MG Chemicals

https://www.mgchemicals.com/products/potting-compounds/epoxy-potting/thermal-epoxy/ 834HTC is a 2-part, black, rigid, flame-retardant (UL 746A certified) thermal epoxy that provides extreme environmental, mechanical and physical protection for printed circuit boards and electronic assemblies. This flame-retardant epoxy resin is designed for applications where thermal management and self-extinguishing are critical. It also provides excellent electrical insulation and protects components from static discharge, vibration, abrasion, thermal shock, environmental humidity, salt water, fungus, and many harsh chemicals. 834HTC is our best thermally conductive epoxy potting and can be cured at room temperature or higher. Features & Benefits Certified UL 746A (File# E334302) Thermal conductivity of 0.94 W/(m.K) Low CTE Low exotherm High compressive and tensile strength Excellent adhesion to a wide variety of substrates including metals, composites, glass, ceramics, and many plastics Excellent electrical insulating characteristics Broad service temperature range of-50 to 150 °C (-58 to 302 °F) Low shrinkage and high dimensional stability 5A:1B volume mix ratio Contains non-halogenated flame-retardant fillers Solvent-free

https://www.mgchemicals.com/products/soldering-supplies/flux-removers/heavy-duty-flux-remover/ 413B Heavy Duty Flux Remover is specially formulated to dissolve and remove the most stubborn, encrusted, hard, baked-on fluxes and residues left on parts after soldering. It penetrates quickly to remove non-ionic and ionic contaminants left on the non-component sides of circuit boards. It can also work aggressively on isolated and hard-to-reach areas that require spot cleaning. It is also available in aerosol format. 413B is the best flux cleaner for removing rosin, non-rosin, no-clean fluxes, non-ionic and ionic contamination. Features & Benefits RoHS Compliant Quickly dissolves burnt-on flux Fast dry time Zero residue

https://www.mgchemicals.com/products/soldering-supplies/flux-pens/solder-flux-pen/ 836-P is a solder flux pen containing a halogen-free organic flux with low activity. The flux has a low solids content and leaves virtually no residue. Solder joints appear shiny after soldering, even without cleaning. This no clean flux pen is designed for the prototyping, rework and repair of conventional and surface mount circuit boards. Features & Benefits Meets IPC J-STD-004B and type ORL0 For both leaded and lead-free solders Chiseled tip allows precise application Residues do not require cleaning Rosin/resin free Halogen-free RoHS compliant

https://www.mgchemicals.com/products/soldering-supplies/solder-mask/pcb-solder-mask/ This PCB solder mask is a synthetic latex product for the temporary masking of circuit areas and contacts against solder, rosin and cleaning fluids. This PCB mask provides effective protection for contacts, gold fingers and printed circuit card edges, and can easily be peeled off once the wave soldering process is complete, and after any subsequently applied conformal coating is sufficiently dry. Our peelable solder mask can be applied by hand or by template screening, but not by silk screening. It can also be applied using robotic or pneumatic systems. Features & Benefits Withstands Wave Soldering Non-Corrosive—Safe for copper, gold, silver, and solder joints Solvent Solubility —Largely insoluble once cured (flux and cleaning solvent resistant) Water Soluble—Can be thinned with deionized (D.I.) water to adjust viscosity Immersion Resistant—insoluble once cured Room Temperature Cures or Quick Heat Curing Cure Monitoring Color Change—Changes from opaque pink to translucent red once cured Ammonia Free—Does not discolor copper traces

https://www.mgchemicals.com/products/adhesives/thermally-conductive-adhesives/thermal-adhesive-flowable/ 8329TFM is a thermally conductive two-part epoxy adhesive. It is dark grey, smooth, thixotropic, and bonds well to a wide variety of substrates. This product is used to bond heat sinks, LEDs, and other heat-generating components in electronic assemblies. It is suitable for use with dual-syringes, mix-tips, and automatic dispensing systems.

https://www.mgchemicals.com/products/soldering-supplies/solder-paste/sn63-solder-paste/ 4860P – Sn63/Pb37 solder paste, also known as Sn63 solder paste or 63 37 solder paste, is a no clean solder paste that is made from a blend of high purity, non-recycled tin and lead alloy powder combined with a no-clean flux to form a paste. It is designed for surface mount applications and provides high tack force and good wettability. The post-soldering residues are transparent, nonconductive, non-corrosive, and highly insulated. (“No-clean” means that residues are not harmful to assemblies). Sn63/pb37 solder paste is designed for use in high-speed printing and is an ideal choice for SMT solder paste printers. It can yield brick-like prints even when using ultra-fine pitch stencils as small as 0.3 mm. Features & Benefits Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements Flux meets J-STD-004B Non-corrosive Non-conductive residue Halide free Good wettability Type 3 (45-25 µm)

https://www.mgchemicals.com/products/soldering-supplies/solder-paste/low-temperature-solder/ 4902P Sn42/Bi57/Ag1 is a low temperature solder made for surface mount applications. This SMT solder paste spreads and adheres well to a variety of materials, and provides excellent soldering results and appearances. A uniform low temperature solder paste, it dispenses evenly and resists solder beading and bright spots. This surface mount solder paste is an ideal low temperature solder for electronics and is specially designed for radiators, LEDs and telecommunication assemblies. Features & Benefits Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements Flux meets J-STD-004B for ROM1 Particle size Type 3 (with 80% min. between 25-45 µm) No-clean Excellent 12 mil (0.30 mm) fine pitch printing capability Long operational life—non-slumping Good wettability Halogen-free

https://www.mgchemicals.com/products/electronics-maintenance/specialized-cleaners/label-remover/ 8361 is an adhesive and label remover which effectively removes adhesive, sticker, and ink residues. It has a pleasant odor which makes the product easy to work with. This label and sticker remover is a quick and safe way to remove label residues from many surfaces.

