Spherical Tin Powder
High-purity spherical tin powder for bronze blending, brazing alloy formulation and powder metallurgy. Consistent particle size, excellent flowability.
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Available Grades
Standard grades held in UK stock; other grades and particle sizes made to order.
| Description | Composition (%) | App. Density (g/cc) | Size (µm) |
|---|---|---|---|
| Spherical Tin Powder -100# | Sn 99.5 min | 3.5–4.5 | < 150 |
| Spherical Tin Powder -200# | Sn 99.5 min | 3.5–4.5 | < 75 |
| Spherical Tin Powder -325# | Sn 99.5 min | 3.5–4.5 | < 45 |
* Made to order · Stock item unless noted · Pricing is commodity-linked — contact us for a current quotation.
SN-100
Technical Data
SN-100 is Ronald Britton's spherical tin powder, 99.5% minimum purity, available in -100, -200 and -325 mesh grades. Used as alloying addition in bronze and brass blending, brazing filler metal formulation, and as a low-melting additive in diamond tool bond matrices.
| Property | Value |
|---|---|
| SKU Code | SN-100 |
| Material | Tin (Sn) |
| Production Method | Spherical atomisation |
| Particle Morphology | Spherical |
| Available Grades | -100, -200, -325 mesh |
| Purity | Sn 99.5% min |
| Apparent Density | 3.5–4.5 g/cc |
| Flow Rate (Hall) | 30 sec/50g |
| Hydrogen Loss | 0.10% max |
| Flowability | Good |
| Colour | Silver grey |
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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
SN-100
Performs Best
Typical applications for this grade. Our technical team can advise on the best grade for your process.
- Bronze and brass blending
- Silver-free brazing filler metals
- Sintered friction materials
- Diamond tool bond matrices (low-melting additive)
- Powder metallurgy