A rosin press is the industrial machine that produces rosin: two heated metal plates (typically aluminum) that close together with hydraulic or pneumatic pressure. The cannabis material — flower, kief, or hash, typically inside a micron bag — is placed between the plates, the plates close, heat (180–210°F) and pressure (800–1,200 PSI) are applied, and the rosin extrudes onto parchment paper between the plates. Press categories: home/personal presses ($300–$1,500, 5–20 ton pressure, 2–4 inch plates) for under-an-ounce batches; commercial presses ($3,000–$15,000, 25–40 ton pressure, 6×11+ inch plates) for ounces-to-pounds-per-batch production; industrial presses ($30,000+, 100+ ton, custom plate sizes) for facility-scale extraction. Plate temperature precision is critical — temperature variation across the plate surface produces uneven rosin quality. Quality presses use cartridge heaters with PID controllers maintaining ±2°F. Industry leaders: PurePressure (Pikes Peak, Pinhead, Helix product lines), Sasquash, Lonestar. See our rosin press buyer's guide.
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