What are the surface treatments for desktop cardboard coloring playhouse

Environmentally friendly water-based coating treatment to ensure children's coloring safety
The surface of Desktop Cardboard Coloring Playhouse is usually treated with an environmentally friendly water-based coating before leaving the factory. This coating uses a non-toxic formula and does not contain formaldehyde, heavy metals, and volatile organic compounds (VOCs), ensuring that children will not be chemically harmed during coloring or touching. The coating has passed international toy safety standards certification, such as ASTM F963, EN71-3, etc., and is suitable for direct contact by children over 3 years old.
The water-based treatment is extremely skin-friendly, and even if children put their fingers in their mouths during the coloring process, they will not be poisoned or allergic. At the same time, the water-based coating has a certain degree of water resistance, which can protect the cardboard structure from being eroded for a short time in the event of accidental water spills.

Surface micro-texture treatment to improve coloring uniformity
To optimize the coloring experience, Desktop Cardboard Coloring Playhouse adds a micro-texture embossing treatment on the surface of the cardboard. Unlike traditional smooth cardboard, this surface has a moderate friction coefficient, which can effectively grab color pencils, crayons, watercolors and other pigments, making the coating adhere more evenly and avoiding common problems such as "slipping", "floating color" and "not being able to be painted in".
This micro-texture is processed by a concave and convex micron-level texture die-casting process, which does not affect the overall clarity of the picture, while retaining the color penetration path, so that penetrating pigments such as watercolors or markers can better fix the color layer and improve the saturation and expression of the picture.

Anti-pilling coating treatment to enhance the durability of the paper surface
Ordinary corrugated paper is prone to fluffing, delamination or damage during repeated writing, smearing and wiping, affecting the overall visual effect. Desktop Cardboard Coloring Playhouse will use a lightweight white card coating layer to cover its coloring area before leaving the factory. Through physical calendering and quantitative coating methods, the fiber looseness is effectively controlled to prevent rough edges and slag from falling off the picture.
This anti-pilling technology is particularly suitable for multiple coloring and modification scenarios, such as school art classes or repeated trial painting during parent-child crafts. Even if you wipe it gently with an eraser or a damp cloth, it will not easily damage the surface structure, greatly extending the service life and ornamental value.

Matte anti-reflective treatment, optimize visual perception experience
Considering that children are often disturbed by direct light when coloring indoors, Desktop Cardboard Coloring Playhouse specially introduces a matte treatment process to treat the paper surface with micron-level matte technology to avoid glare or reflection when the light is irradiated, making children's vision more comfortable.
This matte anti-reflective technology not only optimizes the user's viewing angle experience, but also reduces the visual fatigue caused by strong light exposure. It is especially suitable for scenes where long-term coloring or multiple people participate in activities at the same time, which helps to enhance immersion and concentration.

Pre-printed patterns use non-toxic and environmentally friendly soy ink
The pre-printed patterns on the surface of Playhouse are usually printed with environmentally friendly soy ink. This ink is naturally derived, does not contain heavy metals and irritating solvents, has excellent light resistance and adhesion, and is not easy to fade under natural light or long-term placement indoors. Compared with petroleum-based inks, soy inks have less volatile gases during the printing process and are more suitable for children to contact for a long time.
The printing precision is high, and the pattern lines are clear and the outlines are distinct, providing children with clear coloring boundaries, which helps to cultivate the ability to observe details and control their hands. Some high-end versions also use four-color or spot color printing technology to increase the visual level and artistic sense of the pattern.

Surface treatment is compatible with a variety of painting tools
The surface treatment process of Desktop Cardboard Coloring Playhouse is compatible with a variety of painting tools, including colored pencils, watercolor pens, crayons, gouache pens, markers, etc. The permeability and adsorption of the paper surface have been tested by professional laboratories to ensure that there will be no uneven pigment diffusion, color sinking or paper curling.
After special treatment, the paper surface has moderate water absorption, which is especially friendly to users who use watercolor paints. Under moderate water use conditions, the structure will not be deformed due to excessive moisture absorption, which meets a variety of creative expressions. For users who like handmade DIY, this adaptability provides more space for creation.

Surface treatment enhances anti-fouling ability
In addition to coloring adaptability, the surface of Playhouse also has a certain anti-fouling ability. Through the micro-coating overlay technology, the spread of stains on the paper surface can be effectively reduced, making it easy to clean the surface with a wet tissue or eraser. This design is especially suitable for children who are younger and have unstable operation, and effectively improves the overall aesthetics after use.
Some versions also provide erasable areas. After drawing patterns with a specific erasable water-based pen, they can be erased with a wet cloth and reused, which enhances the interactivity and educational function of the product.