2023 Mid-Autumn Festival &National Day holiday schedule
September 29, 2023 (Friday) – October 6, 2023 (Friday)
In case of emergency, please contact Cathy:
008615866671927(wechat/whatsApp)
We all know that packaging materials after printing have different degrees of odor, depending on the composition of the ink and printing method.
First of all, it should be noted that the emphasis is not on what the smell is like, but on how the packaging that is formed after printing affects the ...
Dolomite blocking test is an optional test in Euro EN 149:2001+A1:2009.
The mask is exposed to dolomite dust with the size of 0.7~12μm and the dust concentration is up to 400±100mg/m3. Then the dust is filtered through the mask at the simulated breathing rate of 2 liters per time. The test is con...
MVR (volume method) : Calculate the melt volume flow rate (MVR) with the following formula, in cm3/10min
MVR tref (theta, mnom) = A * * l/t = 427 * l/t
θ is the test temperature, ℃
Mnom is the nominal load, kg
A is the average cross-sectional area of piston and barre...