Products and Services
Water sealanting products
Fireshut® Thermal Expansion Composite Products
Press- molded Products
Rubber sponge products for civil engineering and construction
Rubber products for civil engineering and construction
Press- molded Products
Characteristics of various rubbers
Chemical resistance of various rubbers
Compound、Civil engineering、Water sealant products、Civil engineering and construction material products｜Company information
> Company information
1. Contribute to society through business activities.
2. Endeavor to improve personal and corporate dignity.
3. Work to create a positive and energetic company.
1. We will provide satisfying products to achieve prosperity together with customers.
2. We will set quality targets and work to meet them. We will also review these targets and improve them as needed.
3. We will continuously improve product design and manufacturing processes in compliance with laws and ordinances and in consideration of quality, environment and safety.
Denka Elastlution Co., Ltd.
August 8, 1963
Hideaki Nagasaka, President and Executive Officer
Location (Head Office and Factory)
306 Koyagi-machi, Takasaki-shi, Gunma Prefecture 370-0071 Japan →
30 million yen
1,000 million yen
Manufacturing, processing and sales of industrial rubber products
Manufacturing Dep., Technical Development Dep.,
Sales Dep. and General Affairs Dep.
The Gunma Bank, Ltd. Takasaki Branch and Mizuho Bank, Ltd. Takasaki Branch
Denki Kagaku Kogyo Kabushiki Kaisha (currently, Denka Co., Ltd.) co-founds the company with local capital in the city of Takasaki under the name of Chloroprene Kogyo, with capital of 10 million yen.
The first plant for kneading black compounds is completed and begins the manufacture and sale of compounds.
The second plant for press molded products is completed.
The third plant for extrusion formed products is completed. The company increases its capital to 15 million yen.
The fourth plant for kneading white compounds and colored products is completed.
The company changes its name to CRK Co., Ltd. and increases its capital to 30 million yen.
The company expands its first and fourth plants.
The sixth plant for refining and specialty products is completed.
The seventh plant for flexible joints and special fillers is completed.
The eighth plant for fire resistant rubber products is completed.
The new office is completed.
The company wins a Gunma Technology Award from the Gunma Prefectural Government for its thermal expansion rubber products.
The company obtains ISO 9001 certification.
The company introduces automatic measuring equipment to the kneading process. The company celebrates the 50th anniversary of its foundation.
The company becomes a wholly owned subsidiary of Denka Co., Ltd.
The company changes its name to Denka Elastlution Co., Ltd.
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