Model cement, also known as plastic cement or polystyrene cement, is an essential item for model builders and hobbyists. It is a type of adhesive specifically designed for bonding plastic models together. Model cement is commonly used in assembling model airplanes, cars, ships, and other plastic model kits. In this article, we will explore everything you need to know about model cement, including its uses, types, application techniques, and safety precautions.
Uses of model cement
Model cement is primarily used for bonding plastic parts of models together. It creates a strong bond that fuses the plastic parts together, resulting in a seamless and durable assembly. Model cement is commonly used in the construction of plastic model kits, such as model airplanes, cars, tanks, ships, and figures.
Model cement is also used in scratch-building projects, where modelers create custom models from scratch using plastic sheets, rods, and other materials. It is an essential tool for creating precise and intricate structures, such as buildings, bridges, and dioramas.
Types of model cement
There are several types of model cement available on the market, each with its own unique characteristics and uses. The most common types of model cement include:
1. Liquid Cement: Liquid cement comes in a bottle with a brush applicator for easy and precise application. It has a thin consistency that allows it to flow into small gaps and crevices between plastic parts, creating a strong bond. Liquid cement dries quickly and forms a durable bond that is resistant to shocks and vibrations.
2. Tube Cement: Tube cement comes in a tube packaging with a pointed nozzle for precise application. It has a thicker consistency compared to liquid cement, making it ideal for bonding larger plastic parts together. Tube cement is easy to control and creates a strong bond that is suitable for structural assemblies.
3. Thick Cement: Thick cement is a gel-like adhesive that is specifically designed for bonding large plastic parts and filling gaps in model assemblies. It has a slow drying time, allowing modelers to reposition the parts and make adjustments before the cement sets. Thick cement is ideal for bonding heavy-duty plastic parts and creating seamless joints.
Application Techniques
When using model cement, it is important to follow proper application techniques to ensure a successful bond. Here are some tips for applying model cement effectively:
1. Prepare the surfaces: Before applying model cement, make sure to clean the surfaces of the plastic parts to remove any dirt, oil, or debris that may interfere with the bonding process. Sanding the surfaces with a fine-grit sandpaper can also improve adhesion.
2. Apply a thin layer: Use a small brush or applicator to apply a thin layer of model cement to the mating surfaces of the plastic parts. Avoid applying too much cement, as it may create excess glue residue and weaken the bond.
3. Press and hold: Press the plastic parts together firmly and hold them in place for a few seconds to allow the cement to set. Avoid moving or adjusting the parts until the cement has fully cured to prevent weakening the bond.
Safety Precautions
Model cement contains organic solvents that can be harmful if inhaled or absorbed through the skin. It is important to take proper safety precautions when using model cement to protect yourself from potential health risks. Here are some safety tips to keep in mind:
1. Use in a well-ventilated area: Always work in a well-ventilated area to prevent inhaling harmful fumes from model cement. Open windows or use a ventilation fan to ensure proper air circulation while working with cement.
2. Wear protective gear: Wear gloves to protect your skin from direct contact with model cement. It is also recommended to wear a face mask to prevent inhaling fumes and goggles to protect your eyes from splashes.
3. Store properly: Store model cement in a cool, dry place away from heat sources and direct sunlight. Make sure to cap the bottle or tube tightly after each use to prevent the cement from drying out.
In conclusion, model cement is a versatile and essential adhesive for model builders and hobbyists. By understanding its uses, types, application techniques, and safety precautions, you can effectively use model cement to create precise and durable model assemblies. Whether you are building a model airplane, car, ship, or scratch-building a custom project, model cement is a reliable tool for bonding plastic parts together seamlessly. Remember to follow safety guidelines and enjoy the process of creating detailed and intricate models with model cement.