We will introduce the advantages and disadvantages of rubber molding methods, as well as examples of troubles related to rubber products. We have received certification as a Health Management Excellent Corporation 2022.
Our company is 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 of rubber molding, their advantages and disadvantages, and examples of common issues that may arise when using rubber products. [Material Overview] ■ About Natural Rubber and Synthetic Rubber ■ Applications of Rubber ■ What is Synthetic Rubber (Composition and other discussions) ■ 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) [Investment in Automation Equipment Including IoT Facilities] As a first step, we are introducing automatic assembly machines and automatic visual inspection machines at our headquarters factory. We aim to further improve efficiency and establish a system that can consistently supply high-quality products at low prices. *The materials can be viewed immediately from the "Download" section. If you would like an explanation about rubber or have any projects under consideration, please feel free to let us know.
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basic information
Amid the trend of sulfur-free products, we have developed an environmentally friendly "sulfur-reduced grade" rubber that does not use peroxide crosslinking to eliminate the costs and time associated with secondary crosslinking. 【Examples of our VA proposals and QCD effects】 ◎ Regarding the specifications that were somewhat over-specified in the drawings, we inquired about the intended use and proposed several alternative material grades. After evaluation, the drawings were modified, 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 that we had no prior knowledge of. While performing external tests at an evaluation research institution, we investigated the cause and discovered the mechanism. By implementing fundamental countermeasures, we eliminated the risk in the market thereafter. *Our research and countermeasures for a defect case that had not been presented at rubber conferences at that time were highly regarded.
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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 Factory No. 2
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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)
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.