Product Core Summary
- Model: F0-108295-AG
- Manufacturer: ALLTEC (part of ABB Lightning Protection Group)
- Core Function: High-conductivity, permanent ground enhancement backfill material designed to dramatically and irreversibly reduce soil resistivity around earth electrodes and grounding grids
- System Compatibility: Compatible with all copper, copper-bonded, galvanized steel, and stainless steel grounding electrodes; used globally in substation, power generation, wind/solar farms, petrochemical, and telecom grounding systems
- Supply Status: In Stock (current production, worldwide availability)
- Warranty Standard: 12-month material integrity warranty, laboratory-tested samples from each batch
Key Technical Specifications
- Product Model: F0-108295-AG
- Manufacturer: ALLTEC
- System Platform: TerraDyne Series Ground Enhancement Materials
- Type: Carbon-based, cementitious, non-corrosive GEM
- Packaging: 25 kg (55 lb) multi-wall moisture-resistant bag
- Dry Resistivity: ≤ 0.02 Ω·m (ASTM G57)
- Cured Resistivity: ≤ 0.015 Ω·m after 28-day hydration (independent lab verified)
- pH Value: 11.5 – 12.5 (neutral to slightly alkaline, non-corrosive to copper)
- Leaching Characteristics: Zero hazardous leachate (TCLP compliant, EPA 1311)
- Thermal Stability: -40 °C to +150 °C operating range
- Expansion Coefficient: < 0.2 % (prevents mechanical stress on electrodes)
- Corrosion Influence: < 0.01 mm/year on copper (accelerated test per IEC 62561-7)
- Certifications & Standards: IEC 62561-7 (Lightning Protection System Components – Ground Enhancing Compounds), UL 467 listed, IEEE 80, IEEE 837, NFPA 780, EN 50164-7, RoHS compliant
- Shelf Life: Minimum 36 months when stored in dry conditions
- Typical Dosage: 25 kg bag treats approximately 0.05–0.08 m³ depending on trench dimensions
Technical Architecture & Functional Positioning
ALLTEC TerraDyne F0-108295-AG is a permanently conductive, cementitious compound engineered specifically to overcome the limitations of native high-resistivity soils (sand, gravel, rock). Unlike bentonite-based materials that depend on moisture retention and degrade over time, this GEM chemically bonds with soil particles and cures into a solid conductive matrix with resistivity lower than most metallic conductors.
The formulation combines high-purity carbon, proprietary conductive fillers, and low-alkali Portland cement. Upon hydration, it forms an irreversible electro-chemical network that maintains conductivity even in drought conditions or freeze-thaw cycles. Independent 10-year exhumation studies show resistivity remains within 5 % of initial cured value, making it the preferred choice for critical infrastructure where grounding system performance must be guaranteed for 40+ years.
From a grounding system architecture perspective, F0-108295-AG is positioned as the primary resistivity-reduction layer surrounding earth rods, grid conductors, and ground plates. It effectively increases the effective electrode surface area by several orders of magnitude, reducing ground potential rise (GPR) and step/touch voltages during fault or lightning events.
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