Regardless of how harsh the environment or how extreme the temperatures, we are sure to have a Dow Corning® sealant to meet your needs.

This guide will assist you in selecting the best sealant for your specific application needs. A technical data sheet is available for all products.

Acetoxy

Dow Corning® 730 Solvent Resistant Sealant
• Primary Use – Bonding, sealing and caulking where resistance to fuels, oils and solvents is required.
• Applications – Assembling and repairing fuel lines and tanks; bonding components exposed to fuels, oils, solvents; making formed-in-place gaskets for chemical compressors, fluid-filled distributors and transformers; repairing rubber linings exposed to corrosive conditions; sealing pipe joints on lines carrying corrosive chemicals.

Dow Corning® 732 Multi-Purpose Sealant
• Primary Use – General purpose bonding and sealing; making formed-in-place gaskets.
• Applications – Sealing flashing, vents, flues, gutters, marine cabins and windows, electrical boxes; caulking joints in sheet metal stacks, ductwork; bonding appliance parts, signs and sign letters; Adhering auto trim, appliance trim, name plates; making formed-in-place gaskets for compressors, gearboxes, pumps.

Dow Corning 733 Glass & Metal Sealant
• Primary Use – Bonding and Sealing
• Applications – Bonding and sealing appliances, heavy equipment, marine equipment, recreational vehicles.

Dow Corning 734 Flowable Sealant
• Primary Use – To fill voids, cracks, crevices; conformal coating for connections and battery terminals.
• Applications –Coating mechanical devices; making formed-in-place gaskets for compressors, gearboxes, pumps; potting electrical terminals; sealing ammunition fuses, trailers, truck cabs.

Dow Corning 736 Heat Resistant Sealant
• Primary Use – Sealing and bonding applications exposed to temperatures as high as 600°F (315°C).
• Applications – Sealing fired heaters, flanged pipe joints, access doors, moving oven belts, industrial ovens and boilers, plywood drying ovens, bag filters on smoke stacks, flues on gas appliances; bonding appliance parts, electrical and electronic equipment; caulking joints in sheet metal stacks, ductwork.

Dow Corning 786 Mildew Resistant Sealant
• Primary Use – General purpose coating for protecting motors and electrical equipment; maintenance coating.
• Special Characteristics – Excellent moisture protection and resistance to sand, dust, dirt particles; easy to apply, thing coatings will not run or drip when applied to vertical or overhead surfaces.
• Applications – Coating motor windings, bus bars, splines, connectors, transformers, insulators, trailers, truck cabs, wooden pole tops.

Oxime

Dow Corning® 236 Dispersion Coating
• Primary Use – Release coating for protective surfaces from weathering, corrosion and dirt.
• Special Characteristics– Excellent release; weather resistance; excellent electrical insulator
• Applications – Easing clean-up of latex manufacturing equipment and paint-spraying operations and removal of flash in urethane and polyester molding; preventing adhesion and build-up on conveyor belts, paper and fabric rolls; reducing build-up on waste-handling equipment.

Dow Corning® 735 Oil Resistant Sealant
• Primary Use – Sealing and adhering general industrial equipment, vehicles and other applications where resistance to oil, coolants and lubricants is required.
• Applications – Sealing oil circulation systems, machine housings, conveyors, piping, oil containment troughs, dikes and barriers; making formed-in-place gaskets for gearboxes, engines and pumps.

Dow Corning® 737 Neutral Cure Sealant
• Primary Use – General manufacturing assembly operations where quick cure and good adhesion are important.
• Applications – OEM and assembly applications; substitute for mechanical fasteners on appliances; adhering plastic moldings to plastic substrates; waterproofing components, sealing coaxial connectors, protecting instrumentation; may be used on concrete and masonry.

Alkoxy

Dow Corning® 738 Electrical Sealant
• Primary Use – Bonding and sealing
• Applications –Bonding and sealing corrosion-sensitive electrical and electronic equipment

Dow Corning® 739 Plastic Adhesive
• Primary Use – Adhering, bonding and sealing plastic and metal; making formed-in-place gaskets
• Applications – Adhering auto trim, appliance trim and parts; assembling plastic toys; bonding gaskets in refrigeration units, signs and sign letters; caulking cement and masonry; making formed-in-place gaskets for compressors, gearboxes, pumps; sealing flashing, vents, gutters, marine cabins and windows; waterproofing leak proof tractor cabs.

Dow Corning® 748 Non-corrosive Sealant
• Primary Use – Electrical sealing applications; food processing and transportation applications
• Applications – Bonding and sealing electrical equipment, power and control connections, motors, cover plates, instrument lenses, regulators, junction boxes, control panels; sealing refrigerator and freezer liners.

Dow Corning® 832 Multi-Surface Adhesive/Sealant
• Primary Use – Bonding, sealing and assembly where a non-corrosive sealant is required.
• Applications – Sealing and repairing roof penetrations, gutters, concrete floor seams, marine equipment and windows, pipes, threaded connections; assembling original equipment components.

Dow Corning® – HM-2500 Assembly Sealant
• Primary Use –Assembly, bonding, sealing, gasket and other applications that require instant adhesion and high green strength
• Special Characteristics – 100% silicone, instant adhesion, ultra clear and cures to long lasting silicone sealant.
• Applications – Hot melt reactive sealant that works well in OEM and assembly applications, very good adhesion, to most substrates without the need of a primer.  With its instant adhesion, parts can be shipped out quickly yet has a long open time, long pot life and low VOC.

Primers and Cleaners

Dow Corning® 1200 RTV Prim Coat
• Primary Use – Significantly improves the adhesion of silicone sealants, to a wide variety of challenging substrates.
• Applications – Improves the adhesion of silicone sealants, coatings and rubber to masonry, wood, granite, metals, glass, ceramics, plastics, rubbers and coatings.
• Container Sizes – Can, pail and drum
• Color – Clear, Red

Dow Corning® P5200 Adhesion Promoter
• Primary Use – Significantly improves the adhesion of silicone sealants, with low VOC to a wide variety of challenging substrates.
• Applications – Improves the adhesion of silicone sealants, coatings and rubber to masonry, wood, granite, plastics, rubbers and coatings.
• Container Sizes – Can
• Colors – Clear, Red

Dow Corning® OS-2 Silicone Cleaner and Surface Prep Solvent
• Primary Use – Electrical sealing applications; food processing and transportation applications
• Special Characteristics – VOC exempt (VOC = 0 g/L).  Certified as a Clean Air Solvent by the California South Coast Air Quality Management District.  Easy to use, low in toxicity, essentially odorless. Safe on plastics and non-corrosive to metals.  Ideal for diluting and tailoring the viscosity of silicones.
• Applications –Cleaning plastics, metals, other surfaces, or preparing these surfaces for painting, bonding or sealing.
• Limitations – This product may not remove highly polar contaminants.
• Container Sizes – Can, pail and drum