138_liskun          53F_MICA

LISKUN-Mikanit – Mica ploče

Hemijski sastav liskuna svrstava ga u grupu aluminijum silikata.

Svojstva:

  • Termička – Liskun može da izdrži temperaturu veću od 1000°C/1830°F (flogopit), on je otporan na vatru, nezapaljiv, ne ispušta isparenja i provodi veoma malo toplote, posebno okomito na svoje slojeve.
  • Električna –  Prirodni liskun ima dielektričnu čvrstoću veću od 25kV/mm (625V/mil), ima dobru otpornost na luk i električnu eroziju i propustljiv je za mikrotalasne pećnice.
  • Hemijska: Liskun je tolerantan na vodu i većinu hemijskih agenasa, kao što su rastvarači, kiseline, baze i mineralna ulja.
  • Mehanička: ima dobru čvrstoću na pritisak. Dobro se ponaša u prisustvu naprezanja zatezanja i savijanja. Ima visok modul elastičnosti.

Glavne tehničke karakteristike

Characteristics

Termogasket  – MICA

Test Method MICA HEATER PLATE
Muscovite Phlogopite
Mica Content IEC 371-2 > 90 %
Silicone Content IEC 371-2 < 10 %
Thickness Tolerance, mm Average IEC 371-2 +/- 5%
Individual +/-6%
Standard Size (mm) IEC 371-2 1000 x 1000, 1000 x 1200,
1000 x 2400
Density (gm/cm3) IEC 371-2 2,0~2.20 2,0~2.20
Flexural strength (N/mm2) ISO 178 ≥200 ≥210
Dielectric strength (KV/mm) at 23°C IEC 243 >20 >25
Insulation resistance (M-ohm) at 23°C IEC 93 200 ~ 600 100 ~ 600
Resistance to temperature continuous 1000ºC 1100ºC
Peak 1100ºC 1200ºC
Weight Loss @ 550°C for 4 Hrs IEC371-2 <1%
Water Absorption after 24 hrs ISO 62 <0,5%

Mica Paper Tube

Product Description

Mica paper tube is a hard pipe insulating material prepared by using mica paper with silicon binder

Application

electric motor, electric appliances and resistors.

Available:

with wrapped on SS threaded rods

MAIN TECHNICAL CHARACTERSTICS

Characteristics

Termogasket – MICA

Muscovite
Mica
Phlogopite
Mica
Binder Silicone
Thickness Tolerance OD +/- 0.20 mm
ID +/- 0.10 mm
Standard Length 1 Meter
Density (gm/cm3) 1.8
Wall Thickness Min. 0.5 mm
Max. 13 mm
Electric Strength Parallel to laminate (In oil at 90°C)
22 KV/mm Min.
26 KV/mm Avg.
Electric strength Normal to laminate (In oil at 90°C)
10 MV/m Min.
12 KV/m Avg.
Insulation resistance After 24 hours in water 1 mega-ohm Min.
Temperature classification 500°C ~ 550°C 650°C ~ 700°C
Water Absorption 1.6 mg/cm2 Avg
2.0 mg/cm2 Max