PVC K uru 57
PVC K uru 57,
PVC resin eji emepụta bọọdụ ụfụfụ,
Enwere ike iji resin PVC nwere uru K nke 55-68 rụpụta ụfụfụ siri ike, ya bụ, ngwaahịa PVC siri ike dị ala, nke dị iche na uru K nyere na ozi na akwụkwọ gara aga.E gosipụtara resins PVC na ụkpụrụ K nke 69-77 dị mma maka imepụta ụfụfụ dị nro.Enwere ọtụtụ ụzọ iji mepụta resin PVC, usoro nkwusioru, usoro emulsion na nnukwu polymerization nke resin PVC dị ihe eji eme ihe maka ngwaahịa foamed, na-abụkarị nkwusioru na nnukwu polymerization nke resin PVC kwesịrị ekwesị.Ndị na-emepụta PVC na ndị na-emepụta ihe (polymers granular) na-enwekwa usoro nhazi dị mma ma a naghị ejikarị ya eme ihe n'ihi ihe ọnụahịa.
Polyvinyl chloride, nke a na-akpọ PVC, bụ otu n'ime ụdị plastik emepụtara, mmepụta nke ugbu a bụ nke abụọ na polyethylene.A na-eji polyvinyl chloride mee ihe n'ọtụtụ ebe na ụlọ ọrụ, ọrụ ugbo na ndụ kwa ụbọchị.Polyvinyl chloride bụ ngwakọta polymer nke vinyl chloride mebere ya.Ọ bụ thermoplastic.Na-acha ọcha ma ọ bụ na-acha odo odo ntụ ntụ.Ọ na-agbaze na ketones, esters, tetrahydrofurans na chlorinated hydrocarbons.Nguzogide kemịkalụ mara mma.Nkwụsi ike ọkụ na-adịghị mma na nguzogide ọkụ, ihe karịrị 100 ℃ ma ọ bụ ogologo oge ikpughe na ìhè anyanwụ malitere decompose hydrogen chloride, plastic n'ichepụta kwesịrị ịgbakwunye stabilizer.Igwe ọkụ eletrik dị mma, agaghị ere ọkụ.
Ọkwa S-700bụ tumadi na-eji na-emepụta transperent Ibé akwụkwọ, na ike tụgharịa n'ime isiike na ọkara isiike Ibé akwụkwọ maka ngwugwu, n'ala ihe, siri ike film maka lining (maka swiiti wrapping akwụkwọ ma ọ bụ sịga mbukota film), wdg Ọ nwekwara ike extruded na ike ma ọ bụ siri ike ma ọ bụ. ihe nkiri siri ike ọkara, mpempe akwụkwọ, ma ọ bụ mmanya na-adịghị ahụkebe maka ngwugwu.Ma ọ bụ enwere ike ịgbanye ya iji mee nkwonkwo, valvụ, akụkụ eletriki, ngwa ụgbọ ala na arịa.
Nkọwapụta
| Ọkwa | PVC S-700 | Okwu | ||
| Ihe | Uru nkwa | Usoro ule | ||
| Nkezi ogo polymerization | 650-750 | GB/T 5761, Okike A | K uru 58-60 | |
| Njupụta pụtara ìhè, g/ml | 0.52-0.62 | Q/SH3055.77-2006, Ihe Odide B | ||
| Ọdịnaya na-agbanwe agbanwe (mmiri gụnyere),%, ≤ | 0.30 | Q/SH3055.77-2006, Ihe Odide C | ||
| Plasticiser absorption nke 100g resin, g, ≥ | 14 | Q/SH3055.77-2006, Ihe Odide D | ||
| VCM fọdụrụnụ, mg/kg ≤ | 5 | GB/T 4615-1987 | ||
| Nyocha % | 0.25mm ntupu ≤ | 2.0 | Usoro 1: GB/T 5761, Ihe Odide B Usoro2: Q/SH3055.77-2006, Ihe odide ntụkwasị A | |
| 0.063mm ntupu ≥ | 95 | |||
| Nọmba Azụ, Mba/400cm2, ≤ | 30 | Q/SH3055.77-2006, Ihe Odide E | ||
| Ọnụọgụ ụmụ irighiri ihe adịghị ọcha, Mba, ≤ | 20 | GB/T 9348-1988 | ||
| Ọcha (160ºC, nkeji iri ka e mesịrị), %, ≥ | 75 | GB/T 15595-95 | ||
Nkwakọ ngwaahịa
(1) Mbukota: 25kg net/pp akpa, ma ọ bụ kraft akwụkwọ akpa.
(2) Ọnụ ọgụgụ na-ebu ibu: 680Bags/20′container, 17MT/20′container.
(3) Ọnụ ibu: 1120Bags/40′container, 28MT/40′container.
