The black Silicone rubber (SR) is since the beginning of chip assembly an appreciated base material to produce replaceable tip. Despite the emergence of other materials ( see our HCTE. HRTE), the silicone rubber has conserved properities giving satisfaction and flexibility. The shape of silicone rubber tip is the same as the shape of nitrile rubber
SPT proposes a variety of high temperature silicone rubber tips which are finished to the desired sizes.
When and Why to use HCTR or HRTR :
The range of available sizes starts with a minimum size of 015x015 up to 400x400 mils
Every type is build from a family of 4 distinct types identified as: A B C D
The types A and B are compatible with the shank having the square insert type A/B while the others are compatible with any shank having the square insert type C/D