Materiales

Materiales

ISO 24329:2022 - Low-protein natural rubber latex concentrate — Specification
- This document provides specifications for natural rubber latex concentrate which has low protein content [low protein natural rubber (LPNR) latex], as follows:—    LPNR latex: field...
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 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 25518:2021 - Single-use rubber gloves for general applications — Specification
01/10/2021 - This document specifies the physical requirements and sampling and testing methods for single-use rubber gloves, made from natural rubber latex, synthetic rubber latex or rubber solution,...
ISO/TS 16095:2021 - Reclaimed rubber derived from products containing mainly natural rubber — Evaluation procedure
01/07/2021 - This document defines—    the physical and chemical tests on raw reclaimed natural rubber, and—    the standard materials, standard test formulations, equipment, and...
ISO 22843:2020 - Rubber bands — General requirements and test methods
01/08/2020 - This document specifies general requirements and relevant test methods for rubber bands made of dry natural rubber used for general purposes such as for daily wrapping or packaging.This...
ISO 2000:2020 - Rubber, raw natural — Guidelines for the specification of technically specified rubber (TSR)
01/07/2020 - This document specifies guidance on the specification of technically specified rubber (TSR). A grading system is proposed, based on the origin of the natural rubber content and on properties...
D5712 Standard Test Method for Analysis of Aqueous Extractable Protein in Latex, Natural Rubber, and Elastomeric Products Using the Modified Lowry Method has been reapproved, available as D5712-15(2020)
- Significance and Use 5.1 This test method, for the determination of protein levels in latex, is primarily intended to test NR, latex, and elastomeric materials for...
D2227 Standard Specification for Natural Rubber (NR) Technical Grades has been reapproved, available as D2227-96(2020)
- Abstract This specification covers the minimum physical and chemical requirements for five technical grades of raw natural rubber. Materials are classified into grades...
ISO 4660:2020 - Rubber, raw natural — Colour index test
01/05/2020 - This document specifies two methods to determine the colour of raw natural rubber according to a standard colour scale:— Method A: colour matching against standard coloured...
ISO 3387:2020 - Rubber — Determination of crystallization effects by hardness measurements
01/03/2020 - This document specifies a test based on hardness measurements for determining the progressive stiffening of rubber with time, caused by crystallization. It is limited to materials having an...
ISO 125:2020 - Natural rubber latex concentrate — Determination of alkalinity
01/02/2020 - This document specifies a method for the determination of the alkalinity of natural rubber latex concentrate.The method is not necessarily suitable for latices from natural sources other...
ISO 7725:2020 - Rubber and rubber products — Determination of chlorine and bromine content
01/01/2020 - This document specifies methods for the determination of chlorine and/or bromine present in raw rubber as well as vulcanized or unvulcanized rubber compounds.The methods are applicable...
ISO 1656:2019 - Rubber, raw natural, and rubber latex, natural -- Determination of nitrogen content
01/07/2019 - This document specifies a macro-method and a semi-micro method for the determination of nitrogen in raw natural rubber and in natural rubber latex using variants of the Kjeldahl...
ISO 6101-6:2018 - Rubber -- Determination of metal content by atomic absorption spectrometry -- Part 6: Determination of magnesium content
- This document specifies an atomic absorption spectrometric method for the determination of the magnesium content of natural rubber latex concentrate, raw natural rubber and products made from...
ISO 127:2018 - Rubber, natural latex concentrate -- Determination of KOH number
- This document specifies a method for the determination of the KOH number of natural rubber latex concentrate which is preserved wholly or in part with ammonia.The method is applicable to...
D3184 Standard Practice for Rubber#x2014;Evaluation of NR (Natural Rubber) has been reapproved, available as D3184-11(2018)
- Significance and Use 3.1 This practice is mainly intended for referee purposes but may be used for quality control of rubber production. It may also be used in research...
ISO 2004:2017 - Natural rubber latex concentrate -- Centrifuged or creamed, ammonia-preserved types -- Specifications
- ISO 2004:2017 gives specifications for natural rubber latex concentrate types which are preserved wholly or in part with ammonia and which have been produced by centrifuging or creaming.