Letlapa la tropike la blister le foil e entsoeng ka serame ke lisebelisoa tsa ho paka tsa bongaka., ka kakaretso e bitsoa aluminium ea tropike le aluminium e batang. Litšepe tse sebelisoang ka tloaelo tsa aluminium li 1000 letoto 8000 letoto (8011 8021), le hoja bobeli ba tsona li sebelisetsoa ho paka meriana, empa li fapane haholo ka lintho tse bonahalang.

Aluminium ea tropike ke motsoako oa nylon le aluminium e hloekileng. Aluminium e batang e entsoe ka nylon, aluminium e hloekileng, le pvc. PA/AL e boetse e kopantsoe le sekhomaretsi. AL e hloka ho koaheloa ka sekhomaretsi (VC) ho koaheloa ka mocheso ka PVC, kahoo aluminium ea tropike e boetse e hlahisoa e le PA/AL/VC. Moriana o kenngoa ka har'a: PA/AL + PVC + PTP, 'me moriana o pakeng tsa bubble ea PVC le PTP.

Aluminium e batang: Lera le leng le le leng le kopantsoe le sekhomaretsi, mme sebopeho ke PA/AL/PVC. Ha u sebelisa, lera la PVC le tiisitsoe ka mocheso ka sekhomaretsi (VC) ho PTP; mokhoa oa ho paka meriana ke: PA/AL/PVC + PTP, 'me moriana o pakeng tsa foam ea PA/AL/PVC le PTP.

Phapang e kholo lipakeng tsa tse peli ke hore aluminium ea tropike e sebelisetsoa ho tiisa mocheso ka pvc, ha aluminium e batang e sebelisoa ka kotloloho ho tjhaja.