PP-ka (polypropylene-ka) kpɔa ŋusẽ to ewɔwɔ ƒe mɔnu aɖe si woyɔna be molecule orientation me. Le ewɔwɔ me la, wokekea ka si woɖe do goe la le nɔnɔme siwo dzi wokpɔna me, si wɔnɛ be kɔsɔkɔsɔ siwo nye polymer la sɔna ɖe ka la ƒe didime nu.

Adzɔha sesẽwo ƒe nubablɛwo bia be woatsɔ ka si alé ɖe teteɖeanyi si nɔa anyi ɖaa me, si te ŋu nɔa te ɖe ʋuʋudedi nu, eye wònɔa agbe le gota nudzraɖoƒe kple atsiaƒu me mɔzɔzɔwo me. Wozãa PET ka (polyester ka) kple polyester ka siaa tsɔ léa agba ɖe te, gake woƒe dɔwɔwɔ to vovo kura. Polyester ka kekena le agba te, megate ŋu nɔa te ɖe enu o ne agbawo le ɖiɖim, eye wòvuvuna kabakaba ɖe ga ɖaɖɛwo ŋu.

PP strapping (polypropylene strapping) li le kekeme si woɖo ɖi me tso 5mm va ɖo 19mm, eye 9mm, 12mm, 15mm, kple 19mm nye lolome siwo wodzrana ɖo wu. Kekeme tiatia ye afia agba ƒe mama, gbagbã ƒe ŋusẽ, kple dɔwɔnuwo ƒe ɖekawɔwɔ. Ka siwo le gbadzaa wu (5–9mm) sɔ na kakɛ siwo me kɔ kple e-asitsatsa ƒe nubablɛwo, gake tiatia siwo keke wu (15–19mm) ya kpɔa pallet kpekpewo kple dɔwɔƒewo ƒe agbawo gbɔ. Mɔfiame sia ɖe kekeme siwo sɔ na PP strapping rolls, alesi kekeme kpɔa ŋusẽ ɖe dɔwɔwɔ dzii, kple alesi nàtia nɔnɔme nyuitɔ na wò dɔdamɔnua me.

PET strap (polyester strap) li le eƒe titrime siwo tso 0.4mm va ɖo 1.25mm, eye woƒe didime ɖesiaɖe sɔ ɖe agba tɔxɛ siwo hiã kple dɔwɔnu ƒomeviwo nu. Ka siwo le tsɛ wu (0.4–0.55mm) subɔa agba siwo le bɔbɔe wu le palletwo me kple woƒe bablawo katã, gake tiatia siwo le kpekpem wu (0.8–1.25mm) ya kpɔa gakpo ƒe ʋuƒo, kotoklobo ƒe ʋuƒo, kple dɔwɔƒewo ƒe dɔwɔwɔ siwo bia nu geɖe wu gbɔ.

PP strap (polypropylene strap) li le titrime siwo tso 0.35mm va ɖo 0.80mm me, eye woƒe didime ɖesiaɖe sɔ ɖe agba tɔxɛ siwo hiã kple dɔwɔnu ƒomeviwo nu. Ka siwo le tsɛ wu (0.35–0.45mm) subɔa kakɛ siwo me kɔ kple e-asitsatsa ƒe nubablɛwo, gake tiatia siwo le kpekpem wu (0.65–0.80mm) ya kpɔa pallet kpekpewo kple dɔwɔƒewo ƒe agbawo gbɔ. Titrime kpɔa ŋusẽ ɖe gbagbã ƒe ŋusẽ, nutrenu ƒe dɔwɔwɔ, kple mɔ̃ ƒe nuɖuɖu ƒe kakaɖedzi dzi tẽ. Mɔfiame sia ɖe titrime ƒe tiatia siwo sɔ na PP strap, alesi titrime do ƒome kple break force, kple alesi nàtia nɔnɔme nyuitɔ na wò dɔwɔwɔ me.

Nu veviwo ƒe didime le nusiwo woŋea aɖaba ƒua dzi wu dome ne nuƒlelawo tia PET ka (polyester ka) na kaƒoƒo le wo ɖokui si ƒe dɔwɔwɔwo. Ka si ɖo mɔ̃ɖaŋunudidiwo katã gbɔ—kekeme, titrime, kple eƒe gbagbãŋusẽ si sɔ—ahe nuɖuɖu ƒe kuxiwo vɛ kokoko ne eƒe nuto ƒe lolome mesɔ kple kaƒomɔ̃a ƒe ta nana o. Ele be nu vevi ƒe didime, agbalẽ xatsaxatsa ƒe kekeme, kple agbalẽ xatsaxatsa ƒe gota ƒe didime katã nasɔ kple mɔ̃a ƒe ʋuƒo kple eƒe ʋuʋu ƒe mɔ̃. Mɔfiame sia ɖe PET strap core dimensions, alesi wokpɔa ŋusẽ ɖe automatic strap head ƒe dɔwɔwɔ dzi, kple alesi woakpɔe ɖa be esɔ hafi aƒlee.

