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The D1131-01 is the bulk silica bead variant at 0.1 mm size, 200 g pack at $256 ($1.28 per gram). NEW SUBFAMILY: D1131 Bulk Beads for facility-loaded BeadBug workflows. Pair with D1031-T20 / D1031-T21 empty tubes to load custom bead chemistry / quantity per tube.
| SKU | D1131-01 |
| Bead material | Silica (glass) acid-washed |
| Bead size | 0.1 mm |
| Pack quantity | 200 g |
| Per-gram cost | $1.28 |
| Compatible empty tubes | D1031-T20 (1000/pk), D1031-T21 (50/pk) |
| Compatible chassis | D1030 BeadBug 3, D1036 BeadBug 6 |
| Sister D1131 sizes | D1131-05 (0.5mm, $256), D1131-10 (1.0mm, $256) |
| Sister bulk zirconium | D1132-* family ($512 / 250g; premium for zirconium TP) |
| List price | $256 |
| Procurement option | Cost per equivalent 50 tubes | Best for |
| Prefilled tubes (D1031-01, $136 / 50pk) | $136 ($2.72/tube) | Standard workflows, no facility loading required |
| Bulk beads (D1131-01, this product) + empty tubes (D1031-T20, $0.20/tube) | ~$10 (bulk beads) + $10 (50 tubes) = $20 | Custom bead loading, facility-scale economics |
Substantial cost savings at scale. 50 tubes loaded with bulk silica costs ~$20 vs $136 for prefilled, but requires facility-loaded workflow. Bulk procurement breaks even around 7 prefilled-tube-pack equivalents depending on per-tube bead-mass loading.
Pick the D1131-01 when:
| SKU | Bead size | Pack | List price |
| D1131-01 (this product) | 0.1 mm | 200 g | $256 |
| D1131-05 | 0.5 mm | 200 g | $256 |
| D1131-10 | 1.0 mm | 200 g | $256 |
Pair with empty tubes (D1031-T20 1000/pk or D1031-T21 50/pk).
Confirm at quote: empty tube pairing, intended bead-mass-per-tube loading protocol, and lead time.
Warranty: Per Benchmark Scientific standard consumable terms.
D1131 bulk silica family: facility-loaded workflow at scale economics. Sister D1132 zirconium bulk beads ($512 / 250g) cover higher-density tougher-sample workflows.
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