Views: 0 Author: Site Editor A chhuah hun: 2026-03-27 A chhuahna: Hmun
Strapping emaw film materials thlangtu packaging professional tan chuan moisture barrier performance hi ngaihtuah tur pawimawh tak a ni thei. Thil siamte chu hmun lum takah dah emaw, climate zone hrang hranga thawn chhuah emaw, moisture-sensitive goods-a dah emaw chuan moisture chhuah lohna tur packaging a ngai a ni. Hei hian zawhna awmze nei tak a siam a: PP strap hi PET aiin moisture barrier atan a tha zawk em? Water vapor transmission rates tehkhin chuan data atanga a lan dan chuan oriented polypropylene (OPP) film hian PET thickness tlukpui aiin moisture barrier performance a let 5.4 velin a tha zawk a ni. Heng material danglamna hriatthiamna hian procurement professional-te chu an hmanna bik atana packaging material dik tak thlan nan a pui thin.
-ah hian Jushuo Packaging he zawhna hi buyers evaluating te hnen atangin kan dawng fo thin PP strap . Moisture exposure ngaihtuahawmna hmuna hman tur Kan production data hian PP strap-a inherent moisture resistance—a non-polar molecular structure avanga lo awm—chuan pawn lama dahna, agriculture, leh humid-environment-a hmanna atan a tha hle tih a nemnghet a ni.
Test data tihchhuah tawhte hian moisture barrier zawhna chhanna chiang tak a pe a ni. PET leh oriented polypropylene (OPP) film thickness inang tehkhin independent testing atanga a lan dan chuan BOPP hian water vapor barrier performance a sang zawk hle a ni :
| Bungrua | Tui hnim hring chhuahna rate (WVTR) | Oxygen inthlak danglamna rate (OTR) 1.1. |
|---|---|---|
| PET Film siam a ni | 18.07 g/(m²·24h) a ni. | A rilru a buai em em a, a rilru a hah em em bawk a. 28.01 cm³/(m²·24h·0.1MPa) |
| BOPP Film a ni | 3.36 g/(m²·24h) a ni. | 651.60 cm³/(m²·24h·0.1MPa) a ni. |
Data atanga a lan dan chuan BOPP hian water vapor transmission rate hi PET aiin a let 5.4 velin a hniam zawk a, hei hian moisture barrier performance tha zawk a lantir chiang hle. Industry source-te chuan oriented polypropylene-a moisture barrier hi PET’s aiin a let 3 velin a tha zawk tih an nemnghet . Water vapor barrier property danglamna hi polymer molecular polarity inang lo vang a ni .
PET nena khaikhin chuan PP-a moisture barrier sang zawk hi polymer chemistry nen a inzawm a ni. PP hi non-polar hydrocarbon polymer a ni a, tui molecule nena affinity hniam tak a nei a, chu chuan moisture permeability a ti hniam zawk a ni. PET hian ester group polarity sang zawk a nei a, chu chuan tui molecule te polymer structure kal tlang theihna tur interaction site tam zawk a siam a ni .
Packaging science literature atanga a lan dan chuan PP ang polyolefins te hi hydrophobic nature leh water molecule diffusion atana free volume hniam zawk avangin PET ang polyesters te aiin water vapor barrier performance hi a pianphungah a tha zawk a ni.
PP hian moisture barrier angin a tha zawk laiin, PET hian a thatna danglam tak a pe a, chu chu oxygen barrier tha zawk a ni. Test data ang chiah hian PET-a oxygen transmission rate chu BOPP’s aiin a let 23 velin a hniam zawk tih a tarlang bawk . Hei hian PET hi oxygen lut tur ngaihtuah berna hmuna hmanna atana duhthlanna duh ber a siam a—chu chu ei tur packaging-a shelf life rei tak mamawh ang chi te hi a ni.
| Property | PP (BOPP) | PET | hlawkna tur a ni |
|---|---|---|---|
| A rilru a buai em em a, a rilru a hah em em bawk a. | A tha hle (~3.36 g/m²·24h) | A hniam lam (~18.07 g/m²·24h) a ni. | PP (5.4× a tha zawk) |
| Oxygen Barrier (OTR) hmanga siam chhuah a ni. | Mi rethei (~651.60 cm³/m²·24h) te hi an ni. | A tha hle mai (~28.01 cm³/m²·24h) | PET (23× a tha zawk) |
He moisture leh oxygen barrier inzawmna inverse hi polymer packaging science-a thil thleng hriat lar tak a ni—material hrang hrangte hian barrier venhimna chi hrang hrangah an thiam hle.

