Cov khoom zoo PP yog dab tsi?
Cov khoom siv PP zoo heev yog hais txog cov khoom siv qib siab polypropylene (PP) nrog kev ua tau zoo thiab kev ua haujlwm zoo, uas tau hloov kho raws li cov khoom siv PP dav dav thiab muaj cov khoom siv zoo heev, kev ua haujlwm zoo thiab kev hloov pauv ib puag ncig. Nws tuaj yeem ua tau raws li qhov xav tau ntawm kev siv tsheb, lub zog tshiab, kev tsim khoom lag luam thiab lwm yam, thiab nws qhov kev ua tau zoo tag nrho yog qhov zoo dua li ntawm cov khoom siv PP. Cov khoom siv PP zoo tshaj plaws suav nrog PP rau cov khoom siv hauv tsheb, cov ntaub ntawv PP roj teeb, Khoom noj khoom haus - qib PP ntim khoom, PP zaj duab xis khoom.
Hauv qab no yog Physical Property Table of Excellent PP khoom
| Yam khoom | Tus nqi ntau | Lus hais |
| Qhov ntom | 0.89 - 0.91 g/cm³ | Lub teeb ntawm cov khoom siv thermoplastic |
| Melting Point | 160 - 176 degree | Homopolymer PP > Copolymer PP hauv melting point |
| Vicat Softening Point | 140 - 150 degree | Cov qauv xeem: ISO 306 |
| Linear Expansion Coefficient | (6 - 10)×10⁻⁵ K⁻¹ | Nce nrog kub |
| Kev nqus dej | ＜0.03 % | Tsawg nqus dej ntawm chav tsev kub |
| Khov Hloov Kub Kub (Tg) | -10 rau -8.2 degree | Brittle hauv qab Tg |
| Tensile zog | 25 - 40 MPa | Homopolymer PP > Copolymer PP hauv lub zog |
| Elongation ntawm Break | 200 - 800 % | Copolymer PP > Homopolymer PP hauv elongation |
| Flexural zog | 30 - 50 MPa | Cov qauv xeem: ISO 527 |
| Flexural Modulus | 800 - 1500 MPa | Txhim kho los ntawm kev sau cov ntaub ntawv |
| Notched Impact Strength | 2 - 10 kJ/m² | Kev txo qis ntawm qhov kub thiab txias |
| Rockwell Hardness | R95 - 105 | Cov qauv xeem: DIN 53505 |
| Thermal conductivity | 0.12 - 0.24 W/(m·K) | Tsawg conductivity, zoo thermal rwb thaiv tsev |
| Tshwj xeeb kub muaj peev xwm | 1.9 - 2.3 J/(g·K) | Qhov kub me ntsis- nyob ntawm qhov hloov pauv |
| Decomposition kub | ≥270 degree | ruaj khov nyob rau hauv ib txwm ua thiab kev pabcuam |
| Thaum tshav kub kub distortion (1.82MPa) | 60 - 120 degree | Kev txhim kho tseem ceeb nrog cov khoom siv txhawb zog |
| Kev Pabcuam Nruam Kub | -20 - 100 degree | Homopolymer PP muaj kev txwv siab dua |
| Dielectric qhov tsis tu ncua (1MHz) | 2.2 - 2.6 | Kev cuam tshuam me me los ntawm zaus |
| Dielectric poob Factor (1MHz) | ＜0.001 | Hluav taws xob rwb thaiv tsev zoo |
| Volume Resistivity | 10¹³ Ω·cm | Cov qauv xeem: VDE 0303 |
| Breakdown Voltage zog | 30 - 35 kV/mm | Muaj feem xyuam rau cov khoom thickness thiab kev ua |
| Melt Flow Rate (MFR) | 1 - 100 g/10 feeb | Nyob ntawm qhov hnyav molecular thiab kev ua haujlwm |
| Pom zoo ua haujlwm kub | 200 - 260 degree | Rau kev txhaj tshuaj molding |
| Pwm Kub | 30 - 80 degree | Muaj feem xyuam rau cov khoom seem raug |
| Tshuaj tiv thaiv | Resistant rau qaug zog acids, alkalis, cawv | Tsis resistant rau tej aromatics, halohydrocarbons |
| Kev Nyab Xeeb & Kev Ua Raws Cai | RoHS, REACH ua raws; FDA qib muaj | Haum rau kev sib cuag zaub mov, siv kev kho mob |
Advantage Zoo heev PP khoom
1. Nws muaj kev ua haujlwm zoo tag nrho, nrog rau siab rigidity, zoo toughness thiab muaj zog cuam tshuam. Qhov no zoo tiv thaiv deformation thiab tawg, ua kom nws haum rau daim ntawv thov kev xav tau ntawm cov qauv hauv tsheb, lub zog tshiab thiab kev lag luam.
2. Nws ua tau zoo nyob rau hauv yaj fluidity thiab processability, tso cai rau yooj yim txhaj molding, extrusion thiab compression molding. Qhov no ua rau nws zoo tagnrho rau kev ua tau zoo ntawm cov khoom nyias nyias -walled, complex thiab precision khoom.
3. Nws muaj kev hloov pauv zoo ib puag ncig, suav nrog kev kub siab, tiv thaiv kev laus, thiab corrosion tsis kam rau acids, alkalis thiab electrolytes. Nws tuaj yeem tswj xyuas kev ua haujlwm ruaj khov txawm tias nyob rau hauv qhov hnyav sab nraum zoov thiab chaw ua haujlwm.
4. Its key strengths lie in being lightweight, low in density and easy to recycle, which aligns with the modern industrial trends of lightweight and environmental protection. Piv nrog rau engineering plastics xws li ABS thiab PC, nws kuj muaj cov txiaj ntsig zoo.
5. Nws txhawb cov qauv tsim kho tau zoo heev. Los ntawm kev hloov kho, nws tuaj yeem ua tiav qhov kev txhawb zog, nplaim taws rov qab, tsis tshua muaj ntxhiab thiab UV tsis kam, uas tuaj yeem ua tau raws li qhov xav tau sib txawv ntawm cov xwm txheej xws li tsheb sib tsoo, cov roj teeb thiab cov khoom siv hauv tsev.
Daim ntawv thov
Cim npe nrov: pp khoom, Tuam Tshoj zoo heev pp khoom manufacturers, lwm tus neeg, Hoobkas
