AATCC 35-2006 Water Resistance:Rain Test 热度: AATCC 127-2003 静水压法 热度: AA-0136 -Testing of resistance to pressure water jetting(2010-01) 热度: AATCCTestMethod127-2014 WaterResistance:HydrostaticPressureTest Developedin1968byAATCCCommit-eeRA63;reaffirmed1971(1974)1977, ...
4. Manually operated valve control, double gauge memory type pressure gauge displays pressure, wherein the red needle can be fixed at the maximum pressure value, and manually return to zero after the recording is completed;5.Typical test procedure:Constant...
(If a leakage test with nitrogen has been performed, skip this step.) Raise the water pressure in the chilled water pipe to 0.8 MPa. If no leakage occurs after 30 minutes, retain the pressure for 24 hours. The expected result is that the pressure drop is less than 0.01 MPa and the p...
hello, i'm newbie in here i want to know how long the time needed for water filling, hydrostatic test, and pneumatic water test for Ammonia Tank with capacity 2
A procedure for preparing a Pressure Sensitive Adhesive, water-basedProcess to form a Polymer Latex adhesive. Comprising: (a) adjust the mix monomera Emulsion (a), (b) and (c) At pH 6 and F; (b) Polymerized in emulsion polymerization adjusted with an agent selected among hydroxides and ...
This procedure of emulsification/demulsification was repeated five times and the ability to break the newly formed emulsion through switching its pH, in addition to the long-term stability of the reformed emulsion after each cycle, were monitored. 3. Results and discussion One of the key factors ...
Media coverage generates reputational pressure to a certain extent, forcing firms to fulfill their environmental responsibilities. Thus, external monitoring plays a leading role in environmental governance, with the public monitoring pollutant emissions and the government compensating for market "failures" ...
a对测试工序进行调整,将原先的保压测试时间由原先的10S改为15S,测试时,内腔要无水灌入,避免测试时效果失真; Carries on the adjustment to the test working procedure, original will guarantee presses the test time when will change 15S by original 10S, the test, the cavity must anhydrous pour into, ...
pressure in the chamber was increased by opening the gas valve. As the pressure in the chamber was increased by a handheld magnifying glass, the cut end of the leaf lamina remaining outside the device was carefully observed. This procedure was repeated for other samples and the mean LWP was...
Figure 4-6 Leakage test with nitrogen Then, check that the pressure reading on the pressure gauge remains unchanged. Follow-up Procedure If the pressure decreases, apply soapy water on the pipes, especially pipe joints to check for any leakage. If the pressure preservation is good, wrap all ...