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Electrically Conductive Plastic Film

Black, carbon-filled, volume-conductive polyethylene film

designed to provide both physical and static protection

Electrically Conductive Plastic Film

Linqstat Electrically Conductive and Antistatic Plastic Film

CAPLINQ offers a range of LINQSTAT-branded electrically conductive and antistatic plastic film. Antistatic plastics typically have a surface resistance less than 100,000 ohms-per-square. Electrically conductive plastics start with a surface resistivity of less than 10,000 ohm-per-square and can go as low as 10 ohms-per-square.

LINQSTAT™ VCF, MVCF- and XVCF-Series electrically conductive plastic sheeting is a black, carbon-filled, volume-conductive polyethylene film designed to provide both physical and static protection in numerous semiconductor, electronics, and Smartcard applications. The different grade of materials allows users to cover a wide range of possible applications.

The film and its conductivity are unaffected by humidity and age. The film is heat-sealable, flexible and offers exceptional abrasion resistance. The film gives good thermal stability and has outstanding chemical resistance. LINQSTAT has a standard thickness range from 65-200 micron (0.0025 inch to 0.008 inch) and roll lengths and widths vary depending on application and requirement.

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Product Selector Guide

Linqstat Electrically Conductive Plastic Sheeting
Product
Series		 Technical Specifications Comments
Surface Resitivity
ohms per square		 Thickness
mm (mils)		 Volume Resistance (no pressure)
ohms		 Density
(g/cc)
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Linqstat VCF-Series Low Level Conductivity
Surface Resistance between 50,000 - 200,000 ohms per square (5 x 104 Ω/sq - 2 x 105 Ω/sq)
Used for Antistatic Packaging, ESD Protection or as ESD Interleaver
Linqstat VCF-Series 50,000 - 200,000
ohms/square		 0.05mm - 0.2mm
(2mil - 8mil)		 Not volume conductive 0.95 - 0.98 g/cc Considered antistatic as opposed to conductive
Linqstat VCF-2S200K <200,000 ohms/square 0.05mm (2mil) Not volume conductive 0.95 g/cc For applications requiring very thin sheeting
Linqstat VCF-4S200K-Series <200,000 ohms/square 0.1mm (4mil) Not volume conductive 0.95 g/cc Used in applications requiring a heavy-duty anti-static packaging film. Not suitable for sensors, but may be suitable for EMI/RF shielding.
Linqstat VCF-8S200K-Series <200,000 ohms/square 0.2mm (8mil) Not volume conductive 0.95 g/cc Used in applications requiring a heavy-duty anti-static packaging film. Not suitable for sensors, but may be suitable for EMI/RF shielding.
Linqstat VCF-3S100K-Series <100,000 ohms/square 0.075mm (3mil) Not volume conductive 0.98 g/cc Used in smartcard manufacturing as an antistatic interleaver (500m roll)
3.5 mil (0.090mm) thick or 4.5 mil (0.115mm) thick rolls are also available
Linqstat MVCF-Series Medium Level Conductivity
Surface Resistance between 1000 - 50,000 ohms per square (1 x 103 Ω/sq - 5 x 104 Ω/sq)
Used for large pressure sensors or for EMI / RF Shielding
Linqstat MVCF-Series 1,000 - 50,000
ohms/square		 0.1mm - 0.2mm
(4mil - 8mil)		 800-2,000
ohms		 1.02 - 1.10 g/cc Alternative to Velostat 1704/1706/1708 Series
Linqstat MVCF-8S50K-Series <50,000 ohms/square 0.2mm (8mil) 2,000 ohms 1.05 g/cc Used in shielding applications, medical electrodes and large scale pressure sensors. Direct Alternative to 3M Velostat 1708
Linqstat MVCF-4S50K-Series <50,000 ohms/square 0.1mm (4mil) 800 ohms 1.05 g/cc Used in shielding applications, medical electrodes and large scale pressure sensors. Slightly lower surface conductivity than 3M Velostat 1708.
Linqstat MVCF-8S10K-Series <10,000 ohms/square 0.1mm (4mil) Not volume conductive 1.05 g/cc Used as shielding material or sensors depending on surface conductivity. Direct Alternative to 3M Velostat 1704
Velostat 1708 <35,000 ohms/square 0.2mm (8mil) 10,000 ohms n/a Data based on Caplinq's own internal test methods
Velostat 1704 <15,000 ohms/square 0.1mm (4mil) 5,000 ohms n/a Data based on Caplinq's own internal test methods
Linqstat XVCF-Series High Level Conductivity
Surface Resistance less than 1000 ohms per square (<103 Ω/sq)
Used for TENS Electrodes, Digital Whiteboards, Pressure Sensors & Wearable Electronics
Linqstat XVCF-Series <1000
ohms/square		 0.07mm - 0.1mm
(2.75mil - 4mil)		 25-100
ohms		 1.10 - 1.18 g/cc Highly-loaded - our most conductive versions
Linqstat XVCF-4S500-Series <500 ohms/square 0.1mm (4mil) 100 ohms 1.10 g/cc Used for sensitive pressure sensor applications, high level EMI and RF shielding and medical applications like ECG and TENS electrodes.
Linqstat XVCF-3S500-Series <500 ohms/square 0.076mm (3mil) 50 ohms 1.10 g/cc Used for sensitive pressure sensor applications, high level EMI and RF shielding and medical applications like ECG and TENS electrodes.
Linqstat XVCF-3.5S200-Series <200 ohms/square 0.089mm (3.5mil) 25 ohms 1.10 g/cc Used for sensitive pressure sensor applications, high level EMI and RF shielding and medical applications like ECG and TENS electrodes.
Linqstat XVCF-3S150-Series <150 ohms/square 0.076mm (3mil) Under development
Linqstat XVCF-3S75-Series <75 ohms/square 0.076mm (3mil) Under development

