Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
The ASTM D4696-18 standard provides a comprehensive guide for in situ pore-liquid sampling from the vadose zone (unsaturated zone). It is intended as an organized collection of information and a series of options, not a prescribed course of action, and…
This article provides a detailed technical overview of ASTM D4694-09 (Reapproved 2020), the standard test method for measuring pavement deflections using a falling-weight-type impulse load device, commonly referred to as a Falling Weight Deflectometer (FWD). This standard provides the foundational…
📐 Scope and Practice Overview ASTM D4692-01 (Reapproved 2017) provides a standardized framework for calculating and adjusting the scaling potential of sulfate salts—specifically calcium sulfate (CaSO₄), strontium sulfate (SrSO₄), and barium sulfate (BaSO₄)—within the concentrate stream of reverse osmosis (RO)…
📐 Standard Overview and Scope ASTM D4693-07 (Reapproved 2021) is a standard test method for evaluating low-temperature torque of grease-lubricated wheel bearings. It assesses the extent to which a test grease retards the rotation of a specially-manufactured, spring-loaded, automotive-type wheel…
ASTM D4691-17 establishes the standard practice for the quantitative determination of elements in water and wastewater by flame atomic absorption spectrophotometry (FAAS). This technique is recognized for its simplicity, rapidity, and broad applicability across various water matrices, including drinking water,…
📐 Scope and Classification ASTM D4689-12 (Reapproved 2024) provides a definitive specification for casein-type adhesives used in wood-to-wood bonding. This standard covers dry powder or granular adhesive products comprising a mixture of casein, or casein and other protein sources, with…
📐 Scope and Classification of UF Resin Adhesives ASTM D4690-12 (Reapproved 2018) provides a comprehensive specification for three types of urea-formaldehyde (UF) thermosetting resin adhesives. These adhesives are specifically formulated for bonding wood, wood-based substrates, and plastic laminates. As a…
ASTM D4687-14 (Reapproved 2022), under the jurisdiction of ASTM Committee D34 on Waste Management and Subcommittee D34.01.01 on Planning for Sampling, provides a standardized approach for general planning of waste sampling. The standard emphasizes that analysis and testing of solid…
📐 Specimen Geometry and Types ASTM D4688 defines two primary finger joint configurations for evaluating structural adhesives: horizontal and vertical finger joints. The horizontal joint profile is visible on the lumber edge, while the vertical joint profile appears on the…
📝 Scope and Applicability ASTM D4685/D4685M – 15 (Reapproved 2020) establishes a standard test method for determining the abrasion resistance of pile fabrics, specifically measuring the loss of pile tufts (pile retention or pile pull out). It applies to regular,…