Amajoyinti ajikelezayo ohlobo lwe-Q asebenza kahle kakhulu anokuvalwa okuyisiyingi ukuze kugxilwe/kuncishiswe ngokuzenzakalela. Aphatha amanzi ashisayo/umphunga ofinyelela ku-2.0 MPa, 180°C. Umklamo ophansi wokunakekelwa nokuqina wokujikeleza okuqhubekayo ezinhlelweni zezimboni.