Materiales

Materiales

ISO/TS 23302:2021 - Nanotechnologies — Requirements and recommendations for the identification of measurands that characterise nano-objects and materials that contain them
- This document specifies requirements and recommendations for the identification of measurands to characterize nano-objects and their agglomerates and aggregates, and to assess specific...
ISO 6691:2021 - Thermoplastic polymers for plain bearings — Classification and designation
- This document specifies a classification and designation system for a selection of the most common unfilled thermoplastic polymers for plain bearings.The unfilled thermoplastic polymers...
F3036 Standard Guide for Testing Absorbable Stents has been revised to F3036-21
18/11/2021 - Significance and Use 4.1 Absorbable cardiovascular stents provide temporary support to the vasculature and are intended to degrade and absorb over time after being implanted...
D1417 Standard Test Methods for Rubber Laticesâ??Synthetic has been reapproved, available as D1417-16(2021)
18/11/2021 - Abstract This standard covers the test methods for synthetic rubber lattices ABR, BR, CR, IIR, NBR, NCR, NIR, PBR, PSBR, SBR, SCR, SIR, synthetic rubber lattices with...
D1766 Standard Test Method for Rubber Chemicalsâ??Solubility has been reapproved, available as D1766-05(2021)
18/11/2021 - Significance and Use 4.1 This test method may be used as a raw material quality-control tool. 1. Scope 1.1 This test...
D2702 Standard Practice for Rubber Chemicalsâ??Determination of Infrared Absorption Characteristics has been reapproved, available as D2702-05(2021)
18/11/2021 - Significance and Use 5.1 This procedure can be used for a variety of applications, including identifying unlabeled material, process control, raw material acceptance, product...
D3156 Standard Practice for Rubberâ??Chromatographic Analysis of Antidegradants (Antioxidants, Antiozonants and Stabilizers) has been reapproved, available as D3156-96(2021)
18/11/2021 - Significance and Use 4.1 This practice is useful for the examination of rubber compounds or products for the presence of chemicals that prevent or greatly reduce degradation...
D3182 Standard Practice for Rubberâ??Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets has been revised to D3182-21a
18/11/2021 - Significance and Use 3.1 This practice shall be used for specific procedures used in preparing rubber compounds for quality control of production, for research and development...
D4315 Standard Test Methods for Rubber Compounding Materialâ??Zinc Oxide has been revised to D4315-21
18/11/2021 - Significance and Use 3.1 These test methods may be used for quality control of zinc oxide used as a compounding material and for research and development studies where zinc...
D4571 Standard Test Methods for Rubber Compounding Materialsâ??Determination of Volatile Material has been revised to D4571-21
18/11/2021 - Significance and Use 5.1 These test methods are suitable for the determination of volatile material in rubber compounding materials. The test methods may be used for quality...
D4572 Standard Test Method for Rubber Chemicalsâ??Wet Sieve Analysis of Sulfur has been revised to D4572-21
18/11/2021 - Significance and Use 3.1 This test method is used to evaluate sulfur for suitability as a rubber vulcanizing agent. Sulfur particles must be significantly small enough to...
D4818 Standard Classification for Rubber Compounding Materialsâ??Vulcanization Accelerators has been revised to D4818-21
18/11/2021 - Significance and Use 3.1 Class 1, Sulfenamides:  3.1.1 As a group, the 2-benzothiazyl sulfenamides are the principle sulfur vulcanization accelerators used in the...
D4924 Standard Classification for Petroleum Waxes for Use in Rubber Compounding has been revised to D4924-21
18/11/2021 - Significance and Use 4.1 Petroleum waxes in rubber compounds are commonly used to provide protection from degradation by ozone under static conditions, that is, when there is...
D8410 Standard Specification for Evaluation of Cellulosic-Fiber-Based Packaging Materials and Products for Compostability in Municipal or Industrial Aerobic Composting Facilities is a new standard now available. D8410-21
18/11/2021 - 1. Scope 1.1 This specification covers cellulosic-fiber-based packaging materials and products associated with food, landscape waste, and other compost feedstocks,...
D6988 Standard Guide for Determination of Thickness of Plastic Film Test Specimens has been revised to D6988-21
18/11/2021 - Significance and Use 5.1 This guide is intended to provide recommendations and suggested good practices to determine precise dimensions when necessary for the calculation of...
ISO/TR 22455:2021 - Nanotechnologies — High throughput screening method for nanoparticles toxicity using 3D model cells
- This document describes a method for high throughput evaluation of cytotoxic response of 3D model cells exposed to NPs without optical interference.The method in this document is...
ISO 23508:2021 - Solution-polymerized SBR — Evaluation methods of viscoelastic properties
- This document specifies the standard test formulation, mixing procedure and test methods for evaluation of viscoelastic properties in a compound based on solution-polymerized styrene-butadiene...
ISO 11359-2:2021 - Plastics — Thermomechanical analysis (TMA) — Part 2: Determination of coefficient of linear thermal expansion and glass transition temperature
01/11/2021 -   This document specifies a test method, using thermodilatometry[1], for the determination of the coefficient of linear thermal expansion of plastics in a solid state by...
D6878/D6878M Standard Specification for Thermoplastic Polyolefin-Based Sheet Roofing has been revised to D6878/D6878M-21
- Abstract This specification covers flexible sheet made from thermoplastic polyolefin (TPO) as the principal polymer, intended for use in single-ply roofing membranes...