The hot summer is coming. Image that when you lay down on the sofa, eating fruits and enjoying the air conditioning, suddenly there was a terrible smell. Oh my god, how sick it is. The terrible smell may comes from toilet, floor drain or vegetable washing sink. I’m going to introduce you why there is…
Natural gas becomes more and more popular in nowadays as clean energy as well as for the high cost-effective. In another hand, the increasing use of natural gas requires more transfer pipes. So the security problem becomes more and more important. While the constant appearance of gas accident shock us, we should pay more attention…
Chemical hose is widely used in chemical and oil industry to transfer chemicals, solvents, acid, alkali and other corrosive fluids. There are various of materials for chemical hoselike PVC, PE, PTFE, NBR, EPDM and others. Then what are the differences among them? Let’s talk about it. PVC As one of the most popular materials in…
Rubber joint consists of flange and rubber ball. Both of them are important. For the surface treatment, there are galvanization and painting. Then which on is better? Let’s talk about it. Rubber soft joint is mostly used in the connection of pipes which need noise reduction, shock absorption and displacement absorption. Same as long distance…
We are familiar with vacuum cleaner and most of us may use it. Vacuum leaner consists of soft brush, handle, hose and many others. There are various vacuum cleaner hose. Let me introduce you. EVA Hose EVA hose is a dedicated hose for vacuum cleaner. It’s light in weight, floatable and resistant to crush. Besides,…
In the traditional concept, metal material is solid and durable. Some people even think there will never be problems on metal hose. But the truth is not that. There will be leakage on metal hose and let’s analyze the reasons next. Crack in the weld The flexible bellow section in metal hose is longitudinal seam…
Fresh air system is very important in the decoration of a new house. There are rigid pipe and soft pipe (hose) for the fresh air system. Let’s talk about them. Soft Pipe The common fresh air system hose is also called duct hose or ventilation hose. Normally it’s made from composite. There is a PVC…
It’s not a long time that human use rubber. The demand of rubber is a explosive growth since modern times. Rubber is a very important material in our daily life. Without rubber, we can’t drive our cars, we will be hurt if we fall over on the playground. We even can’t remove the pencil marks…
During the rubber processing, there may many questions appear. Let’s talk about these questions this time. Why we should plasticate rubber The plastication is to cut the big molecular chain shorter with the function of machine, heat and chemical. This will reduce the elasticity briefly and increase the plasticity to meet the technology requirements. The…
In the previous article, we analyzed the reasons cause bubble during vulcanizing. This time let’s learn how to solve such problem. Methods for material 1. Take drying measure after cutting rubber. Strictly control the moisture and volatile matter. Besides, reduce the moisture content in raw rubber. 2. Take anti-moisture measures when store chemicals and…