| Classification |
Type WFQSn 11Q |
Type WfqSn 8-3Q |
| Composition ?
%Wt. |
Cu |
88~90 |
87.5~90 |
| Sn |
10.0~11.5 (10.8) |
7~9 (8) |
| Zn |
---- |
2~4 (3) |
| P |
0.2~0.4 (0.3) |
---- |
| Inpurity |
≤ 0.5 |
≤ 0.8 |
| Properties |
Apparent Density g/cm3 |
≥ 4.75 |
≥ 4.75 |
| Tap Density g/cm3 |
≥ 5.3 |
≥ 5.3 |
| Flowability |
Excellent |
Excellent |
| Particle Shape |
Spherical |
Spherical |
| Appearance |
Pale Bronze Colour |
Pale Bronze Colour |
|
Note:
WFQSn 11Q is widely used both abroad and domestic. White WFQSn 8-3Q is common used in China only.
|
Particle size and distribution cuts of bronze powder are shown as follows |
| No. |
Particle Size Distribution ( μ ) |
Reference Mesh No. |
| 1 |
900~630 |
20~38 |
| 2 |
630~450 |
28~40 |
| 3 |
450~280 |
40~60 |
| 4 |
280~180 |
60~80 |
| 5 |
180~125 |
80~120 |
| 5A |
180~150 |
80~100 |
| 5B |
150~120 |
100~120 |
| 6 |
125~90 |
120~160 |
| 6A |
125~106 |
120~140 |
| 6B |
106~90 |
140~160 |
| 7 |
90~63 |
160~240 |
| 7A |
90~75 |
160~180 |
| 7B |
75~63 |
180~240 |
| 8 |
63~45 |
240~320 |
Note:?
Because of different wire diameter, mesh No. shown in table should be different. This is for reference only, we can offer special available products according to any of our customers' need. Use:
(1) Used to manufacture metallic polymers and mixing anti-friction material.
(2) Used to manufacture sintered Bronze filter and silencer etc.
(3) Used in watch, Meter and photo industries for finishing micro-parts.
(4) Used to manufacture friction material.
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