Frequently Asked Questions

I want to laminate the film to PVC. Do you provide conductive films with precoated Acrylic adhesives?


We don't provide electrically conductive films with any adhesives at all. Films are all "as is" with no backings or coatings. On the same note we do not sell corona, flame or plasma pretreated rolls with enhanced surface energy.

Do you sell any compatible adhesives?


We don't provide Polyethylene compatible adhesives. PE surface tension is very low so it is quite challenging to reach proper adhesion. Heat sealing is usually the best option but you can always consider corona, plasma or flame treating the films to achieve proper bonding with more standardized acrylic adhesives and processes.

What is the surface resistivity tolerance?


We can assure you that the surface resistivity will always be lower than the stated property. We have various films ranging from 250 up to 200000 ohms/sq so pick the one closer to your needs. Linqstat is not meant for very narrow requirements.

What is the difference between VCF, MVCF and XVCF


The main difference between these product lines is the surface resistivity. XVCF are our most carbon loaded films and can go as low as 250 ohms/sq. We do have experimental options that can go as low as 50 ohms/sq but due to the complete change to the polymer structure the cost difference is so high (almost tenfold) that doesn't justify mass production. In need of something like that? Contact us.

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How do these products compare to 3M® Velostat® materials?

3M manufacture a family of products made of black, volume conductive plastics under the tradename Velostat®. Though the tradename Velostat belongs to 3M, the product itself is not under patent. This means that other companies are allowed to manufacture similar products with no conflict with 3M. Please click here to read the article on generic vs brand-name products.

Similar to Velostat, CAPLINQ offers a line of volume-conductive plastics under its LINQSTAT brand name. LINQSTAT VCF is a black, carbon-loaded, electrically-conductive plastic. Unlike Velostat, CAPLINQ's product line is far more extensive, offering far more grades than 3M with different conductivity levels to give a better balance of price vs performance for your specific application. Compare the technical properties of your Velostat® Film to those found in the table below and on CAPLINQ's respective LINQSTAT Technical Datasheets.

Antistatic vs Electrically Conductive Plastics

Few plastic resins are inherently conductive, so it is necessary to modify the plastic in one way or another to make the plastics conductive. There are several ways to make a plastic conductive, among them the most important are as follows:

  • Filler Type: The most common filler type used to make plastics electrically conductive is carbon black. This is the filler used in LINQSTAT VCF, MVCF and XVCF-Series Conductive Plastics.
  • Filler Quantity: By increasing the filler percentage used, the conductivity of the plastic goes up. Up until a 15% filler loading, the plastics have enough conductivity to be considered antistatic, but a loading above 20% is normally needed to get electrically conductive properties and to bring the surface resistance down below 10,000 ohms per square.
  • Particle Size: The finer the particles of carbon used, the more densely packed these become in the plastic, and thus the better conductivity achieved. This must be balanced to be able to still process the plastic effectively and get a good dispersion.
  • Polymer Type: Different plastics have different densities and properties and can help or hurt the conductivity of the plastic, all other things being equal.

 

Compare Electrically Conductive Plastics

Electrically conductive plastics are carbon-filled and come in a range of surface resistances. These different conductive plastics come also in a range of thicknesses and widths. Our electrically conductive plastic comparison tool can help you choose the right conductive plastic for your application.

Conductive Plastic Compare Tool

View Technical Papers and Brochures

Electrically Conductive Plastic Technical Papers, Conductive Plastic Marketing Brochures, Conductive Plastic Technical Data Sheets, Conductive Plastic MSDS. If these are what you are looking for, then this is where you should be.

Check out our Literature

Read our Blog on Conductive Plastics

Everyday, people just like you have questions about electrically conductive plastics. At CAPLINQ, we try to help people just like you by blogging about conductive plastics. From conductive plastic pricing to harmonization codes to product part numbers and leadtimes. We try to post as much information as we can on our blogs, to help you find more relevant information about anti-static plastics.

Read our Anti-Static Blog