Y-Shield A300-HEMP EMF Shielding Material - Military Grade

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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): https://www.yshield.de/pdf/emcc/EMCC-240185AB.pdf
Laboratory Attenuation Report (ASTM D4935-10): https://www.yshield.de/pdf/db/YSHIELD-A300-HEMP-DB.pdf
Independent Expert Attenuation Report: https://www.yshield.de/pdf/db/EXPERTREPORT-YSHIELD-A300HEMP.pdf

Installation Guides & Accessories:

Professional Installation Guidelines: https://www.yshield.com/en/faq_777_1800/ (Help: Shielding attenuation of web edges)
Grounding Requirements: https://www.yshield.com/en/grounding/

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