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United statesWest conshohockenInternational conshohockenUniversity of nottinghamManufacturing implicationTest methodCharacterizing tackPrepregs usingContinuous application and peel procedureExperimental determinationPrepreg tackDynamic stiffnessUnidirectional prepreg tape employingContinuous application and peel test method

DataPhysics Instruments GmbH || Download || Applikationsbericht [EN]: Measuring interfacial tension of insulating liquids according to ASTM D971

Monitoring the degradation of insulating oil at an early stage is integral for detecting incipient faults within a transformer and avoiding failures. The ASTM D971: "Standard Test Method for Interfacial Tension of Insulating Liquids Against Water by the Ring Method" is a widely used standard to examine the quality of insulating oil. In the following, the application of the ASTM D971 will be presented using a tensiometer of the DCAT-series from DataPhysics Instruments.

Test methodInterfacial tensionInsulating liquids against water

Developing Standardized Testing for Trivalent Chromium Thickness: A Progress Report

Developing Standardized Testing for Trivalent Chromium Thickness: A Progress Report
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China s Safety and Technical Standard for Cosmetics 2022 (STSC 2022)

China National Institutes for Food and Drug Control is inviting public submissions regarding the draft of the Safety and Technical Standard for Cosmetics 2022 (STSC 2022). STSC 2022 inherits the basic framework of STSC 2015 but overhauls the original content, which includes revising the content that is not suitable for the current supervision practice, incorporating the previous revisions for STSC 2015, as well as standardizing and improving some terms and expressions. On March 31, 2022,.

China national institutes for foodChina national institutesDrug controlTechnical standardRevision explanationRevision comparison tableTechnical standardsCosmetics hygiene supervision regulationsRestricted ingredients usedIngredients usedEthyl lauroyl arginateRhois gallnutChemical testChinese pharmacopoeiaThermotolerant coliform bacteria testStaphylococcus aureus test

DataPhysics Instruments GmbH || Download || Applikationsbericht: Measuring the water contact angle on surface-treated polymer films according to ASTM D5946 / ISO 15989

Surface treatments are an effective way to overcome adhesion problems in chemically inert and non-porous surfaces with low surface energy. They are of great importance in many fields, such as the coating, printing, and varnishing industries. Generally, stronger treatment leads to better wettability and adhesion characteristics of the treated surfaces. The ASTM D5946 [1]: "Standard Test Method for Corona-Treated Polymer Films Using Water Contact Angle Measurements" is a widely used method to determine the effectiveness of different surface treatments. In&#x

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