Quick overview from the supplier:
Thermal Paste Deepcool EX750 (3g, 6.2 W/m·K, 2.6 g/cm³, -50°C to +250°C)
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Grease Color Gray
Grease Weight 3 g
Thermal Impedance 0.03°C·cm²/W
Thermal Conductivity 6.2 W/m·K
Specific Gravity(25°C) 2.6 g/cm³
Operating Temperature -50°C to +250°C
P/N R-EX750-GY030C-G-1
https://www.deepcool.com/product/dcoolingaccessory/2021-01/12_14267.shtml