Super Shield™ Nickel Conductive Coating
841
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- Description
- Technical Data
- MSDS
- Applications
- Usage Instructions
- FAQ
- Resources
The 841 Super Shield Conductive Coating reduces electromagnetic or radio frequency interference (EMI/RFI), an issue for all electronic devices. It is a durable acrylic coating pigmented with a high purity nickel flake, and is UL approved for adhesion to ABS and polycarbonates at hot and cold temperatures.
It is designed to be applied to the interior of plastic electronic enclosures, and is a simple way to deal with EMI/RFI issues, allowing devices to pass FCC emission testing.
- UL Recognized (File # E202609)
- Tested in compliance with IEEE Std. 299-1997
- High Conductivity
- Tough and durable coating
- Stronger adhesion than water based coatings
- Low VOC’s
- Median attenuation 50 dB ±25 dB per 38 μm (~1.5 mil) for frequency range of 10 to 18,000 MHz
Available Sizes
| Catalog Number | Sizes Available | Description |
|---|---|---|
| 841-340G | 340 g (12 oz) | Aerosol |
| 841-900ML | 900 mL (1.65 kg) | Liquid |
| 841-1G | 1 gal (6.75 kg) | Liquid |
Technical Data
Download Specifications (Aerosol) 
Download Specifications (Liquid)
Specifications
| AEROSOL SPECIFICATIONS: | ||
|---|---|---|
| Curing & Work Schedule | Aerosol | Liquid |
| Dry to Touch (aerosol) | 30 to 45 s | 3 to 5 min |
| Recoat time (aerosol) | 1 min | 2 min |
| Full Cure at room temp. | 24 hour | 24 hour |
| Full Cure at 65°C | 30 min | 30 min |
| Shelf Life | 1 year | 3 years |
| Storage Temperature Limits | -5 to 40°C (23 to 104°F) | -5 to 40°C (23 to 104°F) |
| Service Ranges | Aerosol | Liquid |
| Service Temperature | -40 to +120°C (-40 to +248°F) | -40 to +120°C (-40 to +248°F) |
| Maximum Coverage | per can | per liter |
| for 38 µm (1.5 mil) | <8,400 cm2 (<9 ft2) | <55,000 cm2 (<59 ft2) |
| Electric Properties - Cured | ||
| Surface Resistance (Aerosol): | See Chart Below | |
| 1 × coat @ 1.0 mil | ≤0.7 ohm/sq | |
| 2 × coats @ 1.5 mil | ≤0.3 ohm/sq | |
| 3 × coats @ 2.0 mil | ≤0.2 ohm/sq | |
| Surface Resistance (Liquid): | ||
| 1 × coat (~1.50 mil) | ≤0.6 ohm/sq | |
| 2 × coats (~3.00 mil) | ≤0.25 ohm/sq | |
| 3 × coats (~4.50 mil) | ≤0.15 ohm/sq | |
| Shielding Attenuation: | Frequency | Attenuation |
| for 33 µm [1.5 mil] | ||
| IEEE STD 299-1997 | 10 to 100 kHz | 42 dB to 75 dB |
| 100 kHz to 1 MHz | 42 dB to 69 dB | |
| 1 MHz to 10 MHz | 40 dB to 69 dB | |
| 10 MHz to 100 MHz | 24 dB to 40 dB | |
| 100 MHz to 1 GHz | 29 dB to 48 dB | |
| 1 GHz to 10 GHz | 31 dB to 57 dB | |
| 10 GHz to 18 GHz | 31 dB to 58 dB | |
| Physical Properties - Cured | ||
| Color | Stainless steel | |
| Abrasion resistant | Yes | |
| Blister resistant | Yes | |
| Peeling resistant | Yes | |
| Shielding Effectiveness | See Chart Below | |
| Physical Properties - Uncured | Aerosol | Liquid |
| Color | Steel Grey | Steel Grey |
| Viscosity at 25°C [77°F] | 100 cP [0.1 Pa·s] | 3920 cP [3.92 Pa·s] |
| Density | 1.65 g/mL | 1.69 g/mL |
| Solids Percentage (wt/wt) | ~41% | ~65% |
| Flash Point | -18°C [-0.4°F] | -18°C [-0.4°F] |
| Odor | Ethereal | Ethereal |
Surface Resistance by Coating Thickness
MSDS
Available MSDS:
Applications
Applications & Usages:
Its primary applications are in cell phones, PDA’s, other consumer electronics, telecommunication equipment, industrial equipment, medical devices, military devices, and aerospace equipment. It can also works well on drywall, and can be used to shield entire rooms. Detailed Application Instruction for Aerosol and Liquid.
| IMPORTANT USAGE INFO: |
|---|
| 841 Aerosol Product must be vigorously shaken (approx. 2 minutes AFTER you hear the marble inside) prior to use, and periodically during use. After use, invert can and spray to clear nozzle prior to storing. |
| 841 Adherence Compatibility | |
|---|---|
| Acrylonitrile Butadiene Styrene (ABS) | UL tested substrate, superior adhesion |
| Polybutlylene Terephtalate (PBT) | UL tested substrate, superior adhesion |
| Acrylics or acrylic paints | Adheres well to clean surface |
| Polyvinyl Acetate (PVA) | Adheres well to clean surface |
| Polyurethane | Adheres well to clean surface for most urethane types |
| Wood | Adheres well with surface preparation |
Usage Instructions
Instructions For Applying MG Chemicals Super Shield Using Spray Equipment:
1. Ensure you have mixed the Super Shield well initially.
Upon delivery open the can and mix by hand using a large stir rod until a uniform suspension is acquired. Next place the top on the can and ensure a tight seal. Place the can inverted into a paint shaker and shake for 15 minutes.
2. Pour the Super Shield into your dispensing equipment.
Pour the Super Shield into your dispensing equipment and switch on the constant agitation (stirring). Pour in your solvent thinner (or recycled thinner from a previous run).
3. Seal the dispensing equipment.
Seal the dispensing equipment such that the solvent thinner can not evaporate. Evaporation of the solvent thinner will cause the viscosity of the Super Shield to increase and result in poor performance of the spray equipment. As the dispensing tank's level of Super Shield decreases the agitation will speed up the evaporation of the solvent thinner into the headspace above the suspension. Place a non-reactive, inert diaphragm to cover the suspension. Flush the headspace with a light flow of nitrogen to ensure no air is present. Ensure a tight seal.
4. Application
Ensure the dispensing system is under constant stirring. Flush the line with the solvent thinner if the line will sit idle more than one minute. Ensure the Super Shield is not left in the line when not applying it. (i.e. if you are not spraying there should be no Super Shield in the line, just solvent thinner).
Shielding Application Guide