T/HNNMIA 70-2023 High thermal conductivity insulating aluminized filler

Scope

Main technical content: This document specifies the classification, technical requirements, inspection methods, inspection rules, and marking, packaging, transportation, storage, and accompanying documents and order forms for high-thermal-conductivity insulating alumina fillers. This document is applicable to high-thermal-conductivity insulating alumina fillers used in thermal interface materials such as thermal silicone gels, thermal silicone pastes, etc. Table 1: Chemical Composition and Physical Indicators of Product Grades Chemical Composition (mass fraction), % Physical Indicators Al2O3 SiO2 Fe2O3 Na2O Water content, % Particle size D50, μm α-Al2O3, % Oil absorption, g/100g Not less than Not more than Not less than Not more than A-SF-1099 99.00 100.0 30.0 50.0 108–119 5.0–20 A-SF-20 99.50 50.0 30.0 50.0 18–22 12–16 A-SF-60 99.50 50.0 30.0 40.0 70.0 30–35 5.0–16 A-SF-60H 99.50 50.0 30.0 40.0 70.0 40–45 5.0–16 A-CF-2 99.00 0.06 0.04 0.05 1.8–2.2 5.0–20 A-CF-3 99.00 0.06 0.04 0.06 2.7–3.3 5.0–20 A-CF-5 99.00 0.08 0.04 0.08 4.8–5.2 5.0–19 22.0–25 A-CF-6 99.00 0.08 0.04 0.08 8.0–12.9 5.0–25

Development Information

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