| 1 | R1301 | Porcelain crucibles for chemical analysis |
| 2 | R1302 | Porcelain basins for chemical analysis |
| 3 | R1307 | Porcelain combustion tubes for chemical analysis |
| 4 | R1401 | Non-Metallic protection tubes for thermocouples |
| 5 | R1402 | Non-metallic insulating tubes for thermocouples |
| 6 | R3202 | Float glass and polished plate glass |
| 7 | R3205 | Laminated glass |
| 8 | R3206 | Tempered glass |
| 9 | R3209 | Insulating glass |
| 10 | R3211 | Safety glazing materials for road vehicles |
| 11 | R3213 | Safety glass for rolling stock |
| 12 | R3301 | Glass beads for traffic paint |
| 13 | R3411 | Textile glass chopped strand mats |
| 14 | R3412 | Textile glass rovings |
| 15 | R3413 | Textile glass yarns |
| 16 | R3414 | Textile glass fabrics |
| 17 | R3415 | Textile glass tapes |
| 18 | R3416 | Finished textile glass fabrics |
| 19 | R3417 | Textile glass -- Woven roving |
| 20 | R3419 | Textile glass chopped strands |
| 21 | R3503 | Glass apparatus for chemical analysis |
| 22 | R3504 | Glass material for chemical analysis |
| 23 | R3505 | Volumetric glassware |
| 24 | R5212 | Portland pozzolan cement |
| 25 | R5213 | Portland fly-ash cement |
| 26 | R5214 | Ecocement |
| 27 | R6212 | Resinoid grinding wheels |
| 28 | R6213 | Depressed center wheels with fabric reinforcement |
| 29 | R6214 | Resinoid cutting-off wheels |
| 30 | R6251 | Abrasive cloths |
| 31 | R6252 | Abrasive papers |
| 32 | R6253 | Waterproof abrasive papers |
| 33 | R6255 | Abrasive discs |
| 34 | R9001 | Industrial lime |
