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ASTM designation ISO designation PSTC method AFERA method D3121 Standard test method for tack of pressure-sensitive adhesives by rolling ball PSTC-6 D3330 Standard Test Method for Peel Adhesion of Pressure-Sensitive Tape EN 1939 PSTC-101 AFERA 5001 D3654 Standard Test Methods for Shear Adhesion of Pressure-Sensitive Tapes EN 1943 PSTC-107
A typical PSA tape consists of a pressure-sensitive adhesive (the sticky part of the tape) coated to a backing material. To prevent the adhesive from sticking to the backing when wound in a roll, a release agent is applied to the backing or a release liner is placed on the adhesive.
The federal standard for LA abrasion testing was formally adopted by the ASTM in 1937. [10] Decades later, field studies found that the LA test results do not always correlate with reality, thus engineers outside of the United States developed different national standards like the French wet micro-Deval procedure or the British Standard 812.
More than two dozen House Republicans are asking President-elect Donald Trump to terminate the Internal Revenue Service's free direct tax-filing system as soon as day one of his presidency.
The outgoing head of Ohio's troubled teachers retirement system said that she is leaving the fund in strong fiscal condition, despite the turmoil at the top that her successor will inherit. In a ...
AQABA, Jordan (Reuters) -The United States is working to bring home an American citizen found on Thursday in Syria, U.S. Secretary of State Antony Blinken said in Jordan, where he held meetings to ...
The kauri-butanol value ("Kb value") is an international, standardized measure of solvent power for a hydrocarbon solvent, and is governed by an ASTM standardized test, ASTM D1133. [1] The result of this test is a scaleless index, usually referred to as the "Kb value".
The compression set (ASTM D395) of a material is the permanent deformation remaining after compressing it. [1] In specific methods, temperatures and percent compression are specified. The term is normally applied to soft materials such as elastomers and foams. Compression is normally measured in two ways: compression set A and compression set B ...
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