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How do manufacturers test the impact resistance of plastic trash cans against accidental drops or hits?
Manufacturers rigorously test the impact resistance of plastic trash cans to ensure they withstand accidental drops or hits. One common method is the drop test, where the trash can is filled to capacity and dropped from a specified height onto a hard surface. This simulates real-world scenarios like tipping over or rough handling during transportation.
Another approach involves pendulum impact testing, which measures the energy absorbed by the material when struck. Standards like ASTM D256 provide guidelines for evaluating the impact strength of plastics. Some manufacturers also use computer simulations (FEA) to predict stress points and optimize design before physical testing.
High-quality trash cans often undergo cyclic fatigue testing, where repeated impacts are applied to assess long-term durability. Materials like HDPE (high-density polyethylene) are favored for their inherent toughness and resistance to cracking.
By combining these methods, manufacturers ensure plastic trash cans meet industry standards and consumer expectations for durability.
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