Tin powder
Appearance: Silvery grey powder
Sn: 99.50% min.
Fe: 0.04% max.
Pb: 0.01% max.
Cu: 0.02% max.
Bi: 0.03% max.
As: 0.01% max.
Sb: 0.04% max.
Residue on ignition after HCL treatment: 0.025% max.
Loss on hydrogen reduction: 0.25% max
Size: 100mesh sieve: 100% pass
400 mesh sieve, sieve allowance: 3% max
325 mesh sieve, sieve allowance: 3% max
200 mesh sieve, sieve allowance: 3% max