https://www.mgchemicals.com/products/soldering-supplies/soldering-flux/rosin-flux/ 835 is a rosin-based liquid flux with moderate activity. This rosin flux is composed of pure Water White (WW) grade gum rosin in a unique solvent system, combined with highly effective activators. Post-soldering residues from this RA liquid flux are non-conductive, non-corrosive, hydroscopic, non-tacky, and fungus resistant. This rosin soldering flux can be used in both automated and manual soldering applications. It is great for general purpose soldering of PCBs, wire, cable, and semiconductors. It is also ideal for solder coating or tinning leads. It may be applied by spray or foam, or by wave fluxing for wave soldering applications.

https://www.mgchemicals.com/products/adhesives/bonding-adhesives/structural-adhesive/ 9200 is a 2-part structural adhesive designed to create long-lasting load-bearing joints. It adheres strongly to metals, plus a wide range of materials that are difficult to bond to, including glass, ceramics, wood, engineered thermoplastics, and thermoset laminates, such as SMC (sheet molding compound) and GRP (glass-reinforced plastics). It evenly distributes stress throughout the entire bonded area and is especially useful for joining dissimilar materials that will experience thermal cycling stresses. This structural epoxy adhesive creates tough vibration-resistant bonds, making it an ideal auto body panel adhesive. It is the best glue for aluminum and works well when used as an automotive structural adhesive or automotive panel adhesive. 9200 provides excellent electrical insulation, and protects against static discharge, thermal shock, galvanic corrosion, environmental humidity, salt water, fungus, and many harsh chemicals. It is smooth, non-sagging and thixotropic, so it is excellent for use on vertical surfaces and for gap filling. It is also useful for potting electronics in enclosures with gaps where a non-thixotropic encapsulant would flow through. 9200 is viscous, yet flowable enough to be dispensed from a syringe. The 50ml size may be used with a mixing tip when dispensing with a caulking gun or pressurized system.

https://www.mgchemicals.com/products/conformal-coating/silicone-conformal-coatings/conformal-coating-waterproof/ 422C is a 1-part, acrylic-silicone blend waterproof conformal coating that cures to a durable, flexible and smooth finish. It is easy to apply and can be handled in only 10 minutes. It may be removed with appropriate strippers, or soldered through for repair or rework. This circuit coating puts minimum stress on components during thermal cycling, making it ideal for applications that involve a wide temperature range. It provides strong protection against moisture, corrosion, fungus, dirt, dust, thermal shock, short circuits, high-voltage arcing, and static discharge. This circuit board waterproof coating is the best conformal coating where moisture protection, wide range service temperature, and flexibility are required. It works great as a first-person view (fpv) conformal coating and is an excellent choice for waterproofing remote systems, such as drones and remote-control cars. Features & Benefits Certified UL94 V-0 (File# E203094) Maximum service temperature of 200 °C Fast cure – tack free in about 10 min; dries in 20 min at 65 °C [149 °F] Fluoresces under UV-A light Validated for selective robotic coating equipment Corrosion resistant

https://www.mgchemicals.com/products/soldering-supplies/soldering-flux/liquid-solder-flux/ 8351 is a halogen-free organic liquid solder flux with low activity. It is a no clean flux with a low solids content that leaves virtually no residue. Solder joints appear shiny after soldering, even without cleaning. This halogen free flux is the best soldering flux for wave soldering and surface mount assembly. It may be applied by spray or foam, or by wave fluxing. It is also re-flowable in air or nitrogen.

https://www.mgchemicals.com/products/soldering-supplies/flux-removers/flux-cleaner/ 4140A is a flux cleaner that cleans post solder residues quickly and conveniently. Its plastics-safe formula removes rosin, non-rosin and no clean fluxes, as well as both ionic and non-ionic residues. 4140A comes in a variety of sizes and packaging types. The flux remover pen is very effective for spot cleaning flux while repairing or prototyping electronic circuits. Features & Benefits Suitable for use in food facilities as a Non-Food Chemical – Canadian and NFS recognition letters available on request RoHS compliant Low odor Safe on most plastics Moderate dry time

https://www.mgchemicals.com/products/conformal-coating/silicone-conformal-coatings/silicone-modified-conformal-coating/ 422B is a 1-part, acrylic-silicone blend conformal coating that cures to a durable, flexible and smooth finish. It is easy to apply and can be handled in only 8 minutes. It may be removed with appropriate strippers, or soldered through for repair or rework. 422B is designed for applications where both high service temperature and flexibility are required. It puts minimum stress on components during thermal cycling, making it ideal for applications that involve a wide temperature range. It provides strong protection against moisture, corrosion, fungus, dirt, dust, thermal shock, short circuits, high-voltage arcing, and static discharge. Features & Benefits Certified UL94 V-0 (File# E203094) Maximum service temperature of 200 °C Fast cure – tack free in about 8 min; dries in 20 min at 65 °C [149 °F] Fluoresces under UV-A light Validated for selective robotic coating equipment Excellent corrosion resistance

