Every professional restorer and carpenter who restores antiques or upscale furniture has room for specialized tools. One of these, seemingly invisible but critically important tools is the use of a new tool. wood-repairThis small vessel is not just a container, but a working area for mixing the components of the putty, glue or wax immediately before applying to the damaged area.
Using a conventional plastic lid or cardboard box often results in material spoilage due to reaction with aggressive components of epoxy resins or solvents. Specialized boats, usually made of inert materials, allow the master to accurately dose the components and control the life of the mixture. Efficiency The work depends on the quality of the repair staff.
Many beginners underestimate the importance of choosing the right mixing container, which ultimately affects the longevity of restoration. In this article, we will discuss in detail why it is worth investing in professional consumables, what types of boats exist and how to use them correctly to achieve the perfect result. Quality. The tool determines the quality of the final product.
Purpose and features of the design
A repair boat is not just a piece of plastic of a certain shape, but its geometry is designed with ergonomics and physics in mind, and the bottom of these containers often has a specific relief or slope, which allows a spatula or stir stick to collect material to the last drop, minimizing the loss of expensive components, which is especially important when working with expensive tinted compounds.
The material of manufacture plays a key role: most often used polypropylene or high-density polyethylene, which is resistant to acetone, alcohol and other organic solvents, if you use conventional dishes, it can dissolve or deform, spoiling the mixture. Chemical resistance The main criterion of choice.
Why is the shape called a boat?
The name comes from the distinctive elongated shape with raised sides, resembling the hull of a small vessel, which is convenient for grabbing with your fingers and preventing liquid from spilling when tilting.
In addition, many models have calibration or special labels to help to comply with the mixing proportions of the two-component formulations. While it is better to use a scale for accurate dosage, a visual assessment in a calibrated container is often sufficient for an experienced craftsman. Convenience It's all about small things.
Types of boats for restoration
The restoration tool market offers several types of containers, each tailored to specific tasks, depending on the scope of the work, the type of materials used and the personal preferences of the master, there is no one-size-fits-all solution.
Disposable plastic boats are the most common option: they are cheap, lightweight, and do not require cleaning after use; once finished, the container is simply discarded along with the residues of chemistry; however, they may be less resistant to aggressive solvents than reusable ones.
- 🛠️ Standard plastic: Made of thin plastic, suitable for water and alcohol morills, as well as for mixing putty on the basis of nitrocellulose.
- 🧪 Chemically resistant: Made of dense polypropylene, withstand contact with acetone and esters, often have thicker walls.
- 🏺 Metallic (aluminum): A rare but common option for mixing particularly aggressive compounds or for working with heating, is easy to wash and serve for years.
Reusable versions made of silicone or dense Teflon make it easy to remove the frozen material. Silicone boat mats can be turned inside out, and the dried up putty will just fall off, which saves cleaning time and reduces the consumption of solvents for washing tools.
Criteria for the selection of a quality tool
When purchasing supplies for the workshop, it is important to pay attention to several technical specifications, first of all, this is volume. Boats can be from 30 ml to 200 ml or more. For spot repair of chips on furniture, a minimum volume is enough, whereas more spacious containers will be required to fix cracks in the floor or on PVC boats.
The second criterion is the transparency of the walls, and the transparent boats allow you to visually control the uniformity of the mixing of components and the absence of lumps, which is especially important when working with colored waxes and putty shoes, where it is important to get in tune. Visual quality control of the mixture is mandatory.
If the restoration process requires a pause or the mixture is prepared for the future (although this is rarely recommended for two-component formulations), a sealed cover will prevent the solvent from evaporating and the material from winding.
Technology of use in the restoration of LCP
The process of using a boat to repair wood requires a certain sequence of actions. A violation of the technology can cause the material to not polymerize or change color. Proper preparation is the key to success.
First, a substrate is squeezed into the boat (for example, wax or putty), then a hardener is added, the proportions are usually indicated by the manufacturer on the material packaging, and the mixing must be intense but careful so that the mixture does not saturate with air bubbles, which then protrude on the surface.
☑️ Algorithm for mixing components
Therefore, you need to prepare the mixture immediately before application and in such an amount that the master will have time to develop during the life of the mixture (pot life). Temperature. Indoors also affect the reaction rate.
Use separate boats for different colors or types of chemistry to avoid cross-contamination that can spoil the color of the next repair.
Comparison of boat materials
To make a final decision, it is worth comparing the main specifications of the materials from which these devices are made. Below is a table showing the differences in properties.
| Parameter | Polypropylene (PP) | Polyethylene (PE) | aluminum | silicone |
|---|---|---|---|---|
| Chemical. Resistance. | High. | Medium | Very high. | High. |
| Heat resistance | Up to 100°C. | Up to 80°C. | To 300°C. | Up to 200°C. |
| Reusability | Limited. | Disposable | Indefinite | High. |
| Price. | Low. | Very low. | High. | Medium |
As you can see from the table, aluminum is better at heat resistance and durability, but it is worse at price and weight. Silicone is ideal for clean processes, but it can absorb smells. Polypropylene remains the middle ground for most carpentry applications.
To work with epoxy resins, which are highly heated when polymerized in a large volume, it is better to use metal or special heat-resistant boats so that the plastic does not melt and stick to the mixture. Security Chemical work is above all else.
Care and storage of consumables
Although many boats are marketed as disposable, they can be used repeatedly if used carefully and cleaned in a timely manner, saving the workshop budget, but this only makes sense for reusable models.
⚠️ Warning: Never try to wash a boat that mixed a two-component epoxy if it has already started to harden. Attempting to scrape the material can damage the walls of the container, creating microcracks where the chemistry will clog the next time you use it.
Keep clean boats in a dust-proof place, away from direct sunlight. Ultraviolet can make some plastics brittle over time. Avoid open fire sources, as most plastics are combustible.
Timely disposal of contaminated boats prevents accidental residues of old chemicals from entering the new mixture, which guarantees a stable quality of repair.
Frequently Asked Questions (FAQ)
Can I use boats for food?
It's not recommended, even if it's a food-grade plastic, it becomes toxic after it comes into contact with chemical solvents, hardeners and putty, and chemical residues can also spoil the taste of the products.
What is the best way to clean reusable boats?
For cleaning, it is best to use the solvent on the basis of which the repair composition is made (acetone, white spirit, alcohol), wipe immediately after use, without waiting for the material to dry out.
Are these boats suitable for mixing paint for walls?
Yes, they're great for tinting small amounts of paint, varnish or grill, transparent walls help you estimate the final color, but for larger volumes (over 1 liter), buckets are more convenient.
At what temperature can the boats be stored?
The optimal range of empty boats storage is from -20 ° C to +40 ° C. At extremely low temperatures, plastic can become brittle, and at high temperatures it can deform.
Are there dividing boats for the exact dosage?
Yes, many professional models have a volume scale in milliliters, which helps to keep the ratio of mixing components "by eye" in the absence of weights, although scales are preferable.