Materiales

Materiales

ISO 527-4:2021 - Plastics — Determination of tensile properties — Part 4: Test conditions for isotropic and orthotropic fibre-reinforced plastic composites
- This document specifies the test conditions for the determination of the tensile properties of isotropic and orthotropic fibre-reinforced plastic composites, based upon the general principles...
ISO 22482:2021 - Thermal insulation products — Aerogel blanket for buildings — Specification
- This document specifies the requirements for factory-made aerogel blankets, which are used for the thermal insulation of building applications. This document specifies insulation that exhibits...
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...
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...
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...
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...
C739 Standard Specification for Cellulosic Fiber Loose-Fill Thermal Insulation has been revised to C739-21a
- Abstract This specification covers the composition and physical requirements of chemically treated, recycled cellulosic fiber loose-fill type thermal insulation for...
D6454/D6454M Standard Test Method for Determining the Short-Term Compression Behavior of Turf Reinforcement Mats (TRMs) has been reapproved, available as D6454/D6454M-99(2021)
- Significance and Use 5.1 The compression behavior test for TRMs is intended to be an index test. It is anticipated that the results of the compression behavior test will be...
ISO 13000-1:2021 - Plastics — Polytetrafluoroethylene (PTFE) semi-finished products — Part 1: Requirements and designation
01/08/2021 - This document establishes a system of designation for processed unfilled polytetrafluoroethylene (PTFE) products, which can occur in several forms.The PTFE used to make the semi-finished...
D3465 Standard Guide for Purity of Monomeric Plasticizers by Gas Chromatography has been revised (with title change) to D3465-21
- Significance and Use 5.1 Infrared techniques frequently cannot detect low-level materials. Gas chromatographic methods possess higher sensitivity and are used to extend limits...
ISO 1043-4:2021 - Plastics — Symbols and abbreviated terms — Part 4: Flame retardants
01/07/2021 - This document provides uniform symbols for flame retardants added to plastics materials.
D7205/D7205M Standard Test Method for Tensile Properties of Fiber Reinforced Polymer Matrix Composite Bars has been revised to D7205/D7205M-21
- Significance and Use 5.1 This test method is designed to produce longitudinal tensile strength and elongation data. From a tension test, a variety of data are acquired that are...
ISO 14852:2021 - Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium — Method by analysis of evolved carbon dioxide
01/06/2021 - This document specifies a method, by measuring the amount of carbon dioxide evolved, for the determination of the degree of aerobic biodegradability of plastic materials, including those...