Ceramics
| BSST No. | Composition | Particle Size | Specifications | Comparable Products |
| PP-30 | Propretary Refractory | -53 +10 | 901689-30 | |
| Oxide | ||||
| PP-31 | Al2O3 50TiO2 | -53 +10 | 901689-31 | |
| PP-32 | Al2O3 3TiO2 | -74 +30 | GE A50TF87 CL-B, | 101B-NS, ALO-159 |
| PWA 1311, 9507/50 | ||||
| PP-33 | Al2O3 99.5% | -44 +10 | PWA 1310, CPW 210, | 105NS, ALO-101 |
| MSRR 9507/9 | ||||
| PP-34 | Al2O3 99% | -44 +10 | PWA 1310, CPW 210, | 105NS, ALO-101 |
| MSRR9507/9 | ||||
| PP-35 | Al2O3 99.5% | -44 +20 | PWA 1310, CPW 210, | |
| MSRR 9507/9 | 105NS | |||
| PP-35HP | Al2O3 99.9% | -31 +3.9 | 901689-35HP | 105SFP |
| PP-37 | Al2O3 3TiO2 | -44 +20 | A50TF87 CL-A | 101NS, ALO-105 |
| MSRR 9507/36 | ||||
| PP-38F | Cr2O3 99% | -44 +15 | 901689-38F | |
| PP-38SP | Cr2O3 99% | -44 +10 | CPW 320 | CRO-167 |
| PP-38SPT | Cr2O3 99% | -44 +20 | 901689-38SPT | 6420, CRO-172 |
| PP-38SPF | Cr2O3 99% | -30 +10 | 901689-38SPF | CRO-179 |
| PP-38SPVF | Cr2O3 99% | -22 +5 | 901689-38SPVF | 6417, CRO-174 |
| PP-39 | Cr2O3 3TiO2 | -44 +10 | 901689-39 | 106 |
| PP-39S | Cr2O3 5SiO2 3TiO2 | -74 +44 | 901689-39S | 136CP |
| PP-40 | ZrO2 23CeO2 | -74 +10 | 901689-40 | 205NS |
| PP-41 | ZrO2 8Y2O3 | -74 +10 | A50TF278 CL-B/C, | 204NS, Al-1075, |
| PWA 1375 | ZRO-182 | |||
| PP-41B | ZrO2 8Y2O3 | -74 +44 | MSRR 9507/46 | 204B-NS |
| PP-41P | ZrO2 8Y2O3 | -44 +10 | A50TF278 CL-A, | 204C-NS |
| A50A558 CL-C | ||||
| PP-42 | ZrO2 5CaO | -74 +44 | PWA1312,CPW 212 | 201B-NS |
| PP-42B | ZrO2 5CaO | -63 +10 | MSRR 9507/18 | 201NS |
| PP-43 | ZrO2 20Y2O3 | -88 +20 | A50TF204 CL-A, | 202NS, Al-1066 |
| PWA 36087, CPW 388, | ||||
| MSRR 9507/37 | ||||
| PP-45 | ZrO2 22MgO | -74 +44 | GE A50TF155 CL-A, | 210, ZRO-103 |
| PWA 1333, | ||||
| MSRR 9507/21 | ||||
| PP-46B | TiO2 99% | -63 +20 | 901689-46B | 102 |
| PP-47 | Al2O3 13TiO2 | -44 +15 | 901689-47 | 130, ALO-187 |
| PP-47F | Al2O3 13TiO2 | -30 +5 | 901689-47F | 130SF, AL0-188 |
| PP-48 | Al2O3 40TiO2 | -44 +15 | 901689-48 | 131VF, ALO-121 |
| PP-48F | Al2O3 40TiO2 | -30 +5 | 901689-48F | |
| PP-49 | 72% Al2O3 / 28% | -74 +10 | ALLIED SIGNAL | |
| MgO SPINEL | K-1857 | |||
| PP-131 | Al2O3 99.5% | -44 +20 | 901689-131 | 105NS, ALO-101 |
| SINTERED | ||||
| PP-131VF | Al2O3 99.5% | -37 +5 | 901689-131VF | |
| SINTERED | ||||
| PP-133 | Al2O3 99.5% | -30 + 5 | 901689-133 | 105SF, Al1110HP |
| FUSED & CRUSHED | ||||
| PP-135 | Al2O3 99.5% | -20 +5 | 901689-135 | 105SF, Al1110HP |
| FUSED & CRUSHED | ||||
| PP-137 | Al2O3 2.5TiO2 | -30 +5 | A50TF87 CL-C | 101SF |
| PP-139 | Cr2O3 3TiO2 | -30 +5 | 901689-39 | 106F |
| FUSED & CRUSHED | ||||
| PP-139S | Cr2O3 5SiO2 3TiO2 | -53 +10 | 901689-139S | 136F, CRO-192 |
| PP-146B | TiO2 99% | -30 +10 | 901689-146B | |
| PP-311 | TITANIA/CHROME | -63 +10 | 901689-311 | 111 |
| OXIDE 55 / 45 | ||||