Qhov hnyav ntawmXim av kraft daim ntawv,ntsuas hauv grams ib square Meter (GSM), cuam tshuam rau nws lub zog, durability, thiab haum rau ntau yam ntawm qhov hnyav uas cuam tshuam rau nws siv:
Lub teeb yuag (100-130 gsm)
Cov yam ntxwv:Thinner thiab hloov tau yooj yim, nrog cov kua muag qis dua .
Cov Ntawv Thov:Haum rau kev hnav ris tsho ntim cov hnab ntawv, cov hnab ntim khoom, thiab qhwv cov khoom lag luam tseem ceeb rau cov khoom siv kom zoo nkauj lossis cov khoom sab hauv hauv ntim.
Nruab nrab-hnyav (175-250 gsm)
Cov yam ntxwv:Muab ib qho kev sib npaug zoo ntawm lub zog thiab yoog raws li .
Cov Ntawv Thov:Qhov zoo tshaj plaws rau cov khoom siv ruaj khov uas siv tau zoo li cov hnab ntim khoom, thiab siv cov ntawv hnyav dua thiab tuaj yeem siv ntau dua cov khoom siv nruj heev thaum tseem ua rau lub cev sib tw.
Hnyav-hnyav (300-450 gsm)
Cov yam ntxwv:Thicker, muaj zog dua, thiab ntau dua rigid, nrog lub kua muag zoo tshaj .
Cov Ntawv Thov:Zoo tshaj plaws rau kev ntim khoom hnyav xws li cov thawv corrugated, thiab cov khoom siv hluav taws xob hnyav, thiab lub zog ruaj khov thiab lub zog tseem ceeb heev {}
Hnyav hnyav hnyav (450 gsm thiab saum toj no)
Cov yam ntxwv:Kawg chrable thiab kua muag-resistant, nrog qib siab ntawm rigidity .
Cov Ntawv Thov:Siv rau cov khoom siv hnyav heev thiab cov khoom siv ntim cov khoom hnyav uas yuav tsum tau tsim nyog rau kev siv cov khoom siv hnyav lossis tsis muaj kev tiv thaiv kev thauj mus los thiab cia.
