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Compared with traditional defoamers, paper-making defoamers have better sustainability, and can exert excellent defoaming and anti-foaming effects with a very small amount of addition. In addition, the paper-making defoamer significantly reduces the amount of air inflow and the resulting foam, thereby improving the water discharge of the pulp mat. It can quickly eliminate the foam produced by lignin and other surfactants, and has excellent effects in pulping, pulp washing, papermaking and sizing, and it defoams quickly.

Is cosmetic grade antiseptic and antifungal agent really safe and secure? Why do I even dare not use preservative-free skin care products? What is the role of preservatives? The answer is no. The root of this question comes from our misunderstanding of preservatives. If you ask a friend casually what the preservatives in skin care products are used for, you will basically get this answer: prevent skin care products from breaking down. However, the more important role of preservatives is: to prevent fungi and bacteria.

Instantaneous speed water sample According to regulations, sample at a certain moment. It is suitable for wastewater whose composition and concentration value change with time and the wastewater treatment equipment (such as advection sedimentation tank) discharges steadily.

There are many types of antibacterial agents for biological reagents, such as acids, bases and their salts, neutral compounds, mercury compounds, and quaternary amine compounds. Preservatives have a killing effect on microbial propagules, but for spores they can't develop into propagules and gradually die. Different types of preservatives have different mechanisms of action. For example, alcohols can denature pathogenic microorganism proteins; phenylmethylbenzene and parabens can combine with pathogenic microorganism enzyme systems to compete for their coenzymes; cationic surfactants, etc. It is by reducing the surface tension to increase the permeability of the bacterial cell membrane.

Cosmetic manufacturers add preservatives in order to protect the quality of cosmetics and extend their use period.

1. Changes in consumer consumption trends will lead the development of the industry 2. The product structure needs to be adjusted and upgraded

The antifungal agent has a strong inhibitory and killing effect on bacteria, fungi and algae. It is mainly suitable for daily use of antiseptic and mildew, such as cosmetics, detergents, gels, creams, liquid soaps and wet tissues. Anti-mold, usually refers to the dry film state of paint and other products, that is, the film, in order to prevent the growth of mold, an anti-mold effect is required. The anti-mold agent is in the dry film state, mainly targeting mold, killing and inhibiting the growth of mold An additive.

Antifungal agents are chemicals that prevent materials and objects from becoming moldy and deteriorating. Generally speaking, after molds are treated with antifungal agents, many biological characteristics have changed, such as reproduction, spore formation, spore germination, cell mitosis, respiration, and other physiological, biochemical reactions and metabolic activities, etc., will be affected, thereby inhibiting The growth and reproduction of molds will ultimately achieve the purpose of controlling molds.

Corrosion of oil emulsion is one of the most common problems in the use of FDY oil. Compared with imported oil, the corrosion of domestic oil is relatively serious. The problem of oil poisoning has a great impact on production, and it is light to block the pipeline. , resulting in uneven oiling, causing hair, broken ends; heavy to stop production. Especially prominent in the summer, the causes of corruption and solutions: