FAQ

Zhongshan Yongyichang Electronics Co., Ltd. has been focusing on the R&D, production and sales of silicon (silicon) rubber products for 20 years. Customers are welcome to inquire and order.

Silicone medical and baby products, rubber products manufacturers

FAQ

Zhongshan Yongyichang Electronics Co., Ltd. has been focusing on the R&D, production and sales of silicon (silicon) rubber products for 20 years. Customers are welcome to inquire and order.

Polyurethane seals to avoid the method of bonding lines, silicone sealing ring, silicone shielding sealing ring

How to avoid bond lines in polyurethane seals

Date:2022-03-20Views:81Tags:Silicone medical and baby products, rubber products manufacturers

Polyurethane seals are made of polyurethane materials, and some products are obtained according to the application of this raw material, so this product is called polyurethane seals. So, now that the polyurethane seal is mentioned, and it is also a website product and keyword, it is possible to carry out the understanding and control of the polyurethane seal, so that everyone can use it properly and have a reasonable arrangement, and then fully Playing polyurethane seals should be effective and useful.

In the production process of polyurethane seals, if manual pouring is used, then there must be relative raw materials and props. Moreover, the polyurethane seals are specifically, because in terms of material, there must be polyurethane insulation to form raw materials and materials. The release agent used for mold release, in addition to this, must have some tint. On special tools, polyurethane seals need mixing cups and electric heating equipment, as well as scales for metrological verification, generally electronic scales.

On the mold shell used for polyurethane seals, the materials that can be used for polyurethane seals are generally speaking, no matter what kind of material, polyurethane seals can be applied to the same stainless steel sheet as plastic molds, such as 718, P20, etc. kind. Therefore, at this point, everyone has to do it right and keep it in mind, so that polyurethane seals can prevent mistakes in real work.

In the polyurethane seals, there are different polyurethane materials, because there are many types of polyurethane seals, such as hard polyurethane materials, soft plastic polyurethane materials, in addition, there will continue to be polyurethane Some types of seals it. The difference between hard and soft polyurethane materials lies in the structure and characteristics of raw materials. The former is for the inner muscle structure, and the latter is for the perforation structure. The fusion line of polyurethane seals will have adverse effects. For example, polyurethane seals harm the appearance and compressive strength of products, while the factors that cause polyurethane seals are the flow properties and fluidity of raw materials. . In order to prevent the fusion line of polyurethane seals, the polyurethane seals should effectively define the location and total number of glue inlets, as well as the raw materials and mold temperature. Polyurethane seals can achieve this purpose.


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