g/㎤) ASTM D 792 2.1 2.65 2.9 3.1
Continue Use(℃) - -60 ~ +200 -60 ~ +200 -60 ~ +200 -60 ~ +200
Thermal Conductivity(W/m.K) ASTM D 5470 1 2 3.3 5
Dielectric Constant ASTM D 150 5.5 5.5 5.5 5.5
Dielectric Breakdown(kV AC) ASTM D 149 >10 >10 >10 >10
Volume Resistivity(ohm Meter) ASTM D 257 >1012 >1012 >1012 >1012

[ SiliconeⅡ ]

SiliconeⅡ
PROPERTY Test Method CM TECH Grade
CM-0.25W CM-2.5WT CM-3W(LB)
Thickness(mm) ASTM D 374 1.5 0.5 1.0
Color Visual Transparency Dark Gray Light Blue
Hardness ASTM D 2240 40 (Shore A) 50 (Shore 00) 55 (Shore 00)
Specific Gravity(g/㎤) ASTM D 792 1.1 2.8 2.8
Continue Use(℃) - -60 ~ +200 -60 ~ +200 -60 ~ +200
Thermal Conductivity(W/m.K) ASTM D 5470 0.25 2.5 3.0

[ SiliconeⅢ ]

SiliconeⅢ
PROPERTY Test Method CM TECH Grade
CM-5WS
Thickness(mm) - 1.0
Color Visual Gray
Hardness(Asker C) - 45
Specific Gravity(g/㎤) JIS K 6249 3.1
Continue Use(℃) - -60 ~ +200
Thermal Conductivity(W/m.K) ASTM E 1530 5.0
Dielectric Strength(kV) JIS C 2110 18
Dielectric Breakdown(kV AC) JIS K 6249 20

[ SiliconeⅣ ]

SiliconeⅣ
PROPERTY Test Method CM TECH Grade
CM-5WDS
Thickness(mm) - 0.5 ~ 1.0
Color Visual Gray
Hardness(Shore 00) ASTM D 2240 60
Specific Gravity(g/㎤) ASTM D 792 2.7 ~ 3.3
Continue Use(℃) - -60 ~ +200
Thermal Conductivity(W/m.K) ASTM D 5470 5.0
Dielectric Constant ASTM D 150 5.5
Dielectric Breakdown(kV AC) ATM D 149 >8
Volum Resistivity (Ω-meter) ASTM D 257 >1011

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