Materiales

Materiales

ISO 4645:2022 - Rubber and rubber products — Identification of antidegradants — Thin layer chromatographic methods
- This document describes two methods for identification of antidegradants (antioxidants, antiozonants and stabilizers) which can be present in raw rubber, unvulcanized compounded rubber, or...
ISO 2782-1:2022 - Rubber, vulcanized or thermoplastic — Determination of permeability to gases — Part 1: Differential-pressure methods
- This document specifies three methods for the determination of the permeability to gases of vulcanized or thermoplastic rubber under a differential partial pressure.The three methods...
ISO 24376:2022 - Rubber, raw natural — Guidelines and requirements for technically specified low-protein natural rubber
- This document provides guidelines and gives requirements on the specification of low protein natural rubber (LPNR). A grading system is proposed, based on the origin of the natural rubber...
ISO 6721-12:2022 - Plastics — Determination of dynamic mechanical properties — Part 12: Compressive vibration — Non-resonance method
- This document describes a compressive vibration, non-resonance method for determining the components of the compressive complex modulus E* of polymers at frequencies typically in the...
ISO 13844:2022 - Plastics piping systems — Elastomeric-sealing-ring-type socket joints for use with plastic pipes — Test method for leaktightness under negative pressure, angular deflection and deformation
- This document specifies a method for testing the leak tightness under negative pressure, angular deflection and deformation of assembled joints between elastomeric-sealing-ring-type sockets...
ISO 1658:2022 - Natural rubber (NR) — Evaluation procedure
- This document specifies—    physical and chemical tests on raw natural rubbers;—    standard materials, standard test formulae, equipment and processing methods for...
ISO 21490:2022 - Rubber and rubber products — Determination of 2-mercaptobenzothiazole content by high performance liquid chromatography (HPLC)
- This document specifies a quantitative test method to determine the 2-mercaptobenzothiazole content in rubber and rubber products by high performance liquid chromatography (HPLC).This...
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...