industrially, chain polydimethylsiloxane can be produced through the following reaction process: in the laboratory, the main agent and hardener are usually mixed evenly at a mass ratio of 10:1, and then vacuum is used to remove bubbles in the mixed solution. float to the surface and crack, then bake in an oven at 120 degrees for about an hour (different temperature and time parameters will produce pdms with different hardness).
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