HDPE
Tipo de material
Plástico
Nombre del material
HDPE
Nombres alternativos
High-Density-Polyethylene | alkathene | polythene
Compatibilidad de procesos
Mecanizado CNC, Moldeo por inyección
HDPE en Mecanizado CNC y Moldeo por Inyección
High-Density Polyethylene (HDPE) is an affordable, versatile, non-porous thermoplastic with a high strength-to-density ratio and low moisture absorption.
HDPE is made from the ethylene monomer and is also called "alkathene" or "polythene." It has a low melting point but high impact strength, chemical resistance, and excellent electrical insulating properties. Because this material can deform under heat, we are very careful when machining thin-walled sections. We use appropriate cutting speeds and feeds, tools with sharp cutting edges, water-soluble coolants, and proper cutting techniques for the best results.
Engineered as industrial-grade, FDA, NSF, and USDA-approved food-quality material, HDPE sheets are designed to be low maintenance, safe, and durable. The textured surface provides a secure grip for handling food safely. Aside from being easily meltable and moldable, it is corrosion, chemical, and weather-resistant. Additionally, HDPE is an environmentally friendly choice because it is cost-effective and recyclable.
Tabla de propiedades of HDPE
| PROPIEDADES MECÁNICAS | |
|---|---|
| Resistencia a la tracción | 22.1-31 MPa |
| Límite elástico | 26.2-31 MPa |
| Módulo de Young (elasticidad) | 1.07-1.09 GPa |
| Alargamiento a la rotura | 500-700% |
| Dureza | 7.9-9.9 HV |
| Physical PROPERTIES | |
| Resistencia UV | Moderado |
| Ductilidad y flexibilidad | Alta |
| Densidad | 0.95 g/cm³ |
| Resistencia química | Excelente |
| Porosidad | Bajo |
| Propiedades térmicas | |
| Temperatura máxima de servicio | 113-129°C |
| Coeficiente de dilatación térmica | 106-198 x 10^-6/°C |
| Conductividad térmica | 0.461-0.502 W/(m·°C) |
| Propiedades eléctricas | |
| Seguridad ESD | No |
Conocimientos básicos of HDPE
What is HDPE?
High-density polyethylene (HDPE) is a strong and durable type of polyethylene, a thermoplastic polymer with high strength, chemical resistance, and versatility. It is plastic made from petroleum with the chemical formula (C2H4)n. With a high density, it exhibits toughness and can withstand impact and abrasion. Because of its resistance to moisture and chemicals, HDPE is commonly used to produce containers for liquids, such as bottles for milk and detergent. It is also used to construct water supply and drainage pipes due to its lightweight nature, durability, and corrosion resistance. Additionally, HDPE is used in geomembranes for environmental purposes, construction materials, and recyclable products.
Advantages of HDPE
- Ligero
- Resistencia química
- Resistencia a los golpes
- Resistencia a la intemperie
- Reciclable
- Baja absorción de humedad
- No tóxico
- Flexible
- Larga vida útil
- Rentable
Applications of HDPE
- Plastic bottles
- Milk jugs
- Tuberías de agua
- Geomembranes (for landfill liners)
- Bolsas de plástico
- Juguetes
- Containers for household chemicals
- Fuel tanks
- Conducto eléctrico
- Medical devices and containers
- Automotive fuel tanks
Machining HDPE Preguntas frecuentes
Otros Materiales
PEEK
PEEK son las siglas de poliéter éter cetona, un polímero termoplástico semicristalino de alto rendimiento con excelentes propiedades mecánicas y de resistencia química.
Nylon
El nailon (poliamida ) es un termoplástico de ingeniería que puede termoformarse y mecanizarse en una gran variedad de formas.
ABS
El ABS (acrilonitrilo butadieno estireno) es un polímero termoplástico duro y resistente a los impactos compuesto de acrilonitrilo, butadieno y estireno.
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