Iota Silicone Oil (Anhui) Co., Ltd
When the vulcanizate is subjected to alternating stress, the phenomenon that the structure and properties of the material change is called fatigue. With the progress of fatigue, the phen......
2020-03-17The abrasion resistance is characterized by the ability of the vulcanizate to resist material loss due to surface damage under the action of Mocha force. It is a mechanical property clos......
2020-03-17Constant elongation stress and hardness are important indicators of the stiffness of rubber materials. They are the force required to produce a certain amount of vulcanizate. It is relat......
2020-03-17The tearing of rubber is caused by cracks or cracks in the material that rapidly expand and crack when subjected to force, leading to damage. A: There is no direct relationship between ......
2020-03-17It is one of the important indicators of rubber products. The life of many rubber products is directly related to tensile strength. For example, the durability of the rubber cover of the......
2020-03-174. Look at the air bubbles: The main component of high-quality silicone sealant is silicone. The amount of other added materials is very small. The good stability of pure silicone is minimally affecte......
2020-03-141. Appearance: glue on blank paper, fold the glue in half, and observe whether the glue is fine and uniform, with or without mechanical impurities, air bubbles, etc. High-quality glue is generally uni......
2020-03-14The processing process, equipment and processing methods of fluororubber are the same as those of general rubber. Due to its structural characteristics, its processing performance is poor, which is br......
2020-03-14A fluorine rubber formula is generally composed of raw rubber, acid absorbent, vulcanizing agent, accelerator, reinforcing filler, processing aid and so on. (1) Raw rubber The performance of domesti......
2020-03-14(1) Mechanical properties under normal conditions The general blending strength of 26-type fluorine rubber is 10-20Mpa; the elongation is 150-300%; the tear strength is between 20-40KN / m, but its e......
2020-03-14Question 13. A non-EU company purchased some chemicals containing SVHC from European countries, and this company exported products containing these chemicals to Europe. Does it have to apply for SVHC?......
2020-03-13Question 10. What is the difference between registration and filing? What compliance is required for exporters of products to the EU? Answer: Registration in REACH is a more detailed compliance proce......
2020-03-13Question 7. What is the communication responsibility of exporters whose products contain SVHC less than 0.1% wt / wt? Answer: If the exported product contains SVHC less than 0.1% wt / wt, the exporte......
2020-03-13Question 4.How to calculate 0.1% wt / wt? Answer: 0.1% wt / wt is calculated on the basis of percentage. It can be the amount of SVHC existing in the total weight of the product or the amount of SVHC......
2020-03-13Question 1. What is SVHC? Answer: SVHC is a substance of great concern. The European Chemicals Agency ECHA frequently updates the candidate list for SVHC. The SVHC list is updated 2-3 times a year, a......
2020-03-13
