Polyester vs. Naylon Flat Slings: Kεmikכl Rεsistεns εn Elongεshכn Profayl dεm

Wan kemikal plant nid flat sling fɔ es stenlɛs stiɛl kɔmpɔnɛnt dɛn na say usay asid fum de. Wan ples fɔ mek di si nid sling we go ebul fɔ handle haydrolik ɔyl ɛn di wata we de na di si. Dɛn tu opareshɔn dɛn ya nid fɔ gɛt sɛntetik flat sling dɛn—bɔt di rayt tin we dɛn kin pik difrɛn fɔ ɛni wan pan dɛn.

Lishenflex dɔn de mek sintetik flat sling fɔ pas tu dikɔs, ɛn wan kwɛstyɔn we wi kin yɛri bɔku tɛm na: Polistɛr ɔ naylon—udat na di bɛst tin fɔ pik? Di ansa nɔ kin rili simpul. Akɔdin to Wikipidia in ɛntri pan polyɛsta , polyɛsta na wan kategori fɔ polima dɛn we dɛn valyu fɔ in durabiliti, kemikal rɛsistɛns, ɛn lɔw mɔstɔ absɔpshɔn. Wikipedia ’s entry on nylon explein se naylon na valyu fɔ in trɛnk, elasticity, ɛn abrasion resistance. Dɛn tu tin ya kin mek fayn fayn sling dɛn fɔ es, bɔt dɛn nɔ kin chenj dɛn . bin tɔk se Di Kanada Sɛntral fɔ Ɔkupeshɔn Ɛlth ɛn Sɛfty (CCOHS) , naylon sling dɛn kin pwɛl bikɔs ɔf asid bɔt dɛn nɔ kin gɛt alkali, ɛn di poliɛsta sling dɛn kin pwɛl bikɔs ɔf alkali bɔt dɛn nɔ kin gɛt asid . Di men tin na fɔ mek di matirial mach wit di envayrɔmɛnt.

Kεmikכl Rεsistεns: Di Kritikal Sefty Difrεns

Di impɔtant tin we difrɛns bitwin polyɛsta ɛn naylon flat sling na di we aw dɛn kin kɔmpit wit kemikal . If yu pik di rɔng tin fɔ mek kemikal ɛnvayrɔmɛnt, dat kin mek yu nɔ wok bad bad wan—bɔku tɛm dɛn nɔ kin wɔn yu we yu go si.

Akɔdin to Liftex in matirial kɔmpiashɔn gayd , di ki kemikal rɛsistɛns difrɛns na :

Di say we dɛn pul am: Liftex; CCOHS, ɛn di ɔda wan dɛn; SƐRTƐKS Denmak

CCOHS kכnfכm se naylon de sכbjεkt to dεgradashכn in asid dεm we de frכm nכn to tכtal dεgradashכn, we polyεsta de rεsist to plεnti asid bכt i de damej bay alkali . CERTEX Denmark ad se sɔlvushɔn dɛn we gɛt asid ɔ alkali we nɔ de du bad we dɛn nɔ bɔku kin kɔnsɛntret tru di evapɔreshɔn ɛn mek dɛn pwɛl .

Kritikal sefty wɔnin : Bɔku tɛm di kemikal dɛn we de pwɛl di sintetik sling dɛn dɛn nɔ kin si . di fayv dεm de wik insay we di sling de sho nכmal pan di sכfa. bin tɔk se Empire Rigging , bɔku tɛm, pipul dɛn nɔ kin si di kemikal dɛn we kin pwɛl—di fayv dɛn kin wik insay di sling we di sling kin luk lɛk se i nɔmal na do, na dat mek fɔ no di say we yu de impɔtant bifo yu pik di tin we yu want fɔ yuz .

Envayrɔmɛnt dɛn we gɛt Asid—Pik Polistɛr

We yu de lif na say dɛn we asid de—kemikal plant, batri mek, mɛtal finish, pepa mil— polyɛsta na di kɔrɛkt tin fɔ pik. Naylon, difrɛn frɔm dat, na asid dɛn kin pwɛl am. Mazzella Companies notis se naylon kin pwɛl insay asid dɛn we kin pwɛl frɔm smɔl to tɔtal, we polyɛsta nɔ kin pwɛl bɔku asid dɛn . Di NSRP Ship Production Rigging Guide wɔn se haydroklɔrik ɛn sɔlfɔrik asid, ivin we dɛn dɔn diluted, kin mek di naylon lɔs bɔku trɛnk .

