| No. | Product Name | CAS | Specification | Minimal packaging | Remarks |
| 248 |
Tellurium powder |
13494-80-9 | 4N | 25g/bottle | |
| 249 |
Copper powder |
7440-50-8 | AR/4N/5N | 25g/bottle | |
| 250 |
Boron powder |
7440-42-8 | 5N | 25g/bottle | |
| 251 |
Rhenium powder |
7440-15-5 | 4N | 25g/bottle | |
| 252 |
Nickel powder |
7440-02-0 | 4N | 25g/bottle | |
| 253 |
Niobium powder |
3N | 25g/bottle | ||
| 254 |
Molybdenum powder |
4N | 25g/bottle | ||
| 255 |
Tungsten powder |
7440-33-7 | 3N | 25g/bottle | |
| 256 |
Bismuth powder |
7440-69-9 | 5N | 25g/bottle | |
| 257 |
Antimony powder |
744-03-6 | 4N | 25g/bottle | |
| 258 |
Ganister sand |
7440-21-3 | 4N | 25g/bottle | |
| 259 |
Lead powder |
7439-92-1 | AR/3N/5N | 25g/bottle | |
| 260 |
Magnesium powder |
7439-95-4 | 3N | 25g/bottle | |
| 261 |
Zinc powder |
31396-84-6 | 3N/5N | 25g/bottle | |
| 262 |
Titanium powder |
7440-32-6 | 3N | 25g/bottle | |
| 263 |
Cobalt powder |
AR/3N | 25g/bottle | ||
| 264 |
Manganese powder |
7439-96-5 | 3N | 25g/bottle | |
| 265 |
Tin powder |
7440-31-5 | AR/3N | 25g/bottle | |
| 266 |
Chromium powder |
7440-47-3 | 3N | 25g/bottle | |
| 267 |
Indium powder |
7440-74-6 | 4N | 25g/bottle |



