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How do manufacturers ensure that the trash can is resistant to damage from freezing and thawing cycles?
Manufacturers employ several strategies to ensure trash cans remain durable through freezing and thawing cycles, which can cause cracks and warping in low-quality materials.
1. Material Selection: High-density polyethylene (HDPE) or reinforced polypropylene is commonly used due to their flexibility and resistance to temperature extremes. These materials expand and contract without cracking.
2. Thick-Walled Construction: Heavy-duty bins feature thicker walls to absorb stress from ice formation, preventing splits during freeze-thaw transitions.
3. UV Stabilizers: Added to plastics, these prevent brittleness caused by prolonged sun exposure, which can worsen freeze damage.
4. Ventilation Design: Some models include small vents to reduce moisture buildup, minimizing ice expansion inside the bin.
5. Impact-Resistant Coatings: Special finishes enhance surface durability against ice-related abrasion.
6. Rigorous Testing: Manufacturers simulate extreme weather cycles to verify longevity before market release.
By combining these techniques, modern trash cans maintain structural integrity even in subzero climates, offering reliable performance year-round.
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