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242 results about "Cleanability" patented technology

Cleanability is a term used in clean productions (e.g. to assess the cleanability of technical surfaces). In order to ensure optimum cleanability of the surfaces of machines and equipment, they must fulfil certain requirements. Where surfaces come into contact with media, no deposits may be formed which could impair product quality. Therefore, the surface roughness of such areas should be below 0.8 µm (see EHEDG doc. 8). If the degree of roughness is exceeded, resistances may develop during disinfection processes. These occur when microorganisms only come into contact with disinfectants but are not killed by them. When ascertaining the cleanability of a surface with regard to particles, the analysis can be carried out in correlation with the surface cleanliness classes described in VDI 2083 Part 9.1. Surface roughness can be measured, for example, using profile methods (DIN EN ISO 11562) or AFM (atomic force microscope). However, no norm is currently in existence which describes a standardised AFM procedure.

Total synthesis metal cutting solution and preparation method thereof

The invention discloses a total synthesis metal cutting solution comprising the following components by weight percent: 0.5-1% of pH regulator, 10-20% of antirust agent, 10-15% of mixed hydramine, 5-8% of lubricating agent, 0.1-0.3% of copper alloy corrosion inhibitor, 1-2% of sterilizing agent, 0.1-0.2% of defoaming agent, 0-0.5% of EDTA-4 sodium and the balance of water. The invention provides a preparation method of the total synthesis metal cutting solution. The total synthesis metal cutting solution is good in lubricating performance, and the use effect is superior to that of emulsification solution. By utilizing the total synthesis metal cutting solution, surface smoothness of a workpiece can be improved, a grinding wheel can not be sticked, and abrasion of the grinding wheel is reduced. The total synthesis metal cutting solution has a good sedimentation effect and is less in bubbles, long in service life and excellent in anti-rust property, cooling property, permeability and cleanability. By utilizing the total synthesis metal cutting solution, the service life of the grinding wheel can be effectively prolonged. The total synthesis metal cutting solution is suitable for materials, such as bearing steel, carbon steel and the like, the solution is colorless and transparent, and surface processing conditions are easy to observe. Meanwhile, the total synthesis metal cutting solution does not contain toxic and harmful substances, such as sodium nitrite, phenols and the like and is harmless to environment and operator health.
Owner:JIANGSU XINLU NEW MATERIALS CO LTD
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