Ọ bụ ezie na PP (polypropylene) na PVC (polyvinyl chloride)ndị na-ebi na lamella tubeA na-eji ha eme ihe n'usoro ọgwụgwọ mmiri, enwere nnukwu ọdịiche dị na ihe onwunwe, arụmọrụ na ụzọ nrụnye.
1. Ọdịiche nke Ihe
| ihe | PP | PVC |
| Njupụta (g/cm3) | 0.9-0.91 | 1.38-1.45 |
| Ebe agbaze (℃) | 160-170 | 75-90 |
| Okpomọkụ mgbanwe okpomọkụ(℃) | 110(0.45MPa) | 65(0.45MPa) |
| Ọnụọgụ mgbasawanye kwụ ọtọ | 1.5 × 10⁻⁴/℃ | 6 × 10⁻⁵/℃ |
| Ike nrụgide (MPa) | Afọ 30-40 | Afọ 50-60 |
2. Ntụnyere nke ihe onwunwe igwe
| ihe | PP | PVC |
| Nguzogide mmetụta | O doro anya na-emebi emebi (<0℃) | Nọgide na-enwe ike iguzogide (-15℃) |
| Nrụgide ogologo oge | Mkpọchi na-adịkarị mfe ime n'okpuru ibu na-aga n'ihu (a chọrọ ka nkwado ahụ sie ike) | Nguzogide dị mma nke na-agagharị agagharị |
| Ndụ ọrụ | Afọ 3-5 | Ogologo oge karịa 20%-30% karịa PP |
| Ugboro mmezi | Afọ 3 | Afọ 5 |
3. Ihe dị iche na ọgwụgwọ mmiri
| ihe | PP | PVC |
| Ịdị ire ụtọ nke elu | 0.8-1.2μm | 0.4-0.6μm |
| Nkuku mmịfe sludge | 55°-60° | 50°-55° |
| Njikọta biofilm | Adịghị ike (hydrophobic) | Ike (elu pola) |
| Ọkwa nhazi mmiri (m/h) | 1.0-1.5 | 0.8-1.2 |
4. Ihe dị iche na ntinye
PP: A ga-eji ịgbado ọkụ ikuku (260-300 ℃)
PVC: Enwere ike iji ihe mgbaze mee ihe ma ọ bụ welded na obere okpomọkụ (180-220 ℃)
Alina Wang
Ozi ịntanetị:alinna@bestpacking.cn
Whatsapp:+8617379954122 Wechat:karol1005
Skype:ndụ:.cid.7e9f6df9c6d4d15c
Oge ozi: Eprel-24-2025