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NZ-03 is a multi-polymer composed of alkane sulfonate, alkyl ester, crosslinking agent. It forms nano-solid sealing material through special technology. The special functional groups on the molecular chain has strong adsorption ability, and strong adhesion properties. NZ-03 reduces pore-pressure transmission by sealing pore throats and micro-fractures due to reasonable size distribution of NZ-03 in muds. It can be used in various water-base drilling fluids. Its recommend dosage is 1.0 – 3.0% (v/v).
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Shearing is a common cutting method for silicon steel sheets. Silicon steel is sheared with a carbide blade, which can cut the required size and shape. Shear method on the thermal impact of silicon steel core is small, the kerf is smoother, but the shear force is more damage, easy to produce deformation and burr. Therefore, the shear method is suitable for cutting smaller lamination, the requirement of surface flatness is not too high occasions.
Our company has introduced advanced oblique cut equipment, which is able to cut large silicon steel core to meet more needs of customers.
