… (used, for example, in neon signs) under the action of high voltage discharges. (1) Helium (non‑inflammable, used, … (e.g., tellurium‑lead alloys), and also as a vulcanising agent. (5) Silicon . Silicon is obtained almost …
… into the hide structure and form crosslinks with the collagen. This is an irreversible chemical reaction, which gives the resultant product stability against heat, light or perspiration and makes a hide or skin …