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Green SiC Micropowder application in Thermal Insulation

Green silicon carbide micropowder has high temperature resistance, low thermal expansion coefficient, good thermal shock resistance and stable chemical performance.
It is widely used as functional filler in thermal insulation & refractory materials, which can effectively improve high-temperature structural stability, enhance compression resistance and anti-oxidation ability, and prolong service life of insulation layers.
TYPICAL CHEMICAL ANALYSIS
SiC≥99.05%
SiO2≤0.20%
F,Si≤0.03%
Fe2O3≤0.10%
F.C≤0.04%
TYPICAL PHISICAL PROPERTIES
Hardness:Mohs:9.5
Melting Point:Sublimes at 2600 ℃
Maximum service temperature:1900℃
Specific Gravity:3.20-3.25g/cm3
Bulk density(LPD):1.2-1.6 g/cm3
Color:Green
Particle shape:Hexagonal
AVAILABLE SIZE:
Grit:4# 5# 6# 8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70#  80# 90# 100# 120# 150# 180# 220#

Micropowder:

JIS:240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# 10000#

FEPA: F230 F240 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000

 Advantages of Green SIC

  1. Ultra-high temperature resistance up to 2200°C, excellent thermal stability at high temperature.
  2. Low thermal conductivity and low thermal expansion coefficient, good thermal shock resistance.
  3. Inert chemical property, acid and alkali resistant, anti-corrosion and anti-oxidation.
  4. Fine controllable particle size, easy to mix with other fillers.
  5. Improve structural strength while keeping stable heat insulation performance.

Main Applications

  1. High-temperature refractory insulation lining for industrial furnaces, kilns and metallurgical equipment.
  2. Insulation casting material, thermal insulation board and fireproof insulation profiles.
  3. High-temperature heat insulation coating and anti-high-temperature anticorrosive coating.
  4. Composite insulation materials blended with hollow glass microspheres, aerogel and alumina powder.
  5. Special thermal insulation ceramics and aerospace high-temperature thermal insulation components.
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