Alkali Envayrɔmɛnt dɛn—Pik Naylon

We yu de lif na say dɛn we gɛt alkali—kɔstik klin sɔlvushɔn, kɔnkrit mek, sɔm kemikal prɔsesin— naylon na di bɛtɛ tin fɔ pik. Polyester kin pwɛl bay alkali, we naylon nɔ kin gɛt ɛnitin fɔ du wit di ifɛkt we alkali gɛt . Di UNIROPE fiber properties guide notis se naylon gɛt gud resistans to aldehydes, hydrocarbons, ethers, ɛn sɔm alkali .

Elongation Profiles: Stret Ɔnda Lod

Di sɛkɔn big difrɛns bitwin polyɛsta ɛn naylon flat sling na di lɔng we di sling kin strɛch —aw di sling kin strɛch we dɛn lod am.

Liftex de gi di fכlכw elongeshכn data :

Di say we dɛn pul am: Liftex; YUNIRƆP

Polyester—Prɛsishɔn ɛn Stebiliti

Polyester in lכw elongeshכn (3–4% pan rated lod) de mek am di prεfrεd chכys fכ :

• Prɛsis lod pozishɔn —minimal strɛch min bɛtɛ kɔntrol

• Low-headroom applications —lɛs vertikal spɛs we dɛn kin yuz we dɛn de lif

• Lod dɛn we nɔ kin ebul fɔ bia fɔ bounce ɔ swing

• Opareshɔn dɛn we nid fɔ stebul, prɛdiktibɛl liftin

Empire Rigging gi wan prɛktikal ɛgzampul: we yu es 20 fut lod wit naylon sling we de strɛch 10%, dat kin mek i lɔng lɛk tu fit so, we wan polyɛsta sling go strɛch lɛk sɛvin inch nɔmɔ . Insay tayt ples dɛn we de ɔp, da difrɛns de impɔtant.

Naylon—Shok Absɔpshɔn ɛn 'Fɔgivnɛs'.

Naylon in hכy elongeshכn (6–10% pan rεt lod) de gi :

• Shok absכpshכn —di mεtirial 'gi' bifo i tek ful fכs

• Dynamic loading tolerance —i bɛtɛ fɔ lod dɛn we de shift we dɛn de lif

• Fɔgiv fɔ di hadwɔd we nɔ de ɔltɛm —naylon kin fɔgiv mɔ if dɛn put am pan bɔnch ɛn put am oba di hadwɔd shep dɛn we nɔ de ɔltɛm

• Enhanced operator safety margin —di strɛch de absɔb lod dɛn we kin kam wantɛm wantɛm

Akɔdin to Liftex , naylon in ay strɛch de akt lɛk shɔk absɔba, we de mek am di prɛferɛd choice we lod kin shift ɔ we dinamik lod na sɔntin we de mɔna .

Mɔstɔ ɛn UV Rispɔns

Di Ifɛkt dɛn we di Mɔstɔ De Du

Naylon na hygroscopic —i de tek di wata we de na di envayrɔmɛnt. Akɔdin to di NSRP Ship Production Rigging Guide , naylon de lɔs 15% pan in trɛnk we i wet . Liftex ɛn CCOHS kɔnfɔm dis, notis se naylon sling kin lɔs 10–15% kapasiti we i wet . Strɔng kin kam bak we i dray, bɔt dɛn nɔ fɔ yuz di sling na di rayt kapasiti we i wet.

Polista nɔ de absɔb wata ɛn i nɔ de lɔs ɛni trɛnk we i wet . Dis de mek polyɛsta na di tin we dɛn kin pik fɔ :

• Marin ɛn ɔfsho aplikeshɔn dɛn

• Lift dɛn we de na do we wet wet

• Envayrɔmɛnt dɛn we gɛt ay humidity

CERTEX Denmark notis se Dyneema® nɔ de absɔb wata, i nɔ tan lɛk ɔda tin dɛn lɛk polyester ɛn polyamide .

