silicone kit for orthoplasty 3 types of hardness available 2 x 250g ruckSilicone kit for orthoplasty 3 types of hardness 2 x 250 g Two component orthosis of the highest elasticity, easy to process with support material (Rinki, foams), regreasing properties, virtually irritation free (zinc oxide free), permanently elastic, all degrees of hardness can be combined between them. Mix the same amount of each component and knead until you obtain a homogeneous mixture. The mixture is then ready to form properly formed orthotics.