Materiales

 

Materiales

IEC 62321-11:2023 - Determination of certain substances in electrotechnical products — Part 11: Tris (2-chloroethyl) phosphate (TCEP) in plastics by gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS)
- This part of IEC 62321 specifies two different techniques for the determination of tris(2?chloroethyl) phosphate (TCEP) in plastics, the GC-MS or LC-MS method, both of which are applicable to...
ISO 14900:2023 - Plastics — Polyols for use in the production of polyurethanes — Determination of hydroxyl number
-   This document specifies two methods for the measurement of the hydroxyl number of polyols used as polyurethane raw materials. The hydroxyl content of polyols are...
ISO 8124-6:2023 - Safety of toys — Part 6: Certain phthalate esters
- This document specifies a method standard for the determination of di-iso-butyl phthalate (DIBP), di-n-butyl phthalate (DBP), benzyl-butyl phthalate (BBP), bis-(2-ethylhexyl)...
ISO 10468:2023 - Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the ring creep properties under wet or dry conditions
- This document specifies methods for determining the ring creep properties for glass-reinforced thermosetting plastics (GRP) pipes. Properties include the creep factor and the long-term creep...
ISO 24483:2023 - Epoxidized natural rubber — Specifications
- This document specifies the physical and chemical requirements of epoxidized natural rubber (ENR) based on the epoxidation level of the natural rubber.
ISO 5260:2023 - Epoxidized natural rubber — Determination of epoxidation and ring opening level by NMR spectrometry
- This document specifies a quantitative method, using proton (1H) nuclear magnetic resonance (NMR) spectrometry, for the determination of epoxidation and ring opening level of raw epoxidized...
ISO 8639:2023 - Glass-reinforced thermosetting plastics (GRP) pipes and fittings — Test methods for leaktightness and proof of structural design of flexible joints
- This document specifies test methods for flexible non-thrust resistant socket-and-spigot joints with elastomeric sealing elements for buried and aboveground glass-reinforced thermosetting...
ISO 527-4:2023 - 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 11357-1:2023 - Plastics — Differential scanning calorimetry (DSC) — Part 1: General principles
- IThe ISO 11357 series specifies several differential scanning calorimetry (DSC) methods for the thermal analysis of polymers and polymer blends, such as—    thermoplastics...
ISO 20975-1:2023 - Fibre-reinforced plastic composites — Determination of laminate through-thickness properties — Part 1: Direct tension and compression tests
- This document specifies methods for determining the through-thickness properties (i.e. strength, modulus of elasticity, Poisson’s ratio and strain-to-failure) of fibre-reinforced plastic...
ISO 14899:2022 - Plastics — Polyols for use in the production of polyurethanes — Determination of basicity
- This document specifies a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes. It is important to know the trace...
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 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...
D7133 Standard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids has been revised to D7133-21
- Significance and Use 5.1 CIELAB is a visual-based scale that is used to specify color and set color tolerances for the polyurethane industry. 5.2 Yellowness Index...