Coating

Types and Features of Surface Insulation

Coating types -> C-6A C-9A Remarks
Equivalent ASTM type C-5 C-5
Composition organic/filler organic/filler
Thickness (um) 0.40~0.60 1.00~1.20
Resistivity (Ωcm²/sheet)
Before SRA ≥0.5 ≥5.0
ASTM A717 SRA condition:750°C x 2hrs.In DX rich gas
After SRA ≥0.1 ≥0.5
Lamination factor (%) 98 98 1.0 Mpat 0.05 in pressure (JIS C 2550)
Heat Resistance flaking after SRA
Not Recongnized Not Recongnized 150°C x 24hr in Air
Not Recongnized Not Recongnized 750°C x 2hrs.In DX rich gas
Weathering (powdering) Not Recongnized Not Recongnized 65°C, 95% humidity, 72hr
Adhesion (mmΦ)
Before SRA(mandrel bend tester) 10 10 ISO1519
After SRA(cross cut tester) 5B 5B ASTM D3359B [0B(poor)~5B(excellent)] SRA
Resistance to Refrigerents
Change of surface Not Recongnized Not Recongnized
R-134a/Freol @15C=65g/100g(1300C, 21day, 0.45μ.m filter paper)
Change of weight Not Recongnized Not Recongnized
Weldability excellent good Current : 100~150A, Ar99% flow.10~20L/min, Speed:0.25~0.50mpm

Note: 1) Please designate surface insulation according to usage.Regarding coating properties,please contact us.
   2) The coating thickness value and the resistivity is typical value, not guaranteed.