The contradiction between supply and demand of bulk commodities is one of the important factors that caused the increase in bulk commodity prices in the first half of the year.With the reasonable adjustment of policies, the current trend of bulk commodity prices has eased compared with the previous period, and the fundamentals of commodity supply are gradually improving. However, changes in overseas liquidity and other factors still cause certain uncertainty, and the trend of different commodities may tend toDifferentiation.

It is a divinyl-terminated polydimethylsiloxane with stable product quality and low volatile content. It is the main raw material for addition-formed liquid silicone rubber, silicone potting compound, silicone gel, etc., and a modifier for compounding rubber.

Conventional low-viscosity 3-50 viscosity, low-viscosity dimethyl silicone oil is colorless, odorless, non-toxic, physiologically inert, good chemical stability, electrical resistance and weather resistance, and has a wide range of viscosity. Therefore, it is used in various sectors of industrial and agricultural production.Chemical products, defense industry, scientific research, medical and health departments, etc., have been extremely widely used.It is used for insulation, compliance, lubrication, shockproof, dustproof oil, dielectric fluid and heat carrier, and used for electronic potting and various silicone rubbers to adjust product hardness.

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The influence of different content of dimethyl silicone oil on the performance of silicone building sealant has been studied at home and abroad.The results show that appropriate addition of simethicone can increase the elongation of the sealant product, improve its elasticity, and increase its resistance to displacement; however, when the content of simethicone exceeds 20%, the tensile strength of the sealant will gradually appearProblems such as decline, excessive sag and poor adhesion to the substrate.Therefore, it is necessary to reasonably design the amount of simethicone added in the actual use process to ensure the comprehensive performance of the sealant.

Application and characteristics of dimethyl silicone oil in textile industry

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Polydimethylsiloxane is dimethicone. It has lubricating properties, anti-ultraviolet effects in skin care products, good air permeability, and obvious dustproof function. It is also used in cosmetics to replace traditional grease raw materials.This is based on the fact that polydimethylsiloxane has better flexibility. Skin care products are usually used in moisturizing products, and some high-end skin care products are also used.Permeability of polydimethylsiloxane Polydimethylsiloxane has very good permeability to the skin. The smooth and refreshing feeling of skin care products applied to the skin is usually due to the addition of the raw material. The raw material itselfIncreasing the softness of the skin also has a good effect.In hair care shampoo products, it can deepen the color of the hair and help the hair maintain its natural luster. Basically, the raw material can be found in shampoos that can make the hair smooth.

Introduction to the types and classifications of various defoamers, the most commonly used is polydimethylsiloxane, also known as dimethyl silicone oil.It has low surface energy, low surface tension, low solubility in water and general oil, and high activity.