{"id":13638,"date":"2025-04-30T12:30:40","date_gmt":"2025-04-30T10:30:40","guid":{"rendered":"https:\/\/rwlkwwtx9d.wpdns.site\/?p=13638"},"modified":"2025-05-15T14:59:27","modified_gmt":"2025-05-15T12:59:27","slug":"vyhody-plastovych-sacht","status":"publish","type":"post","link":"https:\/\/polieco.com\/sk\/vyhody-plastovych-sacht\/","title":{"rendered":"V\u00ddHODY PLASTOV\u00ddCH \u0160\u00c1CHT"},"content":{"rendered":"\n

Ako sme videli v predch\u00e1dzaj\u00facom \u010dl\u00e1nku, polyetyl\u00e9n m\u00e1 oproti in\u00fdm materi\u00e1lom pou\u017e\u00edvan\u00fdm v stavebn\u00edctve nieko\u013eko v\u00fdhod.<\/p>\n\n\n\n

Teraz chceme rozobra\u0165 vlastnosti r\u00far vyroben\u00fdch z polyetyl\u00e9nu<\/a>.<\/p>\n\n\n\n

V\u00ddBORN\u00c1 ODOLNOS\u0164 PROTI P\u00d4SOBENIU ODPADOV\u00ddCH V\u00d4D<\/p>\n\n\n\n

Vlastnosti chemickej odolnosti polyetyl\u00e9nu s\u00fa dobre zn\u00e1me. Okrem toho tento materi\u00e1l nepodlieha \u017eiadnym elektrochemick\u00fdm vplyvom, preto\u017ee je elektricky neutr\u00e1lny.<\/p>\n\n\n\n

M\u00f4\u017eeme teda tvrdi\u0165, \u017ee polyetyl\u00e9nov\u00e1 r\u00fara<\/a> netrp\u00ed p\u00f4soben\u00edm okolit\u00e9ho prostredia a naopak neuvo\u013e\u0148uje \u0161kodliv\u00e9 l\u00e1tky do \u017eivotn\u00e9ho prostredia.<\/p>\n\n\n\n

N\u00cdZKA HMOTNOS\u0164<\/p>\n\n\n\n

Dozvedeli sme sa, \u017ee plast m\u00e1 ni\u017e\u0161iu mern\u00fa hmotnos\u0165 ako cement, kamenina a zliatina, ktor\u00e9 sa be\u017ene pou\u017e\u00edvaj\u00fa pri v\u00fdrobe r\u00far. Zn\u00ed\u017een\u00e1\u00a0hmotnos\u0165\u00a0<\/strong>vlnitej r\u00fary s dvojitou stenou<\/strong><\/a>\u00a0z polyetyl\u00e9nu u\u013eah\u010duje tie\u017e manipul\u00e1ciu s v\u00fdrobkom na stavenisku, men\u0161ie priemery sa daj\u00fa jednoducho ru\u010dne umiestni\u0165 do v\u00fdkopu, \u010d\u00edm sa tie\u017e skracuje \u010das vykonania pr\u00e1c.<\/p>\n\n\n\n

ODOLNOS\u0164 PROTI OBRUSOVANIU<\/p>\n\n\n\n

Obrusovanie je jav, ktor\u00fd sa vyskytuje pri v\u0161etk\u00fdch typoch r\u00far. Doch\u00e1dza k nemu hlavne v spodnej \u010dasti trubice, ale miestne v\u00edrenia ju m\u00f4\u017eu roz\u0161\u00edri\u0165 na cel\u00fa stenu; tento jav nast\u00e1va tren\u00edm, drhnut\u00edm, valen\u00edm, br\u00fasen\u00edm (ako \u0165ahan\u00edm, tak aj v\u00edren\u00edm) alebo n\u00e1razom a s\u00fa t\u00fdm v\u00fdraznej\u0161ie, \u010d\u00edm je \u010dastica tvrd\u0161ia a nepravidelnej\u0161ia.<\/p>\n\n\n\n

Pokia\u013e ide o polyetyl\u00e9n, d\u00e1 sa tvrdi\u0165, \u017ee pri rovnak\u00fdch podmienkach m\u00e1 lep\u0161iu odolnos\u0165 proti obrusovaniu ako in\u00e9 materi\u00e1ly.<\/p>\n\n\n\n

GARANCIA KVALITY V \u010cASE<\/p>\n\n\n\n

Odolnos\u0165 proti obrusovaniu a proti chemick\u00fdm \u010dinidl\u00e1m sp\u00f4sob\u00ed to,\u017ee\u00a0polyetyl\u00e9nov\u00e9 r\u00fary<\/a>\u00a0vydr\u017eia dlh\u0161\u00ed \u010das oproti in\u00fdm potrubiam pred\u00e1van\u00fdm na trhu.<\/p>\n\n\n\n

Toto predpoklad\u00e1 aj menej \u00fadr\u017eb\u00e1rskych pr\u00e1c, a z\u00e1kazn\u00edk t\u00fdm u\u0161etr\u00ed peniaze i \u010das.<\/p>\n\n\n\n

 <\/p>\n\n\n\n

R\u00daRY PRE KANALIZA\u010cN\u00c9 SIETE<\/a>                            DREN\u00c1\u017dNE R\u00daRY<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Ako sme videli v predch\u00e1dzaj\u00facom \u010dl\u00e1nku, polyetyl\u00e9n m\u00e1 oproti in\u00fdm materi\u00e1lom pou\u017e\u00edvan\u00fdm v stavebn\u00edctve nieko\u013eko v\u00fdhod. Teraz chceme rozobra\u0165 vlastnosti […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[203],"tags":[],"class_list":["post-13638","post","type-post","status-publish","format-standard","hentry","category-kanalizacne-siete"],"acf":[],"yoast_head":"\nV\u00ddHODY PLASTOV\u00ddCH \u0160\u00c1CHT - Polieco Industrie MPB<\/title>\n<meta name=\"description\" content=\"V\u00fdhody polyetyl\u00e9nu s\u00fa dobre zn\u00e1me. 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