IOTA HCR 370 U is a very transparent silicone heat-curing elastomer which vulcanizes after the addition of a vulcanizing agent selected in accordance with the transformation process.

IOTA HCR 360 U is a very transparent silicone Master-Batch, vulcanizing after heating following addition of a vulcanizing agent (chosen according to the transformation procedure).

IOTA HCR 345 U is a very transparent silicone heat-curing elastomer which vulcanizes after the addition of a vulcanizing agent selected in accordance with the transformation process.

IOTA HCR 240 U is a silicone master batch, vulcanizing under heat after addition of a vulcanizing agent (chosen according to the ransformation method).

IOTA HCR 180 U is a silicone master batch, vulcanizing under heat after addition of a vulcanizing agent (chosen according to the vulcanizing process).

IOTA HCR 175 U is a silicone master batch, vulcanizing under heat after addition of a vulcanizing agent (chosen according to the vulcanizing process).

IOTA HCR 160 U is a silicone master-batch, vulcanizing under heat after addition of a vulcanizing agent (chosen according to the transformation procedure).

IOTA HCR 135 U is a silicone master-batch, vulcanizing under heat after addition of a vulcanizing agent (chosen according to the transformation procedure).