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Micro Sol, a popular decal setting solution, is used to soften decals enabling them to conform to the surface details of the model. The number of coats required can vary depending on the decal's thickness and the surface complexity. Typically, one or two coats are enough for most applications. However, for thicker decals or surfaces with more pronounced textures, additional coats may be necessary. It's crucial to allow each coat to dry completely, usually around 20-30 minutes, before applying the next. Applying too many coats without adequate drying time can cause the decal to wrinkle or tear. As a general guideline, start with one coat, evaluate the decal's adherence and appearance, and apply more as needed, ensuring proper drying time between coats.
The outer coating of a capsule, also known as the shell, is primarily composed of gelatin, which is a protein derived from the partial hydrolysis of collagen extracted from animal skin, bones, or connective tissues. Gelatin has been widely used due to its unique properties that make it ideal for encapsulating various substances. It is highly digestible, tasteless, odorless, and can form a stable, pliable, and sealed container for the active ingredients. Besides gelatin, capsules may contain small amounts of other substances such as preservatives (e.g., sorbitol, methylparaben) to prevent microbial growth, plasticizers (e.g., glycerin) to improve flexibility, and coloring agents for identification purposes. For individuals with specific dietary restrictions or preferences, vegetarian and vegan capsules are available, which are made from hydroxypropyl methylcellulose (HPMC), a plant-based polysaccharide that provides similar functionality to gelatin.
Rubbing alcohol, primarily composed of isopropyl alcohol, does not "eat" through Polyvininyl Chloride (PVC) in the way strong acids or solvents like acetone would. However, prolonged exposure to concentrated isopropyl alcohol can cause some degree of damage to PVC materials, potentially making them brittle or altering their physical properties over time. This effect stems from the alcohol's ability to extract plasticizers from the PVC, which are additives that give the plastic its flexibility and durability. Therefore, occasional brief contact is unlikely to harm PVC, but it's wise to avoid long-term or repeated exposure to maintain the integrity of PVC items.
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