Furniture Testing Blog - Standards, Methods & Equipment Guides

EUROPEAN SEATING STANDARDS · APPLICATION & EQUIPMENT A chair sold for a home and a similar-looking chair supplied to a restaurant may need different test plans. The right choice between EN 12520 and EN 16139 begins with intended use and product scope—not appearance, price or a supplier’s “commercial grade” label. Quick answer: which standard should you review? EN 12520 addresses adult domestic seating. EN 16139 addresses non-domestic seating within its scope, including office visitor chairs. Neither should be assumed to cover every chair in an office or public building. Confirm the product, edition and customer requirements before selecting tests or equipment. 1. Confirm the editions before comparing requirements This guide compares EN 12520:2024 with EN 16139:2025, as identified in standards-body catalogues. A national designation such as BS EN, DIN EN or UNI EN can carry a different adoption date. Record the complete reference requested for the job, including applicable amendments or corrections. Do not compare an older domestic test report with a newer contract requirement using only cycle counts. Review the actual methods, safety provisions, specimen configuration and assessment criteria. An amendment proposal is not automatically a published requirement. 2. Domestic versus non-domestic: compare the scope Question EN 12520:2024 EN…

Cornell-style mattress testing is often discussed alongside ASTM F1566, but the method name, sample type and measurement stage need to be stated precisely. This practical workflow helps a laboratory prepare, document and review a mattress durability project. It is not a reproduction of the ASTM test method or a substitute for a controlled laboratory SOP. Important correction: ASTM F1566-14(2021) identifies durability as Section 7, impact as Section 8, and firmness retention/surface deformation as Section 9. The legacy URL contains “section-9-sop”; that URL is retained for link continuity, but Section 9 must not be described as the durability procedure. Confirm the exact F1566 procedure and edition with the customer before testing. 1. Define the Specimen and the Required Outcome ASTM F1566 covers innersprings, boxsprings, finished mattresses or mattress sets and relevant core or foundation constructions. Its published scope describes comparative test data rather than a universal pass/fail criterion. Record whether the item is a complete mattress, a core, a foundation or a set, and whether the selected procedure requires an upholstered sample. State the result sought: durability response, impact response, firmness retention or surface deformation. A laboratory may combine procedures, but it should not collapse them into one unspecified “Cornell test.”…

An office chair testing programme needs more than a list of machines or a generic load table. The laboratory must identify the chair configuration, select the applicable ANSI/BIFMA X5.1 actions, prepare each fixture and measurement, then retain enough setup evidence to interpret the observations. BIFMA lists the current general-purpose office-chair designation as ANSI/BIFMA X5.1-2017(R2022). “R2022” means reaffirmed; it is not a new 2022 load table. This guide provides a planning and recording workflow, not the protected standard text or an accredited test procedure. 1. Check That X5.1 Is the Right Scope BIFMA describes X5.1 as covering general office and institutional seating, including side or guest chairs, stacking chairs, tablet-arm chairs and stools. Public/lounge seating and large-occupant office chairs have separate BIFMA standards. Confirm the product’s intended use and the customer-required edition before choosing test items. The X5.1 scope guide explains this decision in more detail. Do not turn an equipment brochure into a standard: take required loads, durations, cycles, fixtures and acceptance criteria from your licensed controlled edition and approved customer test plan. This article intentionally does not publish an unverified clause-by-clause force table. Representative DR-J609 equipment. Record the actual loading action and fixtures supplied before mapping it to any…

Pneumatic and electric-servo systems can both be candidates for repeated sofa loading. The better choice depends on the required motion or force control, specimen range, utility availability, maintenance capacity and the supplier’s installed configuration. Neither drive type is automatically “EN compliant” or “BIFMA compliant” by itself. Start with the test programme. EN 1728 describes structural seating strength and durability methods but does not itself supply end-use requirements; a domestic or public-seating requirement is selected separately. For a broader method overview, use the sofa fatigue testing guide. This page focuses on drive selection and purchase acceptance. 1. What Actually Changes with the Drive? Pneumatic actuation Compressed air moves the loading head through a regulated valve and cylinder arrangement. Review supply pressure and quality, force-control approach, stroke, load profile and how the system handles interruptions. Electric-servo actuation A motor-driven axis can be configured for programmed position or force actions with feedback. Review the motor, transmission, sensor, controller and the dynamic profile achievable with the intended specimen and load. Neither label is a performance guarantee The achievable accuracy, speed and test coverage belong to a specific system design. Compare approved machine data and an agreed demonstration instead of treating actuator names as verified…

A turnkey furniture testing laboratory is not a fixed bundle of machines. It is a coordinated project covering the products to be tested, selected methods, specimen movement, utilities, installation and acceptance records. A practical commissioning plan reduces the risk of buying equipment that fits a catalogue but not the room or the test programme. This guide focuses on facility and supplier handover decisions. For a broader discussion of which product categories and tests to include, first read How to Set Up a Furniture Testing Laboratory. Neither page is a substitute for building engineering, site safety approval or laboratory accreditation advice. 1. Freeze the Test Scope Before Drawing the Room List products and maximum specimen dimensions: mattress, chair, sofa, table or foam material. Record the required standard editions, actions and tests performed in-house versus externally. Estimate specimen flow, daily test volume, storage and operator access around every station. Identify the measurements and reports the laboratory must produce. Request the vendor’s equipment list with included fixtures and exclusions, not only machine model numbers. For example, a chair lab may need repeated seat/back loading, swivel, impact and stability as separate actions. A mattress project may need rollator or Cornell equipment plus distinct measuring…

