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Turbo-Coat Acrylic Conformal Coating

Acrylic Conformal Coating with the fastest cure, dry to touch in 3 minutes!

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Part #	Name	Size	Units Per Case
2108-12S	12oz aerosol	12 oz (340g)	12
2108-P	Stnd viscosity - 1pt liquid	1 pt (473mL)	2
2108-G	Stnd viscosity - 1 gal liquid	1 gal (3.8L)	1
2108-5G	Stnd viscosity - 5 gal liquid	5 gal (19L)	1
2109-P	High viscosity - 1pt liquid	1 pt (473mL)	2
2109-G	High viscosity - 1 gal liquid	1 gal (3.8L)	1
2109-5G	High viscosity - 5 gal liquid	5 gal (19L)	1

Packaging Order minimum case quantity only. Extra shipping fees may apply.

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Turbo-Coat Acrylic Conformal Coating is designed to speed up board production throughput without additional investment of expensive UV systems or other capital equipment. Conformal coating cure time is often considered a production bottleneck for PCB assembly operations. TurboCoat (standard viscosity) dries tackfree in 3 minutes, allowing manufacturers to handle boards in 1/3 the time of the leading acrylic coating! Full cure can be achieved as quickly as 10 minutes with elevated temperatures.

Acrylic conformal coating is recognized for its high dielectric strength, and fair moisture and abrasion resistance. What generally distinguishes acrylic coating from other resins is ease of removal. Acrylic coatings are easily and quickly removed by a variety of solvents, often without the need of agitation. This makes rework and even field repair very practical and economical.

For more information, check out our Essential Guide to Conformal Coating.

Turbo-Coat comes in 2 viscosities:
Standard - 10-20cps
High viscosity - 52-60cps

Click here for Conformal Coating selection guide

Features & Benefits

Fastest cure – dry to touch in 3 minutes!
Low toxicity
No Toluene, Xylene or MEK
UL94 V-0 rated – nonflammable final coat
Fast & easy rework & repair
UV indicator for black light QC inspection

Specifications: IPC-CC-830B, UL94 V-0

Applications

Electronic Assembly

FAQ's

What is the difference between full cure and tack-free cure?

Full cure is when it meets all the final specifications. There might be some out-gassing, but it will be as hard as it is going to be, and adhesion is as good as it gets. Tack-free is as the name suggests, not sticky so you can move it along the assembly process.

What is the difference between dielectric strength and dielectric withstand voltage?

The dielectric strength is material intrinsic property and withstand voltage is surface property which depend on thickness of the material. They can be slightly different for thicker materials, but for conformal coating, the two numbers should be very close or the same. That is because we test coating at 3-5 mils thickness, calculate, then report the value per mil.

What type of UV light / black light should I use for QC inspection of the final conformal coating?

Conformal coating with UV tracer can be inspected with any typical UV lamp which has wavelength of 320-380 nm.

What solvent can I use to thin this conformal coating?

Turbo-Coat Thinner (part #2110) can be used as a thinning agent.

How do you apply liquid conformal coating? (2109)

Apply to clean, moisture-free surface. Areas not requiring coating should be masked. Application: Coating may be applied by spraying, brushing, dipping or flow coating. Allow coating to flow around components. Cure: Room temperature cure: A 1.0 mil coating will be tack-free in 9 minutes. Full cure requires 15 hours @ 74˚F (23˚C). Heat cure: 55 minutes @ 131˚F (55˚C). An open vessel of water placed in the drying chamber will facilitate curing. UV detectable for QC inspection. Removal: Coating may be removed by soaking in Conformal Coating Remover. Use TraceTech™ Conformal Coating Remover Pen for spot removal. After the new component is installed, areas should be cleaned and re-coated.

How do you apply liquid conformal coating? (2108)

Apply to clean, moisture-free surface. Areas not requiring coating should be masked. Application: Coating may be applied by spraying, brushing, dipping or flow coating. Allow coating to flow around components. Cure: Room temperature cure: A 1.0 mil coating will be tack-free in 3 minutes. Full cure requires 15 hours @74˚F/23˚C. Heat Cure: 30 minutes @149˚F/65˚C. An open vessel of water placed in the drying chamber will facilitate curing. UV detectable for QC inspection. Removal: Coating may be removed by soaking in Conformal Coating Remover. Use TraceTech™ Conformal Coating Remover Pen for spot removal. After the new component is installed, areas should be cleaned and re-coated.

How do you use an aerosol conformal coating? (2108-12S)

Shake well. SURFACE MUST BE CLEAN & MOISTURE FREE. Areas not requiring coating should be masked. Coating: Spray top to bottom, allowing coating to flow around components. Rotate board 90˚ and repeat process 2 or more times. If nozzle clogs, clean with solvent or use new nozzle. Cure: A 1.0 mil coating will be tack-free in 3 minutes. Full cure requires 15 hours @74˚F/23˚C. Heat Cure: 30 minutes @149˚F/65˚C. An open vessel of water placed in the drying chamber will facilitate curing. UV detectable for QC inspection. Removal: Coating may be removed by soaking in Conformal Coating Remover. Use TraceTech™ Conformal Coating Remover Pen for spot removal. After the new component is installed, areas should be cleaned and re-coated.

When using conformal coatings in general, what causes a "milky" cure or white "foam" on the substrate?

In almost all cases, the cloudy or milky cure comes from coating in higher humidity conditions. The white foam (from an aerosol) is caused the same way. We have the following suggestions: 1) If possible, allow the substrate and coating material to come to approximately the same temperature when applying. 2) Avoid applications in RH > 60%. High humidity ranges will discolor some coating resins and will start curing others. Besides the aesthetic value, it certainly may affect adhesion to the material. 3) Specifically on the silicone coating, if the resulting application is foamy, increase the focal point of the can, ie back off to about 10 -12” from the substrate & make 2 -3 light passes rather than one heavy pass to coat the board.

What types of coverage areas are to be expected with the conformal coatings in general?

Wet film thickness = Sq. ft. per gal.
0.1 mil = 16,040
0.5 mil = 3,210
1 mil = 1,600
2 mil = 802
3 mil = 535
4 mil = 401
5 mil = 321
6 mil = 267
7 mil = 229
8 mil = 201
9 mil = 178
10 mil = 160

What spigot or spout do you recommend for your metal 5-gallon and 55-gallon drums?

Metal 5-gallon containers come with a flexible pop-out spout for easy pouring. 55-gallon drums are compatible with standard 2" spouts.

How do you prevent the valve from clogging up when using aerosol conformal coating?

I suggest you get into the habit of clearing the valve after every use. You turn the can upside-down and spray until it only sprays propellant. If you don’t do that, you run the risk of dried coating building up in the valve or actuator button. If in the button, you can switch it for another one and it should work. If in the valve, there may not be much you can do to save the can.

How do I figure out the shelf life of a product?

The shelf life of a product can be found on either the technical data sheet (TDS), available on the product page, or by looking on the certificate on conformance (COC). The COC can be downloaded by going to https://www.techspray.com/coc. Once you have the shelf life, you will need to add it to the manufacture date for a use-by date. The manufacture date can be identified by the batch number. The batch code used on most of our products are manufacture dates in the Julian Date format. The format is YYDDD, where YY = year, DDD = day. For example, 19200 translates to the 200th day of 2019, or July 19, 2019. This webpage explains and provides charts to help interpret our batch numbers: https://www.techspray.com/batch-codes.

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