Description

WD*5 is a medium-low temperature powder with heavy silicone treatment, mainly used in high quality elements of low wattage loading or liquid heating elements. Elements stuffed with this material do not require annealing or sealing but with perfect moisture proof performance. 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;*8 *6ï&frac*4;*4 *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*4ï&frac*4;*0s/**0g Electrical Property Testing Condition Tube ……Copper coated iron Reduction ……φ8.0mm→φ6.6mm Wire ……0Cr*5A*5ï&frac*4;ŒÏ†0.*0mm Helix ……φ2.3mm Heated length ……*0.0cmï&frac*4;*2.0cm Energized period ……*5 mins Remark: Forusers’reference, the chart here shows typical values of performance by this type of powder.