Chemtronics Inc.

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Cotronics Corporation

🇺🇸 United States

1971

11-50 people

Manufacturer/Service Company

Established brand

Product customization

ODM manufacturer

Shipments

222

Key customer

CARRIER

Key market

🇮🇳 India

Description

Cotronics Corporation, established in 1971, is a Brooklyn, US-based manufacturer and contract manufacturer specializing in high-temperature materials and adhesives. With over 50 years of experience, the company operates a state-of-the-art manufacturing facility and employs 11 to 50 people, generating annual sales between $5 million and $9.9 million. Cotronics is ISO 9001:2015 certified and holds additional certifications including Berry Amendment Compliance, Military Specification Mil-I-45208, OSHA, and U.S. Coast Guard. They are recognized as a premier epoxy manufacturer and a leader in ceramic insulation solutions, offering both custom formulations and off-the-shelf products. Their comprehensive product portfolio includes high-temperature epoxy adhesives, ceramic adhesives, castable ceramic materials (Alumina, Zirconia, Silica, Silicon Carbide), flexible ceramics (blankets, tapes, boards, papers, sleeving), and repair materials. These products, including branded lines like Duralco™, EPOX-EEZ™, and Resbond™, are engineered for demanding electrical, structural, and industrial applications, with capabilities to withstand temperatures up to 4000°F. Cotronics serves a wide range of industries including aerospace, automotive, chemical processing, electrical, instrumentation, manufacturing, and semi-conductor, providing solutions for bonding, encapsulating, potting, sealing, and thermal management.

Duralco 4538N Super Flexible Epoxy

Resbond 940 Customizable Ceramic Adhesives

Duralco 6105SP Stainless Steel Paint

Liquid Metals that Bond, Repair and Rebuild

Bond-IT 7050 Activated Epoxies

Resbond 907GF Adhesive and Sealant

Resbond 940LE Fast Set, Low Expansion Adhesive

Chemdex Co, Limited

🇨🇳 China

2013

5-10 people

Manufacturer/Trading Company

OEM manufacturer

Key customer

BELTON

Key market

Asia

Description

Chemdex Co., Limited, based in Zhuhai, China, is a manufacturer and trading company specializing in cleanroom ESD consumables, static control products, office equipment printing, and medical consumables. Established in 2013, the company operates three factories in Shenzhen, Dongguan, and Fujian province, employing 5-10 people with annual sales between $500,000 and $1,000,000. Chemdex offers a comprehensive range of products including various cleanroom swabs (foam, polyester, microfiber, cotton, flocked, medical CHG foam), cleanroom wipes, gel sticks, and disposable gloves. They also provide specialized cleaning cards and kits for ATMs, card readers, bill acceptors, check scanners, currency counters, and card printers from brands like Datacard, Evolis, Fargo, Magicard, and Zebra. Additionally, the company manufactures COVID-19 Antigen Test Kits and baby diapers. Chemdex holds ISO 9001 and ISO 14001 certifications and offers OEM and contract manufacturing services. With a strong focus on quality, they utilize advanced testing equipment for NVR, ion contamination, absorbency, particle count, and extractables. The company serves diverse industries including electronics, semiconductors, hard disk drives, optics-electronics, touch panel, TFT-LCD, IC, SMT, PCB, financial, office equipment, medical, pharmaceutical, food processing, and biotech sectors, exporting 90%-100% of its products worldwide to clients such as Seagate, Belton, Hitachi, Foxconn, Sony, Sharp, IDP, Maticard, Evolis, and Zebra.