Ah, friend, in the factory here we see it clearly: addition polymers come from simple molecules adding like a chain, no byproduct—like the PVC pipes we make. Condensation gives off small molecules like water, linking units together. But you see, nylon 6,6 is called a condensation polymer, yes, yet in our plant, we handle its production and the real difference is in the smell and heat control, not just the book definition! I see workers sweating over the precise removal of that byproduct water to get the strong fiber—that daily struggle is the true difference for us.
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