Double-Laminated Aluminium Shielding Fleece - Military Grade High-performance electromagnetic shielding material designed to meet military standard MIL-STD-188-125. Features double-laminated aluminium construction with micro-needled perforations for breathability. Product Specifications Width: 90 cm Length: Sold by the meter (minimum 1m increments) Bulk Option: 50m rolls available (50m increments) Surface Weight: 300 g/m² Thickness: 0.4 mm Weight per meter: 300g Shielding Performance Shielding Attenuation: 123 dB Frequency Range: Effective from 1 kHz to 40 GHz Standard Compliance: MIL-STD-188-125 (military electromagnetic pulse protection) Test Method: ASTM D4935-10 Physical Properties Colour: Silver/Silver Tear Resistance: 4,400 N/m (transverse), 6,800 N/m (longitudinal) Water Vapour Permeability: sd value 0.024m (highly permeable) Perforations: 4,000,000 micro-holes per square meter Materials & Construction Core Materials Aluminium: Double-laminated micro-needled foil layers Substrate: Cellulose fleece (FSC & EUTR certified) Fibres: Polyester (OEKO-TEX® certified) Adhesive: OEKO-TEX® certified powder adhesive Unique Features Redundant Protection: Two aluminium layers provide backup shielding Breathable Design: Micro-perforations allow water vapour passage without compromising shielding Corrosion Resistance: Aluminium-grade corrosion protection German Manufacturing: Produced in-house in Germany Applications Professional Use Critical infrastructure protection Military-grade electromagnetic pulse (HEMP) protection Data centres and secure facilities Research laboratories Installation Requirements Two-Layer Installation: Required for full MIL-STD-188-125 compliance Single-Layer Option: Sufficient for non-magnetic frequency applications Grounding Required: Must be integrated into functional equipotential bonding (FEB) Installation Specifications Surface Preparation Absorbent/chalky surfaces require GK5 primer pre-treatment Contact materials must maintain pH 4-9 (neutral range) Bonding Requirements Recommended Adhesive: PSA pressure-sensitive adhesive Overlap: 5cm overlap required between sheets Edge Sealing: Use HNX50 or HNX100 shielding tape for edges Grounding Important: Electrically conductive surface requires integration into functional equipotential bonding system. Grounding accessories available separately. Technical Certifications Laboratory Testing EMCC DR. RASEK: Accredited laboratory certification In-House Testing: Daily batch verification Independent Verification: Third-party expert validation Frequency Coverage: Tested up to 40 GHz Standards Compliance MIL-STD-188-125: Military electromagnetic pulse protection ASTM D4935-10: Standard test method for electromagnetic shielding OEKO-TEX®: Textile safety certification FSC/EUTR: Sustainable forestry certification Product Information Ordering Details Minimum Order: 1 running meter Increment: 1 meter steps Roll Orders: 50m increments (whole rolls) Custom Cutting: Cut to customer requirements Returns: No returns on custom-cut material (sample available) Documentation Available Technical Reports: Expert Report HEMP (MIL-STD-188-125): PDF: EMCC laboratory report Laboratory Attenuation Report (ASTM D4935-10): PDF: Laboratory report attenuation Independent Expert Attenuation Report: PDF: Expert report attenuation Installation Guides & Accessories: Professional Installation Guidelines: https://www.yshield.com/en/faq_777_1800/ (Help: Shielding attenuation of web edges) Grounding Requirements: PDF: Grounding technical data sheet Data Sheet Report Required Accessories (Sold Separately) Under YSHIELD in brands on our home page. Installation Materials PSA Pressure Sensitive Adhesive (1L or 5L) GK5 Primer (for absorbent surfaces) HNX50/HNX100 Shielding Tape (edge sealing) Grounding Components GSX50 Grounding Strap (25mm width, 50m roll) Grounding connectors and hardware Important Notes Professional installation recommended for military-grade applications Material requires proper grounding for optimal performance Sample testing available before large orders Custom cutting available - no returns on cut material Note: This is a professional-grade EMF shielding material intended for technical applications. Proper installation and grounding are essential for effective performance. Consider requesting a sample before placing large orders. Samples start at 1 meter x 90 cm Faraday Material is flamable! Keep away from electrical wiring.