A useful foam IFD (indentation force deflection) result depends on the selected method, specimen and loading arrangement—not on the largest number displayed in a tester brochure. Buyers comparing laboratory equipment should first define the foam being tested, the standard edition required by the customer and the measurements the laboratory must retain. ASTM D3574 covers slab, bonded and molded flexible polyurethane foams. ISO 2439 covers indentation hardness of specified open-cell latex, urethane and PVC foams. The two documents have related concepts, but ASTM does not call ISO 2439 a complete equivalent. Select the controlled procedure before requesting a machine configuration. 1. Confirm the Test Method and Specimen ASTM D3574 Identify the particular indentation procedure and document edition required by the buyer or laboratory. “ASTM D3574” alone is not a complete operating programme because the standard contains multiple foam tests. ISO 2439 Specify the relevant method. ISO lists methods A–D for indentation hardness and method E for compressive deflection coefficient and hysteresis loss rate; these are not interchangeable single readings. Production QC or formal report For incoming inspection, decide which reading, tolerance and sampling plan the product specification uses. For a formal laboratory report, document conditioning, specimen geometry, method and results as…

MATTRESS LABORATORY EQUIPMENT · METHOD-BASED SELECTION Buying a mattress tester for both ASTM F1566 and EN 1957 is not simply a choice between a Cornell head and a roller. The proposal also needs to address specimen support, method-specific loading, before-and-after measurements and reporting. A machine may perform the durability loading yet still leave a measurement or fixture gap. Quick answer: can one system support both standards? Potentially, for selected methods and a reviewed configuration. Ask the supplier to map each required procedure to the loading apparatus, specimen envelope, measurement functions and included accessories. A “dual-standard” label is not evidence that every required function is supplied. 1. Compare the method scope before the machine The publisher catalogues identify ASTM F1566-14(2021) and EN 1957:2012. Confirm the exact edition requested for each job; the standards should not be selected solely from the customer’s country. Planning question ASTM F1566 EN 1957 Scope Multiple methods for mattress components and finished mattresses or mattress sets. Cornell is not the entire document. Durability and hardness of mattresses and complete beds with mattresses, within its stated scope. What to specify Identify selected methods, specimen construction and required measurements. Identify durability and measurement procedures, support arrangement and reporting needs….

Building an office chair testing laboratory starts with the tests your chairs need—not a fixed shopping list of five machines. Chair features, the required standard edition and the tests performed in-house determine the equipment, fixtures and measurement system to specify. This guide explains five equipment-planning directions for an ANSI/BIFMA X5.1 laboratory, how they differ, and the information needed for a technical quotation. They are a starting framework, not complete standard coverage or a recipe for laboratory accreditation. 1. Define the Chair Range and Required Evidence List the chairs you intend to evaluate: task or executive chairs, side chairs, stools, stacking chairs or other relevant configurations. Record adjustable features, armrests, casters, bases and mechanisms. A feature that is absent or constructed differently can change the applicable test and fixture arrangement. ANSI/BIFMA X5.1-2017(R2022) is the general-purpose office chair standard designation used here. R2022 indicates reaffirmation; it is not a separate “X5.1-2022” load table. Confirm the edition required by the customer or testing programme and use the controlled standard to determine the selected procedures. Public and lounge seating, large-occupant chairs and other specialised uses can have different scopes. Do not select an office-chair test programme solely from the country of sale. The BIFMA…

Equipment buying guide for mattress manufacturers and laboratories Buying a Cornell mattress durability tester starts with defining what your laboratory needs to test, measure and report. Two machines with similar photographs can include different fixtures, measurement functions and software. This guide explains how to compare proposed systems and turn a test requirement into a clear equipment quotation. Quick answer: Choose a Cornell tester by matching the requested test method and specimen to the loading system, fixtures, measurement ranges, records and installation needs. Ask the supplier to document the proposed configuration and demonstrate the functions included in the quotation. Confirm the acceptance checks and service terms before placing the order. 1. Define the Test Scope Before Comparing Machines The term “Cornell mattress tester” describes a mattress testing setup using a formed head for repeated localized loading. It is not a complete purchasing specification. Start with the standard edition, exact test item and buyer requirement, then identify the equipment functions needed to perform that work. ASTM F1566 covers several evaluation methods for mattress components and mattress systems. A quotation should identify which requested methods it covers. For test planning and interpretation of measurements, use the ASTM F1566 mattress testing guide alongside the…

Standard reference: ANSI/BIFMA X5.1-2017(R2022) Office chair testing begins with the chair configuration and the standard requested by the buyer. ANSI/BIFMA X5.1 provides a common basis for evaluating general-purpose office chairs. This guide explains its scope, how to organise the applicable tests, and how manufacturers and laboratories can match those tests to equipment and records. Quick answer: Confirm the applicable edition and all relevant tests for the chair’s design. Match the loading, fixtures, measurements and acceptance criteria to those methods. Keep equipment capability, product test results and participation in the BIFMA Compliant program as separate questions. 1. Read the Standard Designation Correctly BIFMA lists the standard as ANSI/BIFMA X5.1-2017(R2022), General-Purpose Office Chairs — Tests. The 2017 date identifies the publication or revision; R2022 means the standard was reaffirmed in 2022. Reaffirmation confirms continued relevance and does not mean a new set of increased loads was introduced that year. In specifications, reports and supplier enquiries, use the full designation requested by the buyer. Do not combine a load from one edition, a clause number from another and an acceptance criterion from a different chair category. Practical document check: identify the edition on the laboratory’s method, the buyer’s requirement and the proposed equipment…