¿Es buena la transparencia de la vela de plástico?
As transparent PC plastic candle cup, the first to ensure high transparency, followed by strength, impact resistance, wear resistance, heat resistance, chemical resistance is good, water absorption to small.Only in this way can the transparency requirements be met in use. For the ion of transparent plastic, PC plastic is the ideal choice.However, due to its high price and difficult injection molding process, PMMA is often used, while PPE is mostly used in packaging and containers because it needs to be stretched to obtain good mechanical properties.PC plastic viscosity, high melting temperature, poor liquidity, must be injection molding at a higher temperature (between 270~320℃), relatively narrow range of material temperature regulation, technology than PMMA.
Las ventajas del material de "vaso de plástico para PC" son: 1.2. Alta transparencia y teñido libre; 3. Baja contracción de la formación y buena estabilidad dimensional; 4. Buena resistencia a la fatiga; 5. Buena resistencia a la intemperie; 6. Excelentes características eléctricas; 7. Inodoro e inodoro son inofensivos para la salud y seguridad humana.
A. Mechanical properties: high strength, fatigue resistance, stable size and small creep (there is little change under high temperature);B. Heat-resistant aging property: the enhanced UL temperature index reaches 120~140℃ (outdoor long-term aging property is also good);C. Solvent resistance: no stress cracking;D. Water stability: it is easy to decompose when exposed to water at high temperature (it should be used with caution under high temperature and high humidity);E, electrical performance: 1, insulation performance: good (humidity, high temperature can also maintain electrical performance stability, is the ideal material for manufacturing electronic, electrical parts);2. Dielectric coefficient: 3.0-3.2;3. Arc resistance: 120s;F, forming machinability: general equipment injection or extrusion.Is the plastic candle cup PC material performance.
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