Matumba a EVA Liner
Matumba a liner a EVA a matumba olokedwa nthawi zambiri amapangidwa ngati matumba a gusset am'mbali, mawonekedwe oblong, amakhala ndi ntchito yodzipatula, kusindikiza komanso kutsimikizira chinyezi. Chifukwa cha kapangidwe ka gusset kumbali, ikayikidwa mu thumba lakunja, imatha kukwanira bwino ndi thumba lakunja. Kuphatikiza apo, imatha kuyikidwa mu chosakaniza chamkati panthawi yosakaniza. Choncho zingathandize kuti njira yosakaniza mphira ikhale yosavuta komanso yoyera.
Tikhoza kupanga EVA liner matumba ndi komaliza kusungunuka mfundo ndi pamwamba 65 digiri Celsius, kutsegula pakamwa kukula 40-100cm, mbali gusset m'lifupi 10-30cm, kutalika 30-120cm, makulidwe 20-100micron.
