Plastic cup lids rim hriat chhuah dan .

Thermos cup lids plastic rim hi plastic materials (PP, PC ang chi) hmanga volatile organic compound adsorption leh release atanga lo chhuak a ni ber a, chu chu thil lei thara awm thin emaw, high-temperature hman hnu emaw a ni. He harsatna chhanna atan hian removal method \\ha tak pali a \\ha: 1. Tui tuiah a inbual \\hin (40-50℃warm water circulation vawi 3-5, a vawi khatah minute 5) 2. Vinegar soaking method (vinegar dum leh tui chu ratio 1:3-a inhmeh, darkar 1-2 chhung dah) 3. Tea soaking method (tea stong darkar 12 chhung soaking, darkar 4 danah tui thlak); 4. Baking soda neutralization method (5g baking soda + 200ML tui minute 15 chhung soaking). Heng hmanrua te hi physical dissolution (tui tuiah a inbual), acidic decomposition (vinegar soaking), polyphenol adsorption (tea soaking) leh alkaline hmanga siam a ni.