Model cement, commonly referred to as plastic cement or polystyrene cement, is an essential tool for anyone who loves to build scale models. Whether you’re building cars, airplanes, or even miniature buildings, model cement is a crucial component in ensuring your project holds together perfectly. In this guide, we’ll explore everything you need to know about model cement, its uses, types, and tips for using it effectively.
**What is model cement?**
Model cement is a specially formulated adhesive designed for bonding plastic models made from polystyrene or similar materials. Unlike traditional glue, model cement actually melts the plastic surfaces it’s applied to, creating a strong bond once it dries. This makes it perfect for models where a seamless finish is desired, as the melted plastic essentially fuses the pieces together.
**Types of model cement**
There are two main types of model cement: liquid cement and tube cement. Liquid cement typically comes in a small bottle with a brush applicator, making it easy to apply to small or detailed areas. Tube cement, on the other hand, is a thicker gel-like substance that is extruded from a tube onto the model. Both types of cement work well, so it ultimately comes down to personal preference and the specific needs of your project.
**How to Use model cement**
Using model cement is a straightforward process, but there are a few key tips to keep in mind to ensure a strong and seamless bond. Here’s a step-by-step guide on how to use model cement effectively:
1. **Prepare the surfaces:** Before applying the cement, make sure the surfaces you’re bonding are clean and free of any dust or debris. This will help the cement adhere better and create a stronger bond.
2. **Apply the cement:** Using either a brush or the applicator nozzle, apply a small amount of model cement to one of the surfaces you’re bonding. Be careful not to use too much, as excess cement can cause the plastic to melt excessively and create a messy finish.
3. **Press the pieces together:** Once the cement has been applied, carefully press the two pieces together, ensuring a tight fit. Hold the pieces in place for a few seconds to allow the cement to start melting the plastic and create a bond.
4. **Let it dry:** After bonding the pieces together, allow the model to sit undisturbed for at least 24 hours to ensure the cement has fully dried and the bond is strong. Avoid moving or handling the model during this time to prevent any accidental breakage.
**Tips for Using Model Cement**
– Work in a well-ventilated area when using model cement, as the fumes can be strong and potentially harmful if inhaled excessively.
– Use small, controlled amounts of cement to avoid creating messy, excess plastic melt.
– Keep a clean rag or cotton swab handy for any accidental spills or smudges, as model cement can be difficult to remove once dried.
– Always store your model cement in a cool, dry place away from direct sunlight to ensure it stays fresh and effective for future use.
In conclusion, model cement is a must-have tool for any model enthusiast looking to create seamless and durable projects. With the right techniques and a little practice, you can achieve professional-looking results that will impress even the most discerning hobbyist. So, next time you’re working on a model project, don’t forget to reach for your trusty model cement – it’s sure to become your new best friend in the world of scale modeling.