PP strap hmanna tam zawkah chuan moisture barrier hi thlan dan hmasa ber a ni lo. Strapping hi a tlangpuiin load secure nan hman a ni a, protective packaging pek ai chuan. Mahse, thil engemaw takah chuan moisture resistance hi a pawimawh ta hle a ni:
Pawn lama dahna: PP strap-a inherent moisture resistance hian humid emaw wet condition-ah pawh performance a vawng reng thei a ni
Cold chain hman dan: Condensation atanga tui lo chhuak hian strap tension leh integrity a nghawng thei
Agricultural packaging: Hay, cotton leh agriculture thil dangte hi pawnah dah a ni fo
Jushuo Packaging-a PP strap hian a material property-ah hian inherent moisture resistance a pe a, hei hian heng application harsa tak tak atan hian a tha hle.
Strapping materials thlangtu packaging professional te tan chuan:
| Thil mamawh | Recommended Material | Reason |
|---|---|---|
| Packed goods te tan moisture venhimna a ni | PP strap (strap chauh a nih chuan) emaw PP film emaw a ni thei | Moisture barrier tha zawk a ni |
| Oxygen sensitive thil (ei leh in, damdawi) . | PET strap emaw PET film emaw hmanga siam a ni | Oxygen barrier tha zawk a ni |
| Heavy load security leh pawn lama dahna tur a awm bawk | PP strap emaw PET strap emaw hmanga siam a ni | An pahnih hian moisture resistance tha tak an pe a |
Moisture barrier atan PET aiin PP hi a tha zawk em? Data hian a nemnghet: a ni, PP hian moisture barrier performance tha zawk a pe a ni. BOPP film-a water vapor transmission rate hi PET aiin a let 5.4 velin a hniam zawk a, hei vang hian PP hi moisture protection mamawhna application-ah chuan hnehtu chiang tak a ni. Mahse, barrier picture hi a nuanced zawk: PET hi oxygen barrier angin a tha zawk a, PP aiin a performance chu a let 23 velin a tha zawk.
Strapping application atan chuan moisture barrier hi a tlangpuiin primary selection criterion a ni lo va, mahse PP-a inherent moisture resistance—a non-polar hydrocarbon structure avanga lo awm—chuan pawn lama dahna, agricultural, leh humid-environment application atan a tha hle. PP leh PET strap i thlan dawnin hman dan tur kimchang ngaihtuah la: moisture exposure, load weight, leh oxygen barrier te pawh ngaihtuah tur a ni em tih te.
Jushuo Packaging hian PP strap solution kimchang tak a pe a, inherent moisture resistance hmangin application mamawh tak tak a pe bawk. Kum khata ton 20,000 siam theihna kan PP production line 5 te hian specification zawng zawngah quality mumal tak a siam a ni. Client te chu application mamawh dan azira material thlan hmangin kan support a, chutah chuan moisture exposure assessment pawh a tel.
I moisture-sensitive application atana strapping material dik thlan tura tanpuina i mamawh chuan email thawn tur a ni sales@jushuopackaging.com , leh kan professional team te chuan mi pakhatin min pui dawn a ni.
SpecialChem. 'Oriented Polypropylene (OPP)-a remchang awmte – Material Properties tehkhin dan.' SpecialChem.com , 2025.
Toray Industries te chuan an ti a. 'Biaxially Oriented Polypropylene Film – Technical Data Sheet.' A rilru a hah lutuk chuan a rilru a buai em em a, a rilru a hah lutuk chuan a rilru a buai em em bawk a .
ASTM International a ni. 'ASTM F1249 – Plastic Film hmanga Tui Vapor Transmission Rate tehna Standard Test Method.' ASTM.org , 2020.
European Committee-in Standardization a siam a ni. 'EN 13394:2001 – Packaging – Strapping – Polypropylene Strapping atana thil chi hrang hrang.' CEN.eu , 2001.
International Organization for Standardization chuan a ti a. 'ISO 9001:2015 – Quality Management Systems – Thil tulte.' ISO.org , 2015. A rilru a hah lutuk chuan a rilru a buai em em a.