Micro-Mark RTV Silicone Mold Putty 50 (Hard) 1401 It allows for smoother transitions

It allows for smoother transitions between shades

Building includes clapboard siding

Savoia-Marchetti SM

Operates with a propellant can or any compressor producing 30 to 45 psi

automotive chassis

Micro-Mark RTV Silicone Mold Putty 50 (Hard) 1401 It allows for smoother transitionsThe fastest, easiest way to make a mold 1: 1 mix ratio eliminates guesswork for the best results every time Improved platinum cure formulation is more versatile than ever Maximum mixing time is 3 minutes; total working time is 8 minutes; cure time is 30 minutes 1 lb., 2 part kit contains approx. 11 fluid oz total material 50 Durometer hardness when cured. which is rated as hard