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Malamalama i le Pa'u II: Pa'u Fa'alenatura(NR)

2025-08-05

O le pa'u masani o se polymer masani e maua mai le latex o le la'au o le Hevea brasiliensis. E faia i se mea e fa'apipi'i ai le pa'u e ala i faiga e pei o le fa'aputuina ma le fa'amagoina. O lona vaega autū o le cis-1,4-polyisoprene (e 91% i le 94%), ae o isi o mea e le o ni pa'u e pei o porotini ma ga'o.

Ata pa'u masani 1.png

Uiga Autū:

  1. Meatotino Faaletino:

(1) Maualuga le malosi e tete'e atu ai i le ofuina: E maualuga le malosi e toso ai (16.7 - 34.3 MPa), e mafai ona o'o atu le fua fa'aumiumi i le 650% - 900%, ma e sili ona lelei le malosi e toe fa'aleleia ai (70% - 95%)

(2) Fetuuna'iga o le vevela: O le vevela o le galuega i se taimi umi: -55 i le +70. Onosa'i mo se taimi pu'upu'u: e o'o atu i le 100. Tulaga maaleale i le vevela maualalo: pe tusa ma le -50.

(3) Puipuiga eletise: Fa'atinoga sili ona lelei o le puipuiga, talafeagai mo uaea ma uaea

  1. Vaivaiga Fa'akemikolo:

(1) E le lelei le tete'e atu i le suāuu: E faigofie ona fulafula i le suāuu minerale ma le penisini (fuainumera o le fulafula: 80% - 300%)

(2) Tete'e le lelei i le matua: E faigofie ona a'afia i le ozone, ave ultraviolet ma le vevela maualuga, ma e mana'omia ai le fa'aopoopoina o vaila'au e tete'e ai i le matua.

(3) Tete'e fa'atapula'aina i 'āsi ma alkalis: E mafai ona talia 'āsi vaivai, ae o 'āsi malolosi (e pei o le hydrochloric acid ma le nitric acid) e matuā 'ā'ai.

  1. Fa'aoga autu:

(1) Pa'u ta'avale (e silia ma le 70%), paipa pa'u, fusipa'u felaua'i, mea e mitiia ai le te'i, ma isi vaega o le avega fa'a-dynamic load

(2) Seevae pa'u, totigilima faafoma'i (e mana'omia ona suia e fa'amalosia ai le tete'e atu i le tau)

4. Ituaiga oloa: O-mama, oloa fa'apitoa mo tagata fa'atau, Gaskets Pa'u / Fa'amaufa'ailoga Mafolafola / Spacer Pa'u / Mama Pa'u Fufulu ma isi.