Description

WD*9 is a high temperature powder with light silicone treatment, mainly used in air heating elements of medium or high wattage loading. It can stand ***0℃ annealing and requires immediate sealing. Chemical Analysis (%) MgO CaO Al2O2 Fe2O3 SiO2 ≥*4.0 ≤1.5 ≤0.9 ≤0.5 ≤2.5 Particle Distribution Mesh ï&frac*4;‹*0 ï&frac*4;‹*0 ï&frac*4;‹*0 ï&frac*4;‹**0 ï&frac*4;‹**0 ï&frac*4;‹**5 ï&frac*4;**5 Dia(um) ï&frac*4;‹**5 ï&frac*4;‹**0 ï&frac*4;‹**0 ï&frac*4;‹**6 ï&frac*4;‹*5 ï&frac*4;‹*5 ï&frac*4;*5 Quantity (%) 0ï&frac*4;1 *6ï&frac*4;*4 *6ï&frac*4;*8 *8ï&frac*4;*8 6ï&frac*4;*4 8ï&frac*4;*4 0ï&frac*4;8 Tap Density 2.*8ï&frac*4;2.*0g/cm3 Flow 3# Ford Cupï&frac*4;ˆÏ†2.**5mmï&frac*4;2.**5mmï&frac*4;‰ï&frac*4;š**0ï&frac*4;**0s/**0g 4# Ford Cupï&frac*4;ˆÏ†3.*7mmï&frac*4;4.*1mmï&frac*4;‰ï&frac*4;š*1ï&frac*4;*7s/**0g Electrical Property Testing Condition Tube ……SUS**4 Reduction ……φ8.0mm→φ6.6mm Wire ……Ni*0Cr*0, φ0.*5mm Helix ……φ2.3mm Heated length ……*3.0cmï&frac*4;*5.0cm Energized period ……*5 mins Remark: Forusers’reference, the chart here shows typical values of performance by this type of powder.