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 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...
ISO/TS 10986:2021 - Plastics piping systems — Glass-reinforced thermosetting plastics (GRP) pipes — System design of above ground pipe and joint installations without end thrust
01/07/2021 - This document addresses the system design of pipe and joints of above ground installations without end-thrust as specified in systems standard ISO 23856. It is directed to pipelines with a...
D1786 Standard Specification for Toluene Diisocyanate has been revised to D1786-21
- Abstract This specification covers toluene diisocyanate used as an ingredient in the production of polyurethane cellular materials. The three classes of toluene...
D4274 Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols has been revised to D4274-21
- Significance and Use 5.1 These test methods are suitable for research and as quality control and specification tests. It is necessary to know the hydroxyl contents of polyols...
D4671 Standard Test Method for Polyurethane Raw Materials: Determination of Unsaturation of Polyols has been revised to D4671-21
- Significance and Use 5.1 This test method is suitable for quality control, as specification tests, and for research. 5.2 Side reactions that form unsaturated...
D3013 Standard Specification for Epoxy Molding Compounds has been reapproved, available as D3013-13(2021)
- Abstract This specification covers the requirements for epoxy thermosetting molding compounds and provides for their identification, quality control, and purchase. Material...
D1763 Standard Specification for Epoxy Resins has been reapproved, available as D1763-00(2021)
- Abstract This specification covers totally reactive epoxy resins supplied as liquids or solids that can be used for castings, coatings, tooling, potting, adhesives, or...
C1847 Standard Specification for Direct Buried Pre-Insulated and Jacketed Polyurethane Bonded Low Temperature Hot Water Piping Systems is a new standard now available. C1847-21
- 1. Scope 1.1 This specification covers direct buried underground pre-insulated, hot water piping systems with an upper temperature limit of 250 °F (121 °C) used...
Plastics piping systems for pressure and non-pressure water supply, drainage or sewerage - Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin (ISO 23856:2021)
- This document specifies the properties of piping system components made from glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP). It is suited for all types of...
ISO 8130-8:2021 - Coating powders — Part 8: Assessment of the storage stability of thermosetting powders
01/06/2021 - This document establishes a method for the estimation of the storage stability of thermosetting coating powders. It provides the procedures for determining the changes both in the physical...
ISO 8130-6:2021 - Coating powders — Part 6: Determination of gel time of thermosetting coating powders at a given temperature
01/06/2021 - This document specifies a method for determining the time for a thermosetting coating powder to gel at a specified temperature. A method is described for checking batch to batch variation and...