Hertzcloth | High Conductivity & All Natural Shielding Fabric Sold Per Linear Foot X 59 Inch Width

HertzClothTM is a High Conductivity and All Natural Material which is also: - Machine washable - Safe for direct skin contact - Highly conductive and good for grounding - Good for shielding radio waves - Made with all natural materials 70% cotton - Reasonable cost Finding all these qualities in one material is no small task, until now. HertzCloth is all this and more! Made with pure cotton and stainless steel fibers, that's it. No flame retardant, not colorings. One side is primarily metal (gray side) and the other side is primarily cotton (white side). Cuts and sews with ordinary scissors and thread. Resistivity: 300-400 Ohms per square Shielding performance: >30 dB over common RF frequencies. Care: 1) Softly wash by hand, with neutral detergent (Don't use any strongly alkaline detergent such as washing powder). 2) Water temperature below 40 centigrade degrees. 3) No bleach, do not use detergent with bleach ingredients. 4) Do not wring, do not hang in blazing sun for a long time, and pick up promptly from the water to dry. Brand new, factory fresh. Priced per foot long. Set your quantity to the length (in feet) desired). Please note: This item is custom cut especially for you. As per our Returns Policy, we do not accept returns on custom cut products.