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The B3D-STACK is the stacking platform for Mini-platform B3D chassis (B3D1008 Mini BlotBoy / B3D1020 MiniMixer), sold at $154. The stacking platform creates a second tier 3.0" above the primary platform, allowing two layers of trays / membranes simultaneously in a single rocker cycle on the Mini platform. Effectively doubles per-cycle throughput at the Mini-platform scale, meaningful operational value for bench-space-constrained labs running multi-membrane / multi-tray workflows.
| SKU | B3D-STACK |
| Type | Stacking platform with flat mat for Mini-platform B3D chassis |
| Tier clearance | 3.0" between primary platform and stacking platform |
| Stacking-platform mat | Flat mat (sized 10.5" × 7.5" to match Mini chassis) |
| Compatible chassis | B3D1008 (Mini BlotBoy), B3D1020 (MiniMixer): and possibly Mini-platform sister chasses (confirm at order) |
| Sister stacking platform SKU | B3D-STACK-D (dimpled-mat version, $160) |
| Sister large-platform stacking SKU | B3D5000-STK (BenchWaver stacking platform, 13.5" × 13" with flat mat, 4.5" clearance, $169) |
| List price | $154 |
The Mini chassis (B3D1008 / B3D1020) at 10"×7.5" is the smallest B3D platform, chosen typically for bench-space-constrained labs or single-investigator dedicated workflows. When throughput needs to double on a Mini-platform installation, the choice is:
| Option | Per-cycle throughput | Cost | Bench footprint |
| Single Mini chassis alone | Single tier | $497 (B3D1008) | Mini |
| Mini chassis + stacking platform (this product) | Dual tier | $497 + $154 = $651 | Mini (vertical only) |
| Two Mini chasses | Dual single-tier (parallel) | $994 | 2 × Mini |
The stacking platform is the bench-space-efficient throughput doubler for Mini-platform installations.
Pick the stacking platform (B3D-STACK) when:
Pick the sister B3D-STACK-D ($160) for tube-format workflows, dimpled mat on the stacking platform secures tubes during dual-tier nutating motion.
| SKU | Mat type | Tier clearance | List price |
| B3D-STACK (this product) | Flat | 3.0" | $154 |
| B3D-STACK-D | Dimpled | 3.0" | $160 |
| B3D5000-STK (BenchWaver) | Flat | 4.5" | $169 |
The 3.0" Mini stacking clearance is smaller than the BenchWaver's 4.5". The Mini chassis is sized for smaller / shorter trays / membranes that fit beneath the lower clearance.
Pair with B3D1008 / B3D1020 chassis. Confirm Mini chassis inventory at order. The stacking platform is workflow-incomplete without a chassis.
Confirm tray / membrane height fits the 3.0" clearance. Items on the lower tier must fit beneath the stacking-platform clearance. Confirm tray heights at order.
Pair with replacement mat (B3D-FLAT, $44) for ongoing mat replacement on the stacking platform.
Confirm at quote: chassis pairing (specifically Mini), tray / membrane height fit, intended dual-tier workflow context, and lead time.
Warranty: Per Benchmark Scientific standard accessory terms.
B3D stacking platform family:
- B3D-STACK (this product): Mini stacking with flat mat ($154), bench-space-efficient throughput doubling for membrane / tray workflows
- B3D-STACK-D, Mini stacking with dimpled mat ($160), for tube workflows
- B3D5000-STK, BenchWaver stacking with flat mat ($169), for largest-platform workflows
Pick the Mini flat-mat stacking platform for bench-space-efficient dual-tier membrane / tray workflows on Mini chassis; sister dimpled-mat platform covers tube workflows; large-platform stacking covers BenchWaver workflows.
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