On Roughneck Rig, oil and grease make it difficult for the gentleman robot to maintain top quality grooming. 3M hydrophobic coating to the rescue!

iRobot

https://www.mgchemicals.com/products/potting-compounds/epoxy-potting/clear-epoxy-resin/ 832WC is a rigid, 2-part, clear epoxy resin that offers extreme environmental, mechanical and physical protection for printed circuit boards and electronic assemblies. This product is designed for applications where high clarity is required. It does not yellow when exposed to UV light; it maintains clarity in applications with service temperatures of up to 65 °C (149 °F) and intermittent exposures of up to 100 °C (212 °F). It can be used for underwater applications such as swimming pool light potting compound. It is also a good choice for casting resin. Features & Benefits Optically clear potting compound (can be used as a casting epoxy resin) UV light stable (minimal yellowing) Very low mixed viscosity of 980 cP Convenient 2A:1B volume mix ratio Excellent electrical insulating characteristics Extremely high compressive and tensile strength Good adhesion to a wide variety of substrates, including metals, composites, glass, ceramics, and many plastics Broad service temperature range of -40 to 140 °C (-40 to 284 °F) Extreme resistance to water and humidity (allows for submersion where needed) Solvent-free

https://www.mgchemicals.com/products/adhesives/thermally-conductive-adhesives/thermal-glue/ This thermal epoxy glue is a 2-part, 1-1 system with a set time of only 15 minutes. It is a smooth off-white paste that cures to form a hard, durable polymer that is thermally conductive, yet electrically insulating. It is UL 94V-0 registered as flame retardant (UL File# E334302). It bonds well to metals, ceramics, glass, and most plastics used in electronic assemblies. Thermal glue is often used to bond heatsinks to CPUs. It may also be used to glue heatsinks to LEDs and other electronic components, and in many other applications that require a fast setting, thermally conductive, electrically insulating adhesive. This product is viscous, yet flowable enough to be dispensed from a syringe. The 50ml size may be used with a mixing tip when dispensing with a caulking gun or pressurized system. Features & Benefits Thermal conductivity of 0.8 W/(m·K) 1:1 mix ratio Flame retardant – UL 94V-0 registered Working time: 5 minutes Set time: 15 minutes Provides strong electrical insulation Low CTE prior Tg High tensile and compressive strength Strong resistance to humidity, salt water, mild bases, and aliphatic hydrocarbons

https://www.mgchemicals.com/products/conformal-coating/overcoat-pens/419d-p-gr-overcoat-pen-green/ The 419D-P Green Overcoat Pen applies an acrylic coating that cures to a durable, flexible and smooth finish. It functions as both a solder resist and a conformal coating. It is easy to apply and can be handled in 15 minutes. It may be removed with appropriate strippers, or soldered through for repair or rework. This pen can be used to repair scratches and chips in permanent solder masks, to touch up areas missed during conformal coating applications, or to repair conformal coatings after replacing isolated components. It can also be used to protect conductive pen traces. Features & Benefits Protects PCBs from solder drips Prevents shorting and arcing Protects electronics from moisture, corrosion, fungus, dirt, and static discharges Comes in a variety of colors—blue, black, clear, green, and white No hazardous air pollutants—free of toluene, xylene and MEK

https://www.mgchemicals.com/products/soldering-supplies/solder-paste/sac305-solder/ 4900P SAC305 Solder Paste is a no clean solder paste made from a blend of high-purity, non-recycled tin, silver and copper metal powder mixed with a no-clean flux. This halogen-free and lead-free solder paste is designed for extreme flux activity and the enhanced printing requirements of ultra-fine pitch applications. It provides excellent wetting on copper OSP-coatings. Wide reflow process windows combined with high thermal stability yield solder joints with smooth surfaces. 4900P is the best lead-free solder paste for facilitating high speed printing. It can yield brick-like prints even when using ultra-fine pitch stencils as small as 0.3 mm. Features & Benefits Alloy exceeds J-STD-006C and meets ASTM B 32 purity requirements Flux meets J-STD-004B Repeatable and consistent printing characteristics Long stencil and tack life facilitate high speed printing Excellent wettability Suitable for air or nitrogen atmospheres Medium-soft, non-cracking residues

In this tech talk episode, we demonstrate the differences in water protection you achieve by potting a circuit versus one that is conformally coated

This brief video highlights some of the main features and benefits of MG 4200UV conformal coating https://www.mgchemicals.com/products/conformal-coating/uv-conformal-coatings/uv-cure-conformal-coating/