How to implement the rubber sealing strip standard?

2022-09-13 14:28:35 Tongxiang Zhouquan Zhenqiang Plastic Ware Co.,Ltd Viewd 1758

The installation quality of the rubber sealing strip is not only related to the appearance of the overall working condition, but also affects the construction quality of the overall sealing. Therefore, in order to ensure product quality, the project party will strictly follow the acceptance standards for rubber sealing strips, so how should the rubber sealing strip standards be implemented, and what are the specific standards for this set of rubber sealing strips?

rubber sealing strip

1. Vulcanization classification standard of rubber sealing strip

The vulcanization method can be divided into intermittent vulcanization, discontinuous vulcanization and continuous vulcanization. Intermittent vulcanization: cut the rubber strip according to a certain length, put the incision into the vulcanization tank for vulcanization, and then place it for heating to make the rubber products. Vulcanized setting. In discontinuous vulcanization, the standard for rubber sealing strips is that the finished product should be soft and not too hard, and the surface should be flat and smooth. Continuous vulcanization: The basic requirements of continuous vulcanization are similar to those of discontinuous vulcanization, the only difference is that the production process is not cut into sections, but continuous, and the fixed number of meters is generally more than 100 meters. During continuous vulcanization, the rubber sealing strip should be soft, not too hard on the flat surface, flat and smooth, and there should be no crack marks.

rubber foam seal

2. Standard material classification of rubber sealing strip

The basic materials of rubber sealing strips are divided into three types: solid rubber, sponge rubber and hard dense rubber. These three types of rubber sealing strips are all high-quality or inferior, and they are easy to cause material loss in the production process. In the production process of rubber, there will also be inferior rubber seals. Therefore, in the material classification, not only the quality of the material should be used as the standard of the rubber seal, but also the finished rubber seal should be reviewed.

3. Inspection standard of rubber sealing strip

The rubber sealing strip has the advantages of strong corrosion resistance, high strength, large deformation, clear appearance, no cracks, bends and pits. What aspects should be checked for the standard quality of the rubber sealing strip? The observation port can be opened at one end of the rubber sealing strip, which is dense and free of air holes, such as the following three relatively simple inspection methods.

1). Check whether the appearance of the rubber sealing strip is cracked and whether the surface is smooth.

2). Or cut a small piece of rubber sealing strip, put it into a semi-exposed and half-water container, and observe the expansion rate of the rubber sealing strip.

3). After expansion, the rubber sealing strip becomes a soft spongy body, and it is observed whether the rubber sealing strip has cracks when exposed to water.

4. the characteristics of rubber sealing strip

1). The product is non-toxic, environmentally friendly, anti-aging, excellent in high temperature and low temperature chemical resistance, good elasticity and compression deformation resistance, and will not crack or deform after long-term use. It can maintain its original state between -50 degrees and 120 degrees, and has high sealing performance. It has been widely used in automobiles, doors and windows, machinery, electronics, electrical cabinets and other manufacturing industries.

2). For products with different shapes, different materials or with cold resistance, heat resistance, foamability and special performance requirements, they can meet the needs of design and use.