I have briefly summarized the advantages and disadvantages of rubber molding methods, as well as examples of issues related to rubber products.
We are engaged in the development and manufacturing of rubber products that are active in various industries such as automobiles (HV/EV), energy, medical, connectors, and engines. Currently, we are distributing materials that summarize basic knowledge about rubber, methods and advantages/disadvantages of rubber molding, and examples of common issues that may arise when using rubber products. 【Overview of the Materials】 ■ About natural rubber and synthetic rubber ■ Applications of rubber ■ What is synthetic rubber (discussion of composition, etc.) ■ Types of rubber compounding agents ■ Mechanism of rubber molding (cross-linking) ■ Advantages and disadvantages of rubber molding methods (compression molding, transfer molding, injection molding) ■ Examples of rubber product issues (O-rings, outgassing, softening degradation, migration contamination) * The materials can be viewed immediately from the "Download" section. * As sulfur-free becomes a trend, our company has developed an environmentally friendly "low-sulfur grade" rubber that does not use peroxide cross-linking to eliminate the costs and time associated with secondary cross-linking. Please contact us for more details. * We also accept online meetings. If you would like an explanation about rubber or have projects you are considering, please feel free to let us know.
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basic information
[Examples of Our VA Proposals and QCD Effects] ◎ Regarding the content of the drawings that were somewhat over-specified, we inquired about the intended use and proposed several alternative material grades. After evaluation, we requested changes to the drawings, and by adopting the material that offered the best balance of price and performance, we achieved significant cost reductions and received a rationalization award. ◎ In response to market complaints from our customers, we conducted an investigation into a rare case of rubber degradation mode, which we had no prior knowledge of. While performing external tests at an evaluation research institution, we identified the cause and discovered the mechanism. By implementing fundamental countermeasures, we eliminated the risk in the market thereafter. * Our research and countermeasures for a failure case that had not been presented at rubber conferences at the time were recognized.
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Applications/Examples of results
*For more details, please refer to the materials. Feel free to contact us as well.*
Detailed information
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Product image
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Clean room
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Headquarters factory
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Thailand Factory No. 1
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Thailand Second Factory
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Interior of Factory No. 2 in Thailand
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Vietnam factory
catalog（3）
Download All Catalogs![Feel free to consult us about any rubber-related concerns! [Yamato Chemical]](https://image.mono.ipros.com/public/catalog/image/01/b4a/513149/IPROS85047004021139575193.jpeg?w=120&h=170)
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Company information
Daiwa Chemical Co., Ltd. is a company primarily engaged in the manufacturing and sales of rubber and plastic parts. We handle a wide variety of rubber, including synthetic rubber and silicone rubber, which are used in various industries such as automotive parts and medical products. Additionally, we have renovated part of our factory into a clean room (ISO Class 8 compliant / cleanliness: Class 100,000) to enhance our capabilities in providing rubber parts for the medical device sector. We have a proven track record with products such as check valves, rings, and sealing rubber. If you have any inquiries regarding rubber molding, please feel free to consult with us.