One depends on whether the paint meets the national mandatory standards and whether there is a China Environmental Label Certification.
Second, we must look at the product quality inspection report, especially the VOC content on the quality inspection report. VOC is an abbreviation for volatile and harmful substances. When the VOC content in the living room reaches a certain concentration, people will feel headache, nausea, vomiting, fatigue and other symptoms. In severe cases, coma will occur, and the liver, kidneys and humans will be harmed. nervous system. In the national standard, the VOC limit is no more than 200 grams per litre, and the better paint is 100 grams per litre. The true environmental protection and health coating is close to zero.
The third is to pay attention to the brand at the time of purchase. It is best to select products produced by well-known large companies. Also observe whether there is rust and leakage at the joints of the iron barrels; pay attention to whether the marks on the iron barrels are complete. Imported products also need to see whether there are Chinese instructions.
Paint coating paint
This micropipette enables true one-handed operation without changing the holding position: adjust volume, Pipette, remove tip.
Regardless of the volume, you can use your pipettes for ergonomic and efficient operation. The operation force is small and the stroke is short, which can easily handle long-term continuous pipetting operations. It is designed with perfect ergonomics for a comfortable grip in any hand position, right or left, large or small.
Even when wearing gloves, the range lock can be easily operated to lock the set range and prevent accidental adjustment errors. For a quick calibration experience, easy-to-calibrate technology makes calibration a snap. Calibration can be done without auxiliary tools. Compatibility tables describe how tips fit into pipettes, making it easy to find the right tip.
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