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Gupotim T 21 is an aluminum oxide-based thermally conductive, electrically insulating filler.

Functions: Filler

Chemical Family: Aluminum Compounds

Features: Electrically Insulating, Excellent Filling Properties, Good Abrasion Resistance, Thermally Conductive

End Uses: Caps, Film, Hoses

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Mission

Pastes, gap fillers, potting compounds, foils, films, caps, ceramics, laminates, hoses, adhesives and tapes, compounds, elastomers, thermoplastics, thermosets, resins, ...

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Sieve Analysis Residue on (+63 my, 250 mesh)max. 0.3%-
Sieve Analysis Residue on (+45 my, 325 mesh)max. 3.0%-
Cilas D 505.5μm-
Oil absorption20 - 30%-
Bulk Density (Loose)500-600g/l-
Tamped Density850 - 1050g/l-
Specific Surface (BET)1.0 - 1.5m²/g-
Miller number174.0--
pH (10% in H₂O)7.5 - 9--
Chemical Analysis
ValueUnitsTest Method / Conditions
Al₂O₃99.7%-
N / A₂O0.04%-
feet₂O₃max. 0.015%-
SiO₂0.08%-
Properties

Finely ground, sieved to 63 μm. Low soda (Na20<0.1%). Low abrasiveness (cf. Miller number).