Lab sink material is a chemistry decision dressed as a fixture decision. Epoxy resin for general chemistry, polypropylene for acids and trace metals, stainless for biological work and glasswash, solid surface for light-duty. Anchored to SEFA 3, SEFA 7, ASME A112.18.1, NSF/ANSI 372, and ASSE 1071.
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Mobile lab casework adds real flexibility — but wall cabinets, base runs, and sink cabinets stay fixed. Here’s where mobile works, where it doesn’t, and what the standards actually allow.
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A specifier-grade walkthrough of CSI Section 12 35 53. SEFA 8 variants, AWI Duty Levels, the “or equal” clause, NFPA 30, and the Division 22/26 handoffs that drive most lab RFIs.
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Map ISO 14644-1 classes to the casework materials, finishes, and joint details that hold up — plus a five-question decision tree for Division 12 spec writers.
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A practical 2026 guide to epoxy resin lab countertops — heat tolerance, SEFA 3 chemical resistance, weight, fabrication limits, and Durcon color tiers.
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A practical 2026 guide to phenolic resin lab countertops — chemical resistance, heat limits, weight, colors, and fabrication. SEFA 3 anchored.
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Lab snorkels explained — what they do, when to use one, when a fume hood is required, and how they save energy. ACGIH and SEFA anchored.
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Biosafety cabinet vs fume hood — the 2026 technical refresher to our 2021 primer, with NSF/ANSI 49, CDC BMBL, NIH DRM, and ANSI Z9.5 anchors.
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Stainless steel lab cabinets 2026: when 304, 316, or 316L is the right grade, what SEFA 8 actually requires, and where stainless is overkill.
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