PP-ExxonMobil PP1013
O PP-ExxonMobil PP1013 (especificamente o grau PP1013H1) é um polipropileno homopolímero ultrapuro projetado pela ExxonMobil, com registro DMF na FDA, conformidade com a Farmacopeia Europeia e biocompatibilidade USP Classe VI[1][2]. Com um índice de fluidez de 7,5 g/10 min, é excepcionalmente adequado para seringas de alta clareza, inaladores e utensílios de laboratório autoclaváveis[2][3]. Na Jucheng Precision, um fabricante contratado certificado ISO 13485, injetamos este homopolímero de grau médico em salas limpas certificadas Classe 7 e Classe 8 para evitar contaminação por partículas. Operando mais de 35 prensas de moldagem avançadas, nossos engenheiros empregam ciclos de empacotamento estendidos para eliminar vazios de contração, utilizando aço de ferramenta inoxidável S136 polido espelhado e sem ferrugem para garantir peças sem defeitos, verificadas por inspeção CMM Zeiss.
ExxonMobil PP1013H1 Medical & Regulatory Compliance Profile
ExxonMobil™ PP1013H1 is a highly specialized homopolymer resin certified for demanding medical and pharmaceutical fluid-contact applications:
| Regulatory Standard | Certification Reference | Implication for MedTech Assemblies |
|---|---|---|
| Biocompatibilidade | USP Class VI / ISO 10993-5, 10, 11 | Guarantees zero systemic toxicity, zero skin sensitization, and zero in-vitro cytotoxicity during active fluid delivery. |
| Arquivo mestre farmacêutico | US FDA DMF 15657 | Enables simplified drug master filing and regulatory pathway clearance for medical packaging and pre-filled syringe barrels. |
| Monograph Compliance | EP Monograph 3.1.3, 3.1.6, 3.2.2 | Complies with European Pharmacopoeia standards for plastic materials used for blood containers, tubing, and pharmaceutical closures. |
Sterilization Adaptability for ExxonMobil PP1013
Medical devices must withstand intensive sterilization cycles. This grade is optimized to maintain physical integrity across all major sterilization methods:
| Sterilization Methodology | Material Tolerance & Structural Integrity |
|---|---|
| Autoclave & Steam Sterilization | Excellent. Withstands standard pressurized steam cycles up to 121°C–134°C without mechanical warping or surface degradation. |
| Ethylene Oxide (EtO) Gas | Excellent. Highly compatible with EtO chamber sterilization, exhibiting zero gas absorption or yellowing defects. |
| Gamma Radiation | Moderate. Suitable for low-dose gamma cycles. For intensive radiation steps, post-molding yellowing is minimized via optimized cooling times. |
Scientific Molding Guide for PP-ExxonMobil PP1013
Molding medical-grade homopolymer PP requires a high level of process control to eliminate microscopic splay, particulates, and shrinkage voids:
- Cleanroom particulate control: To comply with ISO 13485 regulations, Jucheng molds this medical resin strictly inside certified ISO Class 7 and Class 8 cleanrooms. Raw materials are moved through positive-pressure enclosed pneumatic conveying systems.
- Sink-Mark and Void Mitigation: Due to PP1013’s semi-crystalline homopolymer structure, parts are prone to volumetric shrinkage voids. We mitigate this by utilizing lower injection speeds combined with extended packing pressure profiles and generous gate sizing (50% to 70% of part wall thickness).
- Gate Cosmetic and Part Integrity: For syringe plungers and inhaler bodies, gate vestige must be kept minimal. We design premium hot-runner systems or highly detailed sub-gates machined on our 5-axis CNCs to secure clean part separation.
- Mold Rust & Contamination Protection: To avoid micro-contamination, we use premium S136 stainless steel hardened to 50 HRC for our molds. This prevents any oxidation from mold sweat or condensation during long runs.
Key Application Fields for PP-ExxonMobil PP1013
- Diagnostics & Labware: Highly transparent test tubes, specimen vials, pipette tips, petri dishes, and PCR multi-well plates.
- Drug Delivery Components: Disposable syringe barrels, pre-filled syringes, inhaler bodies, insulin pen casings, and liquid medicine dispensers.
- Medical Packaging & Closures: Child-resistant pharmaceutical caps, dropper caps, sterile vial closures, and pharmaceutical blister containers.
Propriedades
| Densidade | 0.900 g/cm³ |
| Índice de Fluidez (MFR) (230°C/2,16kg) | 7.5 g/10 min |
| Resistência à Tração no Escoamento | 33.5 MPa |
| Alongamento na Cedência | 8.0 % |
| Módulo de Tração | 1,500 MPa |
| Módulo de Flexão | 1,480 MPa |
| Resistência ao Impacto Izod (Com Entalhe, 23°C) | 3.1 kJ/m² |
| Dureza Shore D | 65 - |
| Temperatura de Fusão | 160 °C |
| Vicat Softening Temperature | 154 °C |
| Temperatura de Deflexão Térmica (HDT @ 0,45 MPa) | 86.3 °C |
| Contração Linear no Molde | 1.2 - 1.8 % |
| Tamanho Máximo da Peça (limite de sala limpa) | 600 x 400 mm |
| Minimum Part Size (Microfluidic limit) | 1 x 1 mm |