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ASTM D4265-21 - Standard Guide for Evaluating Stain Removal Performance in Home Laundering
January 15, 2021 - ASTM International

5.1Â This guide suggests a number of staining agents that are representative of stains commonly encountered in household laundry. The assessment need not be limited to this suggested list of stains, especially if special product types or end uses are being evaluated. This guide can be used...

ASTM D4756-15(2021) - Standard Practice for Installation of Rigid Poly(Vinyl Chloride) (PVC) Siding and Soffit
January 15, 2021 - ASTM International

1.1Â This practice covers the basic requirements for and the methods of installation of rigid vinyl siding, soffits, and accessories on the exterior wall and soffit areas of buildings. In all applications, refer also to the specific manufacturer's installation instructions and the requirements of...

ASTM D4889-21 - Standard Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates
January 15, 2021 - ASTM International

1.1Â These test methods (A and B) determine the viscosity of crude or modified isocyanates. They are applicable to products derived from toluene diisocyanate, methylene di(phenylisocyanate), and polymeric (methylene phenylisocyanate) (see Note 1). Note 1:Â Test method A...

ASTM D5338-15(2021) - Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials Under Controlled Composting Conditions, Incorporating Thermophilic Temperatures
January 15, 2021 - ASTM International

5.1Â Biodegradation of a plastic within a composting unit is an important phenomenon because it may affect the decomposition of other materials enclosed by the plastic and the resulting quality and appearance of the composted material. Biodegradation of plastics will also allow the...

ASTM D5523-21 - Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
January 15, 2021 - ASTM International

5.1Â This test method is suitable for research or for quality control to characterize TDI and MDI. 5.2Â This test method was developed to overcome problems with low-level acidity determinations that use glass electrodes in the presence of reagent alcohol solvents. Reagent alcohols contain...

ASTM D6341-21 - Standard Test Method for Determination of the Linear Coefficient of Thermal Expansion of Plastic Lumber and Plastic Lumber Shapes Between –30 and 140°F (–34.4 and 60°C)
January 15, 2021 - ASTM International

1.1Â This test method covers the determination of the coefficient of linear thermal expansion for plastic lumber and plastic lumber shapes to two significant figures. The determination is made by taking measurements with a caliper at three discrete temperatures. At the test...

ASTM D6394-21 - Standard Classification System for and Basis for Specification for Sulfone Plastics (SP)
January 15, 2021 - ASTM International

This specification covers the classification of sulfone plastics suitable for injection molding and extrusion. It is intended to be a means of calling out sulfone plastics used in the fabrication of end items or parts. Sulfone polymers, being thermoplastic, are reprocessable and recyclable....

ASTM D6866-21 - Standard Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis
January 15, 2021 - ASTM International

4.1Â This testing method provides accurate biobased/biogenic carbon content results to materials whose carbon source was directly in equilibrium with CO2 in the atmosphere at the time of cessation of respiration or metabolism, such as the harvesting of a crop or grass living its...

ASTM D7997-21 - Standard Practice for Polyurethane Raw Materials: Gel Tests for Polyurethane Non-Foam Formulations
January 15, 2021 - ASTM International

1.1Â This practice covers procedures for determining the gel times of polyurethane non-foam formulations using commercially available gel test equipment. 1.2Â Definitions, terms, and techniques are described along with procedures for calculating sample weights. 1.3Â The values stated in SI...

ASTM F2161-21 - Standard Guide for Instrument and Precision Bearing Lubricants—Part 1 Oils
January 15, 2021 - ASTM International

1.1Â This guide is a tool to aid in the choice of an oil for precision rolling element bearing applications. There are two areas where this guide should have the greatest impact: (1) when a lubricant is being chosen for a new bearing application and (2) when a lubricant...

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