Knowledge

6. Host hand position ① Before starting the main engine, start the temperature control system and open the required wind, electricity, water and steam valves. ② Check the upper bol

4. Glue preparation process ① To understand the various kinds of rubber used, can identify different grades of natural rubber, butadiene rubber, styrene butadiene rubber, isoamyl r

3. Batching process: ① Raw materials into the workshop should have the name, batch, date, weight, check whether there is a certificate, a certificate. Technically allowed to use ra

1.Glue baking process: ① Baking process conditions: hot air temperature of the baking room: 65±5℃ in winter, 55±5℃ in summer. Natural glue: November - April drying ti

5. Vulcanizing agent Function: The rubber compound is crosslinked by the linear structure of the rubber compound to form a space network structure of vulcanized rubber, to improve

1. Raw glue The main material of rubber production. According to the different sources, it includes natural rubber (NR), synthetic rubber (SR) and recycled rubber. 1.1 NR: It is ma

3. TBzTD This item was developed to replace Thiuram promoters such as TMTD, mainly because Thiuram promoters tend to produce nitrosamines, while TBzTD was developed as a safe secon

2. TBSI TBSI is a slow after-effect vulcanization accelerator, which can be used for sulfur vulcanization elastomers. It is a vulcanization accelerator derived from primary amine,

The application of accelerators in tires is mainly reflected in improving the vulcanization efficiency of rubber and improving the performance of tires. In addition, the accelerato

11. Brittleness temperature and glass transition temperature This is a quality index to determine the cold resistance of rubber. Rubber will begin to harden below zero degrees Cels

6. Shore hardness Hardness refers to the ability of rubber to resist external pressure intrusion, which is used to indicate the hardness of rubber. There are many ways to determine

1. Tensile strength It is also known as tearing strength or tensile strength, refers to the force required by the unit area when the rubber is torn, expressed in MPa. The tear stre