Tiatiawɔwɔ le PP strapping grades dome kpɔa ŋusẽ ɖe ɣeyiɣi didi ƒe dɔwɔwɔ dzi wu alesi nuƒlela akpa gãtɔ nyae. Polypropylene ƒe ka si me ʋuʋudedi le ŋutɔ—si wowɔ tso aŋɔ si ƒe ʋeʋẽme le eme le 0.60 kple 0.95 dl/g dome—na molecule kɔsɔkɔsɔ ƒe didime si nyo wu, si wɔnɛ be woƒe tensile ŋusẽ si lolo wu, woƒe ʋuʋu ƒe tsitretsitsi nyuie wu, kple dɔwɔwɔ ƒe nuléle ɖe te nyuie wu le ɣeyiɣi aɖe megbe. Standard-grade PP strapping ate ŋu awɔ dɔ nyuie na ɣeyiɣi kpui alo dɔ bɔbɔe ƒe dɔwɔwɔ gake ate ŋu abu tete kabakaba le agba si nɔa anyi ɖaa te. Nyati sia tsɔ dzesi eveawo siaa sɔ kple wo nɔewo le molecule ƒe wɔwɔme, mɔ̃ɖaŋununya ƒe nɔnɔme, kple dɔwɔwɔ ɣeyiɣi didi me be wòakpe ɖe nuƒlelawo ŋu woatia nɔnɔme nyuitɔ.

Tiatiawɔwɔ le PET ka (polyester ka) kple gakpo ƒe ka dome nye nyametsotso siwo dona tso eme wu le dɔwɔƒewo ƒe nubablɛwo me la dometɔ ɖeka. PET strap naa gazazã dzi ɖeɖe kpɔtɔ va ɖo 50% le afɔ ɖeka dzi, eɖea abixɔxɔ ƒe afɔkuwo ɖa tso go ɖaɖɛwo kple snap-back me, eye wònaa teteɖeanyi ƒe léle ɖe te nyuie wu ne agbawo le ɖiɖim le mɔzɔzɔ me. Ga ƒe kaƒoƒo naa agba sesẽwo sesẽna wu gake etsɔa gazazã ɣaɣla siwo dometɔ aɖewoe nye dɔwɔlawo ƒe hiahiã geɖe wu, ɖiƒoƒo gbeɖuɖɔ ƒe afɔkuwo, kple dɔwɔnuwo ƒe vuvu. Le dɔwɔƒewo ƒe nyatakakawo nu la, PET-ka naa fli ene ƒe fotoɖeɖe le tɔn ɖeka me ne wotsɔe sɔ kple gakpo, si trɔa gazazã ƒe sɔsɔme vevie.

PP strapping (polypropylene strapping) nye strapping nusi wozãna wu na kekeli va ɖo titina-dɔ babla dɔwo. Wotsɔ polypropylene resin wɔe to extrusion kple stretching mɔnuwo dzi, PP strapping ƒoa asitɔtrɔ le nɔnɔmewo ŋu, gazazã nyuie, kple zazã bɔbɔe nu ƒu. Le Signode, si nye kaƒomɔ̃wɔƒe xɔŋkɔ aɖe ƒe nya nu la, wotrɔ asi le PP kaƒoƒo ŋu na palletizing, unitizing, bundling, carton closure kple reinforcement

PET ka (polyester ka) li le kekeme siwo woɖo ɖi me tso 9mm va ɖo 32mm, kple lolome siwo bɔ siwo dometɔ aɖewoe nye 12mm, 16mm, 19mm, 25mm, kple 32mm. Kekeme tiatia kpɔa ŋusẽ ɖe gbagbã ƒe ŋusẽ, agba mama, kple dɔwɔnuwo ƒe ɖekawɔwɔ dzi tẽ. Zi geɖe la, 19mm PET ka naa gbagbãŋusẽ siwo nye 450–550kg, gake 25mm ka ate ŋu agbɔ 900kg—si gogo gakpo ƒe kaƒoƒo ƒe dɔwɔwɔ le kpekpeme kple ga si bɔbɔ ɖe anyi ŋutɔ me.