Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
ASTM Standards Interpretation
⚙️ Test Procedure and Abrasion Mechanism ASTM D2228 specifies a cutting knife abrasion method using a unique Pico Abrader apparatus. A pair of tungsten carbide knives of precise geometry are lowered onto a rotating circular test specimen under a controlled…
📐 Specimen Geometry and Types ASTM D2229-24 specifically standardizes a test specimen consisting of a steel cord vulcanized directly into a block of rubber. The core procedure covers the determination of the force required to pull a steel cord from…
ASTM D2226 −93 (Reapproved 2022), “Standard Classification for Various Types of Petroleum Oils for Rubber Compounding Use,” establishes a comprehensive system for categorizing petroleum oils specifically intended for extending and processing styrene-butadiene rubbers (SBR) and butadiene rubbers (BR). It is…
📐 Scope and Classification of NR Technical Grades This specification, designated ASTM D2227 – 96 (Reapproved 2020), establishes the minimum physical and chemical quality requirements for five distinct grades of raw natural rubber (NR). The standard classifies NR into Grades…
📐 Scope and Summary of Test Method D2222-19 ASTM D2222-19 covers the determination of the methanol extract, or nonvolatile methanol-soluble portion, of vinyl chloride resins. This test method provides a quantitative measure of the methanol-soluble, nonpolymeric content of the virgin…
🧪 Overview and Scope ASTM D2225-20, officially titled “Standard Test Methods for Silicone Liquids Used for Electrical Insulation,” provides a comprehensive suite of test methods for evaluating silicone fluids specifically intended for use in transformers, capacitors, and electronic assemblies. These…
📐 Scope, Application, and Thickness Requirements ASTM D2220-21 covers a thermoplastic insulation made from poly(vinyl chloride) (PVC) or copolymers of vinyl chloride and vinyl acetate. It is recommended for use in power and control circuits where the conductor temperature does…
ASTM D2221 – 01 (Reapproved 2021) provides a standardized methodology for evaluating the creep and permanent set characteristics of package cushioning materials. Applicable to bulk, sheet, and molded materials, this test method simulates the static compressive loading experienced by cushioning…
The ASTM D2218-67 (Reapproved 2019) specification establishes the standard requirements for Molybdate Orange pigments used in paints and coatings. This article details the critical compliance areas including chemical composition, sampling protocols, and performance testing criteria. 📐 Specification Scope and Chemical…
The ASTM D2219-21 standard defines the specifications for poly(vinyl chloride) (PVC) insulation used in wire and cable applications, optimized for 60 °C operation. This insulation is suitable for wet or dry locations with a maximum voltage rating of 600 V…
⚙️ Purpose and Scope of ASTM D2216-19 These test methods establish the standard laboratory procedure for determining the water (moisture) content of soil, rock, and similar materials by mass. The core principle is that the reduction in mass observed during…
📜 Scope and Significance of Wet Preparation This standard practice covers the wet preparation of soil samples as received from the field for particle-size analysis and determination of soil constants. Procedure A is used when coarse-grained particles are soft and…