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ASTM D3945-93
Standard Test Methods for Shear Stability of Polymer-Containing Fluids Using a Diesel Injector Nozzle (Withdrawn 1998)
Automaticky preložený názov:
Štandardné testovacie metódy pre strihová stabilita polymérnych -obsahujúce tekutiny pomocou dieselové vstrekovacie trysky ( Withdrawn 1998 )
NORMA vydaná dňa 1.1.1993
Informácie o norme:
Označenie normy: ASTM D3945-93
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.1993
Kód tovaru: NS-25428
Počet strán: 11
Približná hmotnosť: 33 g (0.07 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM D3945-93 :
Keywords:
Diesel injector nozzle method, European diesel injector method, Oils-polymer-containing, Polymer-containing fluids, Shear testing-petroleum products, Stability-shear, Viscometers-Kurt Orbahn, Viscosity-petroleum products, shear stability-polymer-containing fluids, using a diesel injector, nozzle, test, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Doplňujúce informácie
| 1. Scope |
|
1.1 These test methods measure the percent viscosity loss at 100°C of polymer-containing fluids when evaluated by either of two diesel injector apparatus procedures. Procedure A uses European Diesel Injector Test Equipment and Procedure B uses Fuel Injector Shear Stability Test (FISST) equipment. The viscosity loss reflects polymer degradation due to shear at the nozzle. Note 1-ASTM Test Method D2603 has been used for similar evaluation of this property. It has many of the same limitations as indicated in the significance statement. No detailed attempt has been undertaken to correlate the results by the sonic and the diesel injector methods. Equipment and replacement parts are no longer available for Test Method D2603. Note 2-Procedure A of this method uses test apparatus as defined in CEC L-14-A-79, IP 294/76 and DIN 51382. The operational procedure is different on four specific points. Procedure A evaluates hydraulic-type fluids at 30 cycles, with viscosities measured at 100°C. Results are reported for single determinations. No equipment severity correction factor is used to adjust results.1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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