V-malamba amatchedwanso V-lamba trapezoidal mu gawo mtanda. Today ife kuyang'ana thumba lamba nsalu lamba dongosolo. The nsalu lamba wosanjikiza ntchito V ndi odzipereka mkulu-limbikitsa katundu ikulendewera pulasitiki chinsalu, psinjika wosanjikiza ndi wosanjikiza kusankha kugonjetsedwa kupinda elongation, chabwino kutopa kulimbikira mphira, nsalu tepi amphamvu wosanjikiza mkulu-mphamvu poliyesitala chingwe. Amene amakhala ndi kukana kuti katundu mantha, Phokoso ndipo avale mkulu ndi otsika elongation, kufala mphamvu ndi durability. Ichi ndi phukusi kapangidwe ndi makhalidwe a tepi nsalu. General paketi nsalu lamba atengere kutentha -18 ℃ 90 ℃ ndi lamba PIX / Sankhani kudzera Chinsinsi wapadera akhoza kusinthidwa kuti kutentha kwa -25 ℃ 100 ℃.