Technical Wheel lug nut torque and copper paste

[cyberbird]

Hi,

I like to put copper paste on face of my plate when changing wheels. Consequentially I do get a little bit of it on my lug nuts.
What kind of torque should i use for such bolts? They are M12 x 1.25, 5 bolts per wheel. I have both aluminum and cast iron rims.
Last time I used 100 Nm but I feel like I should use more.

Thanks!

 

[chris3234]

What vehicle is this? This will help people find you the correct torque value's

 

[cyberbird]

Fiat Doblo, sorry for not mentioning