Otros

Otros

ISO 489:2022 - Plastics — Determination of refractive index
- This document specifies two test methods for determining the refractive index of plastics, namely:—    Method A: a refractometric method for measuring the refractive index of...
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...
D2240 Standard Test Method for Rubber Propertyâ??Durometer Hardness has been reapproved, available as D2240-15(2021)
- Significance and Use 4.1 This test method is based on the penetration of a specific type of indentor when forced into the material under specified conditions. The indentation...
D4475 Standard Test Method for Apparent Horizontal Shear Strength of Pultruded Reinforced Plastic Rods By the Short-Beam Method has been revised to D4475-21
- Significance and Use 5.1 Apparent shear strength determined by this test method is useful for quality control and specification purposes. It is also applicable to research and...
ISO 19749:2021 - Nanotechnologies — Measurements of particle size and shape distributions by scanning electron microscopy
01/07/2021 - This document specifies methods of determining nanoparticle size and shape distributions by acquiring and evaluating scanning electron microscope images and by obtaining and reporting accurate...
ISO 8130-3:2021 - Coating powders — Part 3: Determination of density by liquid displacement pycnometer
01/06/2021 - This document specifies a liquid displacement pycnometer method for the determination of the density of coating powders. The method is based on a determination of the mass and the volume of a...
ISO 23673:2021 - Plastics — Elasticity index — Determination of elastic property of melts
01/05/2021 - This document specifies a procedure for the determination of an elasticity index based on measurements of the shear storage modulus using oscillatory rheometers, establishes general principles,...
ISO 11443:2021 - Plastics — Determination of the fluidity of plastics using capillary and slit-die rheometers
01/02/2021 - This document specifies methods for determining the fluidity of plastics melts subjected to shear stresses at rates and temperatures approximating to those arising in plastics processing....
D2396 Standard Test Methods for Powder-Mix Time of Poly(Vinyl Chloride) (PVC) Resins Using a Torque Rheometer has been revised to D2396-20
- Significance and Use 5.1 The ability of PVC granules to accept a plasticizer and become a dry free-flowing powder is related to the internal pore structure of the resin, resin...
ISO 4658:2020 - Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure
01/08/2020 - This document specifies, for acrylonitrile-butadiene rubbers (NBRs):— physical and chemical tests on raw rubbers;— standard materials, a standard test...
ISO 22768:2020 - Raw rubber and rubber latex — Determination of the glass transition temperature by differential scanning calorimetry (DSC)
01/07/2020 - This document specifies a method using a differential scanning calorimeter to determine the glass transition temperature of raw rubber and rubber latex.
ISO 10119:2020 - Carbon fibre — Determination of density
01/06/2020 - This document specifies four methods for the determination of the density of carbon fibre tested as a yarn:— method A: liquid-displacement method;— method B:...
D3795 Standard Test Method for Thermal Flow, Cure, and Behavior Properties of Pourable Thermosetting Materials by Torque Rheometer has been revised to D3795-20
- Significance and Use 5.1 The continuous recording of torque and temperature while going through these various stages can be used to predict the behavior of the material...
D7745 Standard Practice for Testing Pultruded Composites has been revised to D7745-19
- Significance and Use 4.1 This practice is intended to aid in the selection of test protocols for reinforced pultruded composites. 4.2 This practice is...
F897 Standard Test Method for Measuring Fretting Corrosion of Osteosynthesis Plates and Screws has been revised to F897-19
- Significance and Use 4.1 It is well known from examination of implants after use that plates and screws used for osteosynthesis are subjected to metal loss due to...
D6204 Standard Test Method for Rubber#x2014;Measurement of Unvulcanized Rheological Properties Using Rotorless Shear Rheometers has been revised to D6204-19a
- Significance and Use 5.1 This test method is used to measure viscoelastic properties of raw rubber as well as unvulcanized rubber compounds. These viscoelastic properties...
D8059 Standard Test Method for Rubber Compounds - Measurement of Unvulcanized Dynamic Strain Softening (Payne Effect) Using Sealed Cavity Rotorless Shear Rheometers has been revised to D8059-19
- Significance and Use   5.1 This test method is used to measure viscoelastic properties through the strain softening effects of a strain amplitude...