The short version. Methylene chloride is banned, and there’s no single drop-in for the bulk, non-flammable contact cements it used to make possible. Chem-Set covers both paths: CMT3079AA and CMT3079 for non-flammable canister spraying (CMT3079AA adds air-assist for fine, even coats on foam), and CMT2540, CMT2464, and CMT307 for bulk drum handling where flammable storage Read more…
KEEP-NUT® by Specialinsert is a revolutionary press-in anchor insert used for several countertop fabrication applications, including undermount sink installation and cladding. These small inserts are designed to be used on a wide range of surfaces, including natural stone, sintered stone and solid surface materials. Shop KEEP-NUT® at Chemical Concepts Available in the US only from Read more…
Stone Seam is a revolutionary new knife grade seaming adhesive system that offers simple, reliable, and repeatable color matches due to its 30 premixed color pigments in measured dosing pumps. With its simplified process and forgiving ratios, Stone Seam eliminates redundant adhesives in shops and is ideal for bonding quartz, granite, marble, porcelain, and ceramics. Read more…
Craig Zelle Retires After 50 Years With Chemical Concepts Chemical Concepts is celebrating an extraordinary milestone as Craig Zelle retires after 50 years with the company. Craig officially retired on July 31, closing a remarkable five-decade career with Chemical Concepts. During that time, Craig contributed to nearly every chapter of the company’s growth. He built Read more…
Non-Slip Treads Are the Perfect Solution for Pools & Spas Slip prevention does not have to be expensive. With H2O Glue, pools and spas can get effective slip-prevention solutions that stick, all without draining the pool. Solve your slipping problem for less than $100 with grippy, underwater treads and specialized adhesives that work effectively underwater Read more…
Chemical Concepts has a multitude of adhesives, tapes and mounting solutions perfect for any and all elevator applications — in stock and ready to ship. In an industry that demands complete safety as well as clean lines and seamless solutions, high-strength adhesives and hidden fasteners are the answer. Elevator Industry Product Categories Mounting Solutions Our Read more…
The EPA’s ban on methylene chloride (MC), also known as dichloromethane (DCM), is no longer a future regulatory change—it’s here. One of the biggest misconceptions we continue to hear is that businesses can still purchase or continue using methylene chloride-based adhesives. In reality, the regulatory landscape has changed significantly. Most methylene chloride-based adhesives can no Read more…
Selecting the right plastic welding rod is one of the most important decisions you can make during a repair or fabrication project. While polypropylene (PP) and polyethylene (PE) are both thermoplastics and may appear similar, they behave differently during welding. Choosing the wrong material can produce a weld that looks acceptable initially but ultimately cracks, Read more…
Bonding plastic can seem straightforward until a joint fails under heat, vibration, moisture, impact, or everyday use. In many cases, the problem is not the adhesive itself—it is selecting a product that does not match the plastic, the service environment, or the performance requirements. There is no universal adhesive that works equally well for every Read more…
Memorial Day is a time to pause, reflect, and honor the men and women who served with courage, sacrifice, and dedication. For Chemical Concepts, this remembrance is also personal. The values that shaped Chemical Concepts began long before the company itself — rooted in the life and service of our founder, C. Kenneth Zelle. At Read more…
Understanding Integra® Horizon™ Methacrylate Adhesive for Indoor and Outdoor Fabrication Surface fabricators and installers are being asked to do more than ever before. Materials continue to evolve, projects increasingly move outdoors, and expectations for durability, aesthetics, and consistency remain high. At the same time, environmental conditions, from temperature swings to UV exposure, introduce variables that Read more…
Huntingdon Valley, PA, February 11, 2026 — Chemical Concepts has acquired Perigee Direct, a Texas-based supplier of specialty consumables for science and industrial customers, significantly expanding its product portfolio, e-commerce capabilities, and distribution footprint. The acquisition strengthens Chemical Concepts’ leadership in adhesives and specialty chemicals while adding new product categories such as plastic welding equipment, Read more…
Ultralok 9102 epoxy adhesive is engineered for strong, reliable honeycomb and composite panel bonding with fire safety and thermal resistance.
Cut and drill like wood. Support like steel. Replace heavy, expensive custom metal fabrication with aerospace-grade carbon fiber structural blanks.
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