If you are a hobbyist who enjoys building models, then you are likely familiar with the importance of using model cement. Model cement is a crucial tool for joining plastic parts together, creating a strong bond that will hold your models together for years to come. In this article, we will explore everything you need to know about model cement and how to use it effectively in your projects.
What is model cement?
Model cement, also known as plastic cement or polystyrene cement, is a type of adhesive specifically designed for joining plastic models together. Unlike traditional glues, which are typically water-based and dry through evaporation, model cement chemically melts the plastic parts being joined. This creates a strong bond by fusing the two pieces together, resulting in a seamless finish that is perfect for model building.
Types of model cement
There are several different types of model cement available on the market, each with its own unique properties and uses. The most common types include:
1. Liquid Cement: This type of model cement comes in a bottle with an applicator brush attached to the cap. It is easy to apply and dries quickly, making it ideal for gluing small parts or pieces that require precise positioning.
2. Tube Cement: Tube cement is a thicker consistency than liquid cement and is typically applied with a separate brush or applicator. It is great for bonding larger pieces together and can be used for filling small gaps or imperfections in the model.
3. Gel Cement: Gel cement has a thicker consistency than both liquid and tube cement, making it ideal for vertical surfaces or pieces that need extra support. It dries slower than other types of model cement, allowing for more time to reposition parts before the bond sets.
How to Use model cement
Using model cement is a straightforward process, but there are a few tips and tricks to keep in mind to ensure a strong bond and professional-looking finish. Here are some guidelines for using model cement effectively:
1. Prepare Your Work Area: Before you begin gluing, make sure your work area is clean and well-ventilated. Model cement can produce fumes that are harmful if inhaled, so it is best to work in a well-ventilated area or use a respirator mask.
2. Dry-Fit Parts: Before applying the cement, dry-fit the parts together to ensure they fit properly and align correctly. This will help you avoid any mistakes or misalignments once the adhesive is applied.
3. Apply Cement Sparingly: Less is more when it comes to model cement. Apply a small amount of adhesive to one of the surfaces being joined, then press the pieces together firmly. Excess cement can cause the plastic to melt and create unsightly marks on the model.
4. Hold Parts Together: After applying the cement, hold the parts together for a few seconds to allow the adhesive to bond properly. Avoid moving or adjusting the parts too much as this can weaken the bond.
5. Clean Up Excess Cement: Once the bond has set, use a cotton swab or toothpick dipped in cement thinner to clean up any excess adhesive or marks on the model. Be careful not to remove too much material, as this can weaken the bond.
Benefits of Using Model Cement
Model cement offers several advantages over traditional glues, making it the preferred choice for many hobbyists. Some of the benefits of using model cement include:
1. Stronger Bond: Model cement creates a chemical bond between plastic parts, resulting in a stronger and more durable bond than traditional glues.
2. Seamless Finish: Because model cement melts the plastic parts together, it creates a seamless finish that is perfect for model building.
3. Precise Application: Model cement comes in various forms, including liquid, tube, and gel, allowing for precise application and bonding of small or large parts.
In conclusion, model cement is an essential tool for hobbyists who enjoy building models. Its unique properties and strong bonding capabilities make it the preferred choice for joining plastic parts and creating professional-looking models. By following the guidelines outlined in this article, you can effectively use model cement in your projects and achieve high-quality results every time.