Polyethylene Vapor Barrier
Nkọwa ngwaahịa
Ụlọ ọrụ anyị, Shanghai Yingfan Engineering Material Co., bụ otu n'ime ndị na-emepụta polyethylene water vapor barrier emepụta na China.Anyị na-ebunye ihe mgbochi polyethylene na-amaghị nwoke na-amaghị nwoke n'okpuru slab kọmpụta ma ọ bụ n'azụ bọọdụ ciment ma ọ bụ maka okpuru ulo ma ọ bụ mgbidi okpuru ulo.6mil / 9mil / 10mil / 20mil / mil ndị ọzọ nnukwu polyethylene vapor barriers dị na anyị ọkọnọ.
10 mil polyethylene vapor mgbochi
20 mil polyethylene vapor mgbochi
na-amaghị nwoke polyethylene vapor mgbochi
Ihe mgbochi polyethylene vapor barrier (nke e zoro aka na wiki)
Ihe mgbochi vapor (ma ọ bụ vapor barrier) bụ ihe ọ bụla a na-eji enyocha mmiri mmiri, ọ na-abụkarị plastik ma ọ bụ mpempe akwụkwọ foil, nke na-egbochi mgbasa nke mmiri site na mgbidi, ala, uko ụlọ, ma ọ bụ n'elu ụlọ nke ụlọ iji gbochie condenstitial condensition na nke nkwakọ.Na teknụzụ, ọtụtụ n'ime ihe ndị a bụ naanị vapor retarders n'ihi na ha nwere ogo dị iche iche nke permeability.
Akụrụngwa nwere ọnụego nnyefe ikuku mmiri (MVTR) nke emebere site na usoro nnwale ọkọlọtọ.Otu nkeji nkeji bụ g/m²·day ma ọ bụ g/100in²·day.Enwere ike ịkọ njedebe na perms, ihe nleba anya nke nnyefe nke ikuku mmiri site na ihe onwunwe (1.0 US perm = 1.0 grain/square-foot·hour·inch of mercury ≈ 57 SI perm = 57 ng/s·m2 · Pa ).Koodu ụlọ nke America ekewapụtala ndị na-azụ ikuku dị ka inwe ikuku mmiri nke 1 perm ma ọ bụ ihe na-erughị ya mgbe a nwalere ya dabere na ASTM E96 desiccant, ma ọ bụ usoro iko nkụ.[1]A na-ahazikarị ihe na-egbochi vepor dị ka:
Impermeable (≤1 US perm, ma ọ bụ ≤57 SI perm) - dị ka akwụkwọ kraft na-akwado asphalt, mkpuchi elastomeric, agba na-egbochi vapor, agba mmanụ, ihe mkpuchi mgbidi vinyl, polystyrene extruded, plywood, OSB;
Semi-permeable (1-10 US perm, ma ọ bụ 57-570 SI perm) - dị ka polystyrene gbasaa na-enweghị ihu, isocyanurate fiber chere ihu, akwụkwọ ụlọ nke nwere asphalt dị arọ, ụfọdụ eserese dabere na latex);
Permeable (> 10 US perm, ma ọ bụ> 570 SI perm) - dị ka bọọdụ gypsum na-enweghị ese na plasta, mkpuchi iko fiber na-enweghị ihu, mkpuchi cellulose, stucco a na-eseghị ese, sheathing ciment, polyolefin spunbonded ma ọ bụ ụfọdụ ihe nkiri mgbochi ikuku ikuku dabere na polymer.
Ihe mgbochi vapor polyethylene: nnukwu njupụta polyethylene vapor barrier
Anyị bụ onye a ma ama nke na-emepụta ihe mgbochi mmiri vapor polyethylene dị elu na China.Ike nke ngwaahịa anyị dị ala karịa ≤1.0 × 10-13 g•cm (cm2) • pa.Ya mere enwere ike ekewa ya dị ka ihe mgbochi vapor impermeable.Ogologo ndụ ya nwere ike ịdị ihe karịrị afọ 70 na ngwa a.Obosara nwere ike iru ihe karịrị 8m na ogologo nwere ike iru ihe karịrị 800m.
Nkọwapụta
Anyị bụ onye a ma ama nke na-emepụta ihe mgbochi mmiri vapor polyethylene dị elu na China.Ike nke ngwaahịa anyị dị ala karịa ≤1.0 × 10-13 g•cm (cm2) • pa.Ya mere enwere ike ekewa ya dị ka ihe mgbochi vapor impermeable.Ogologo ndụ ya nwere ike ịdị ihe karịrị afọ 70 na ngwa a.Obosara nwere ike iru ihe karịrị 8m na ogologo nwere ike iru ihe karịrị 800m.
elu njupụta polyethylene vapor mgbochi
ihe mgbochi vapor plastik n'azụ bọọdụ ciment
polyethylene vapor mgbochi n'okpuru kọmpat slab
Ngosipụta mmiri mmiri bụ akụkụ dị oke mkpa nke idobe nkwụsi ike ihe owuwu ụlọ mgbe ị na-emepụta ihe owuwu ahụ.Ngwongwo anyị na-agbanwe ma dị mma nke mgbochi mmiri polyethylene egosipụtara n'ọtụtụ ọrụ mgbochi vapor maka ala na mgbidi ugboro ugboro.
Maka ọnụ ahịa mgbochi vapor polyethylene, ị nwere ike nye ndụmọdụ maka ịre ahịa dịka ngwa nkata ịntanetị anyị si dị ma ọ bụ kọntaktị ndị ọzọ.
