Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"99.7% Al2O3 Alumina Filler for High-Voltage Electrical Insulation with 1.20 g\/cm","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/b5\/d2131f5e1fae0e7970e9bb3d6f95-200x200-1\/99_7_25_al2o3_alumina_filler_for_high_voltage_electrical_insulation_with_1_20_g_2fcm.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,,"}}
{"title":"High Purity Ultrafine Silicon Carbide Micropowder with Large Specific Surface","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/a0\/1f96e5e85238341af29d9338697f-200x200-1\/high_purity_ultrafine_silicon_carbide_micropowder_with_large_specific_surface_area_for_advanced_ceramics.jpg","attrs":{"Brand Name":"KeGu","Model Number":"Customizable","Place of Origin":"China","Price":"30-70 yuan\/kg"}}
{"title":"High-Purity Alpha Alumina Powder for Thermal Management with Controlled Particle","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/e1\/a70f01efef82c77225a80f5f2962-200x200-1\/high_purity_alpha_alumina_powder_for_thermal_management_with_controlled_particle_size_distribution_and_high_packing_density.jpg","attrs":{"Model Number":"Customizable","Material":"SiC","Composition:SiC":"\uff1e85%","Color":"Black"}}
{"title":"Battery-Grade 99.95% High Purity Alumina Powder with Excellent Dispersibility","imgUrl":"https:\/\/img.chinax.com\/nimg\/21\/48\/a4e6119b51434c6a2773c55b7c41-200x200-1\/battery_grade_99_95_25_high_purity_alumina_powder_with_excellent_dispersibility_for_li_ion_ceramic_separator_coating.jpg","attrs":{"Material":"SiC","Composition:SiC":"\uff1e85%","Color":"Black","Density":"\u22653.65g\/cm3"}}
{"title":"High-Fluidity High-Purity Alumina Ceramic Powder (Al2O3 \u226599.7%) for Photovoltaic","imgUrl":"https:\/\/img.chinax.com\/nimg\/3b\/b5\/892dd6a03ae1b253e734dbd0bcbb-200x200-1\/high_fluidity_high_purity_alumina_ceramic_powder_28al2o3_e2_89_a599_7_25_29_for_photovoltaic_26_lcd_glass_applications.jpg","attrs":{"Model Number":"Customizable","Material":"SiC","Composition:SiC":"\uff1e85%","Color":"Black"}}
{"title":"High-Purity White D50 Spherical Alumina Powder with 3.60 g\/cm\u00b3 Specific Gravity","imgUrl":"https:\/\/img.chinax.com\/nimg\/de\/0f\/b6f8eb0d7856bc5caf736453d857-200x200-1\/high_purity_white_d50_spherical_alumina_powder_with_3_60_g_2fcm_c2_b3_specific_gravity_for_thermal_interface_materials.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,,"}}
TM-FA is a specialized high-purity alumina (Al₂O₃ ≥99.7%) powder engineered as a functional filler for epoxy casting systems in high-voltage electrical equipment. It is designed to enhance the mechanical and insulating properties of insulation components used in SF6 gas-insulated switchgear (GIS) and other high-voltage applications.
Key Properties & Benefits
Superior Electrical Insulation: Ensures high dielectric strength and reliable performance in demanding high-voltage environments
Enhanced Mechanical Strength: Contributes to the structural integrity and durability of cast epoxy insulation parts
Optimized Rheology: Carefully controlled particle size distribution and morphology ensure ideal viscosity (400-700 cP) for seamless processing and high packing volume during casting
High Purity & Reliability: Ultra-low impurity content guarantees consistent performance and long-term stability
Technical Specifications
Chemical Composition
Al₂O₃ Content
%
≥ 99.7
SiO₂
%
≤ 0.06
Fe₂O₃
%
≤ 0.03
Na₂O
%
≤ 0.10
Physical & Electrical Properties
Density
g/cm³
≥ 1.20
pH
-
8.0 ± 1.0
Conductivity
μS/cm
≤ 50
Particle Size (D50)
μm
10 - 16
Curing Process Parameters
Initial Viscosity
cP
400 - 700
Make Time
min
40 - 80
Gel Time
min
90 - 160
Primary Applications
This product is specifically designed as a specialized filler for manufacturing insulation parts via epoxy casting, primarily used in:
