Epoxy resin, when fully cured, hardens more similarly to plastic than glass. Chemically, it's a polymer forming a rigid, durable plastic material. Unlike glass, which is brittle and shatters easily upon impact, hardened epoxy resin is tough yet somewhat flexible, possessing a high degree of resistance to cracking or breaking. Its finish can be glossy, mimicking the appearance of glass, but it retains the characteristics of hardened plastic in terms of strength, durability, and resistance to impact. Additionally, epoxy resin can be manipulated during its curing process to achieve desired properties such as color or hardness, offering versatility that glass cannot.

To open an Ink document, you need software that supports this file type. Microsoft's OneNote is primarily designed for Ink files, which store handwritten notes and drawings. Install OneNote from the official Microsoft website. Once installed, locate your Ink file, right-click on it, and select "Open With." Choose OneNote from the list. If your file doesn't open, ensure it isn't corrupted and that you have the latest version of OneNote. For alternative methods, some third-party applications also support Ink files, but OneNote remains the most reliable option.

Polypropylene (PP) is a thermoplastic polymer that exhibits remarkable chemical resistance and durability, making it popular in various applications ranging from packaging, textiles, automotive components, to medical devices. It can withstand temperatures up to 120-130°C (248-266°F) in continuous use. However, it begins to soften at around 150°C (302°F) and melts at a temperature of 160-170°C (320-338°F). It's essential to note that while polypropylene can handle occasional excursions to higher temperatures, prolonged exposure above its threshold can lead to deformation or loss of mechanical properties. Therefore, for applications involving higher temperatures, it is crucial to assess the duration and frequency of the exposure to ensure polypropylene's suitability or consider alternatives designed for higher thermal resistance.