Discuss the physical, chemical, and mechanical properties of PMMA compared to polystyrene
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PMMA and PS are both clear, noncrystalline materials that are extensively used when clarity is important. PMMA has much better clarity retention and weatherability. PS will yellow readily and embrittle. PMMA and PS are both brittle, although PMMA is somewhat stronger. Both materials are solvent sensitive with PS being much more sensitive to aromatic solvents.
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