Knowledge-Henan Xuannuo Chemical Co., Ltd

03-16
2023

In January 2021, the output of rubber additives was 118,000 tons, a year-on-year increase of 40%, a record high in the same period in the past three years

In January 2021, the total output and sales revenue both exceeded the same period in 2019 and 2020, setting a new high for the same period in the past three years. Coupled with the recent continuous price increases in th

03-16
2023

Statistics at the end of 2020 show that the output of China's rubber additives exceeded 130,000 tons to a new high

According to the China Rubber Industry Association Rubber Additives Committee, in December 2020, the output of rubber additives in member units was 135,000 tons. The domestic market demand has expanded sharply, and the f

03-14
2023

Antioxidant MBZ

Antioxidant MBZ is mainly used for NR, CR, EPR, SBR, NBR, its effect is similar to MB, has the function of decomposing peroxides. Improved the effect of MB on latex instability, prolonged action time.

03-14
2023

Introduction of rubber vulcanization process knowledge

The larger the amount, the faster the vulcanization rate, and the higher the degree of vulcanization that can be achieved. The solubility of sulfur in rubber is limited. Excess sulfur will precipitate from the surface of

03-14
2023

Production and growth of rubber chemicals in China.

According to the development trend of China's automobile and tire industry and other rubber product industries, as well as the control of the new crown epidemic, the Special Committee of Rubber Additives of China Rubber

03-14
2023

The relationship between rubber and industry

The rubber industry has developed along with the automotive industry. The rapid development of the automobile industry and petrochemical industry in the 1960s has greatly improved the production level of the rubber indus

03-03
2023

Analysis of China's Plastic Antioxidant Import and Export Market

The main global antioxidants production company is Ciba Refining. Ciba Refining is currently the world's largest antioxidant manufacturer. It has established wholly-owned or joint-venture antioxidant production plants on

03-03
2023

Rubber aging

Under the repeated action of mechanical stress, the rubber molecular chain will be broken to form free radicals, which will cause an oxidation chain reaction and form a mechanochemical process. Mechanical breaking of mol

03-03
2023

Rubber aging factors

Oxygen undergoes free radical chain reaction with rubber molecules in the rubber, and molecular chains are broken or excessively cross-linked, causing changes in rubber properties. Oxidation is one of the important reaso

02-23
2023

Rubber quality inspection

Samples can be taken from the finished product, soaked in one or more selected media, weighed after a certain temperature time, and the type of material can be inferred based on the rate of change in weight and hardness.