Brass Powder 70/30
70Cu/30Zn brass powder for decorative liquid metal coatings, conductive pastes and sintered components. Rich golden colour, fine mesh grades available.
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Supplied
Available Grades
Standard grades held in UK stock; other grades and particle sizes made to order.
| Description | Composition (%) | App. Density (g/cc) | Size (µm) |
|---|---|---|---|
| Brass Powder 70/30 -100# | Cu 70 / Zn 30 | 2.8–3.8 | < 150 |
| Brass Powder 70/30 -200# | Cu 70 / Zn 30 | 2.8–3.8 | < 75 |
| Brass Powder 70/30 -325# | Cu 70 / Zn 30 | 2.8–3.8 | < 45 |
* Made to order · Stock item unless noted · Pricing is commodity-linked — contact us for a current quotation.
BS-7030
Technical Data
BS-7030 is Ronald Britton's 70/30 brass powder (70% copper, 30% zinc) for liquid metal decorative coatings, conductive pastes, cold casting and sintered components. The golden brass colour and fine particle grades make it the preferred choice for decorative metallic surface applications.
| Property | Value |
|---|---|
| SKU Code | BS-7030 |
| Material | Brass (Cu-Zn 70/30) |
| Production Method | Atomisation |
| Particle Morphology | Irregular / Spherical |
| Available Grades | -100, -200, -325 mesh |
| Composition | Cu 70% / Zn 30% (nominal) |
| Apparent Density | 2.8–3.8 g/cc |
| Flow Rate (Hall) | 28 sec/50g |
| Colour | Bright gold |
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Traceability
Verified
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Mesh ↔ Micron Converter
Instantly convert between standard mesh sizes and micron measurements.
Quick tip: the minus sign in mesh sizes (e.g. -200) means the powder passes through that sieve, so -200 mesh means every particle is smaller than 75 µm.
Read the full guide →CU-ED range: STD (-100#), SFP2/SFP3 (-300#), SFP8 (-240#), SFP10 (-300#)
Where
BS-7030
Performs Best
Typical applications for this grade. Our technical team can advise on the best grade for your process.
- Liquid metal decorative coatings
- Conductive pastes and inks
- Cold casting and resin composites
- Sintered structural components
- Brazing alloy formulation