UV Resistans fɔ mek yu nɔ ebul fɔ du am

Polyester de gi yu supiriɔs UV resistans we yu kɔmpia am wit naylon . UV rayt ɛn san layt kin afɛkt di naylon fayv dɛn, ɛn dis kin mek dɛn nɔ gɛt bɔku trɛnk as tɛm de go . Mazzella Companies de wɔn se di say dɛn we dɛn kin kɔntinyu fɔ put sɛntetik wɛb sling dɛn pan ɔlta-vayolɛt layt kin afɛkt di trɛnk we sɛntetik wɛb gɛt difrɛn difrɛn digri dɛn, frɔm smɔl to tɔtal pwɛl pwɛl, ɛn di pwɛl pwɛl we dɛn kin pwɛl kin bɔku . Fɔ sling dɛn we dɛn kin yuz na do ɔ we di san de shayn dairekt wan, na polyɛsta na di tin we dɛn kin pik fɔ lɔng tɛm.

Di Tɛmpratura Limit dɛn

Ɔnda EN 1492-1 , ɔl tu di polyɛsta ɛn naylon flat sling dɛn fayn fɔ yuz ɛn stɔrɔj ​​na di tɛmpracha rɛnj -40°C to 100°C . Dis kin apin to ɔl tu di tin dɛn we dɛn yuz. Bɔt Empire Rigging notis wan prɛktikal difrɛns pan di limit we dɛn kin kɔntinyu fɔ yuz am: dɛn rayt naylon te i rich 194°F (90°C), ɛn dɛn rayt polyɛsta te i rich 180°F (82°C)—we smɔl smɔl . Apat frɔm dɛn tɛmpracha ya, di tin dɛn kin bigin fɔ lɔs trɛnk.

Kritikal notis : Insay kemikal ɛnvayrɔmɛnt, dɛn tɛmpracha rɛnj ya kin difrɛn, ɛn dɛn fɔ aks di pɔsin we de gi dɛn advays .

Identification: Aw fɔ Tɛl Polistɛr frɔm Naylon

ASME B30.9 ɛn WSDA-WS-1 nid fɔ mek ɛvri wɛb sling gɛt wan tag we dɛn ataya fɔ ɔltɛm we de sho di matirial . Apat frɔm dat, polyɛsta sling dɛn gɛt blu layn we dɛn wev insay di wɛb —if yu si di blu layn, na poliɛsta . Naylon sling nɔ gɛt dis layn fɔ no pɔsin. Di kala-kɔdin sistem ɔnda EN 1492-1 de aplay to ɔl tu di matirial dɛn ikwal.

Selekshɔn Gayd

Sɔmari ɛn Praktikal Rikɔmɛndishɔn dɛn

Polistɛ ɛn naylon flat sling dɛn ɔl tu de gi fayn fayn trɛnk ɛn dɛn kin te, bɔt dɛn nɔ kin chenj dɛn . If yu pik di rɔng tin fɔ yu envayrɔmɛnt, dat kin mek yu nɔ pwɛl ayd ɛn yu nɔ go ebul fɔ du am wantɛm wantɛm.

Ki tin dɛn we yu kin tek fɔ tek:

1. Asid envayrɔmɛnt = Polyester —naylon de pwɛl bay asid

2. Alkali envayrɔmɛnt = Naylon —polyester de damej bay alkali

3. Prɛsishɔn lif = Polyester —lɔ ɛlongeshɔn de gi kɔntrol

4. Dynamic loads = Naylon —we strɛch we ay pasmak de absɔb shɔk dɛn

5. Outdoor/wet = Polyester —I nɔ de mek UV ɛn i nɔ de mek wata

6. Chek di blu layn —pɔliɛsta sling dɛn gɛt blu traysa layn; naylon nɔ de du dat

7. Ɔltɛm verify di tag —ASME B30.9 nid fɔ gɛt matirial aydentifikeshɔn pan di sling tag

Lishenflex de mek ɔl tu di polyɛsta ɛn naylon flat sling dɛn to EN 1492-1 ɛn ASME B30.9 standad, wit klia matirial aydentifikeshɔn ɛn kala-kɔd kapasiti mak dɛn. Wi de gi gayd fɔ pik matirial bay yu spɛshal kemikal ɛnvayrɔmɛnt ɛn aplikeshɔn rikwaymɛnt dɛn.

If yu nid ɛp fɔ no if polyɛsta ɔ naylon na di rayt tin fɔ yu liftin ɔpreshɔn—ɔ nid ɛp fɔ no di rayt sling fɔ say we gɛt kemikal—duya sɛn imel to sales@lishenflex.com , ɛn wi tɛknikal tim go gi wan-to-wan sɔpɔt.