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The CHEMTRONICS CW7400 is a conductive pen designed for cleaning and lubricating gold contacts and extending the service life of noble metal contact surfaces. It delivers a liquid conductive compound in a precise pen applicator format, making it well suited for targeted application on small or densely packed contact points. The pen holds 8.5 grams (0.30 oz net fill) of a flammable liquid formulation with a flash point of 71.40 degrees F (21.90 degrees C). The formula is certified RoHS compliant and rated safe for most plastics, reducing the risk of surface damage during application. It is used by electronics technicians, HVAC service techs, and electrical professionals who perform contact-level repairs and maintenance on control boards, connectors, and switching contacts.
The CW7400 is appropriate for residential and light commercial service work where gold or noble metal contacts require cleaning or conductivity restoration. Common applications include relay contacts, connector pins, rotary switches, and PCB edge connectors found in HVAC control systems, electrical panels, and low-voltage control circuits. The pen format allows for single-hand application without the mess associated with bulk contact fluids, making it practical for field service work. The formulation is listed as IPC-7711 certified, aligning with industry standards for electronic rework and repair.
Designed for use on gold contacts and noble metal contact surfaces in electronic assemblies, control boards, connectors, and switching devices where a precise liquid conductive treatment is required.
Application should be performed by a qualified electronics or electrical technician. Always de-energize the circuit and allow capacitors to discharge fully before applying any contact treatment to a live assembly. The formulation is flammable with a flash point of 71.40 degrees F — keep away from open flames, sparks, and heat sources during use and drying. Allow the applied compound to dry completely before restoring power to the circuit.
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