SOT vs RPT Lids: Structural & Environmental Differences

The core difference: tab stays or separates—SOT keeps it on, RPT detaches it. Structurally, SOT has finer scoring and higher pressure resistance (650kPa+), ideal for carbonated drinks/beer; RPT has deeper scoring, lower opening force, better for non-carbonated beverages. Environmentally, SOT is zero-waste and recyclable (EU/US compliant); RPT tabs cause litter, raising recycling costs. Choose based on pressure, regional eco-rules, and consumer habits.

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