Flat sling we jɔs tu shɔt fɔ sɔm fit kin mek di wok we dɛn de du fɔ es di es go stɔp. Di tin we yu tink bɔt wantɛm wantɛm: wetin mek yu nɔ jɔs jɔyn tu sling dɛn togɛda? Di prɔsis fɔ kɔnɛkt sling na kɔmɔn tin, bɔt akɔdin to OSHA 1910.184(c)(2) ɛn ASME B30.9, sling nɔ fɔ shɔt ɔ lɔng bay we dɛn knot ɔ twist, ɔ jɔyn bay we dɛn knot .
Sling we dɛn kin es kin gɛt wan patikyula kɔlɔ—bɔt da kɔlɔ de nɔto jɔs fɔ mek pɔsin fayn. Akɔdin to EN 1492-1 (flat wɛb sling) ɛn EN 1492-2 (raun sling), ɛni kɔlɔ kɔrɛkt to wan patikyula Wok Lod Limit (WLL) , we de mek dɛn ebul fɔ no di kapasiti kwik ɛn izi na di say we dɛn de du di wok .
Wan rawnd sling nɔ kin kam wit di de we dɛn kin dɔn stamp pan in lɛbl—bɔt dat nɔ min se i kin las sote go. Akɔdin to EN 1492-2, dɛn dɔn spɛsifa di Yuropian standad fɔ rawndsling, di wok lod limit (WLL) ɛn sefty factor, bɔt di savis layf dipen pan di aktual yus kɔndishɔn. Sɔm manifakta dɛn kin tɔk se di maksimam layfspan fɔ 10 ia frɔm di fɔs tɛm we dɛn yuz am ɔnda fayn kɔndishɔn.
Fɔ pik bitwin wan polyɛsta flat sling ɛn wan naylon flat sling nɔto tin fɔ se wan 'bɛtɛ' pas di ɔda wan—i dipen ɔl pan di aplikeshɔn ɛnvayrɔmɛnt. di tu mεtirial dεm de sheb di sem wok lod limit εn tεmprachכ rεnj (-40°C to 100°C) כnda EN 1492-1 , bכt dεn difrεn bכku pan εlongeshכn, kεmikכl rεsistεns, εn mכsichכ rεspכns. Naylon de strɛch 6–10% pan rayt lod ɛn i de rɛsist alkali bɔt i de pwɛl bay asid . poliεsta de strεch כnli 3–4% εn i de rεsist asid bכt i de pwεl bay alkali . Dis gayd de gi wan ditayl kɔmpiashɔn fɔ ɛp injinia ɛn riging pɔshɔnal dɛn fɔ pik di rayt flat sling matirial fɔ dɛn patikyula opareshɔn kɔndishɔn dɛn.