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Slowly, the plasticine will dry out and lose its elasticity.
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Toy plasticine dissolves in water, while plasticine prepared with oil is insoluble in water.
Today, the material and process of plasticine have changed a lot, unlike before, it cannot be mixed, cannot be reused, and is relatively rough and hard. There are two types of plasticine: industrial plasticine and ordinary plasticine where children play.
Plasticine is used as a learning tool for young children. For example, in the process of learning pinyin, let the children use plasticine to pinch the letters, use a variety of colors of plasticine to pinch the letters, let the children like which color to pinch which color, the children learn very fast.
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Water-soluble plasticine can be dissolved in cold water and hot water, and industrial plasticine is easily soluble in friendly cyclohexane.
Xylene or perchloroethylene swells and disperses (some can also be treated with low-grade liquid paraffin.)
Such as 3 white oil dissolved well to destroy the stall).
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Toy plasticine dissolves in water, while plasticine prepared with oil is insoluble in water.
Today, the material and process of plasticine have changed a lot, unlike before, it cannot be mixed, cannot be reused, and is relatively rough and hard. There are two types of plasticine: industrial plasticine and ordinary plasticine where children play.
Plasticine is used as a learning tool for young children. For example, in the teaching process of learning pinyin, let the children use plasticine to pinch the letters, with a variety of colors of plasticine into letters, let the children like which color to pinch which color, the children learn very fast.
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Good evening, the common white plastic trembling foam is EPS (expanded polystyrene) and EPU (expanded polyurethane, light yellow for plumbing pipes), to produce adhesion on their surfaces must be lipophilic solvent-based colloids, generally used as plasticine for children's toys because of the use of hydrophilic PVA gel can not be effectively bonded. The colloid in green pins and arrows of gum or bubble gum is PVAC (polyvinyl acetate), which can be bonded to the surface of the EPS.
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The foam ball in the dough is sold as a Ponotylon ball, and its main role is to make fillers and shapes. For example, you can stick the colored clay on the outside of the Styrofoam ball to make the head empty distribution department of the doll, or when it takes a lot of colored clay to make something larger, stuff the Styrofoam ball in the middle, and wrap the colored clay on the outside to save a lot.
Colored clay - children use to make creative modeling of a kind of educational toys, but the process and material than plasticine to improve a lot, soft and not sticky, it is red, yellow, blue, green, pink, orange, purple ...and so on, and can be mixed in pairs to create other colors of dough dough, such as red + yellow = orange, yellow + green = grass green. After the clay dries, adding an appropriate amount of water can restore the softness, which has an environmental protection effect, and is suitable for kneading creative works.
Try to avoid the magnetic stripe of the two bank cards overlapping together, and unintentionally place the two magnetic cards back to back, and the magnetic medium will rub against each other and collide, so it will be damaged. >>>More
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It's either divided or combined, it's as simple as that, hope.
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The reason why the ruler and eraser stick together are:
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