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does bleach damage polypropylene
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Benzoin resin is a balsamic resin derived from the bark of several species of trees in the genus Styrax, mainly found in Southeast Asia. The most common sources are Styrax benzoin and Styrax tonkinensis, among others. To harvest benzoin, incisions are made in the tree bark, from which the resin exudes and then hardens upon exposure to air and sun. This resin has been valued for centuries for its aromatic qualities and is often used in incense, perfumery, and as a flavoring agent. Additionally, it has medicinal properties and has been used in traditional medicine for its antiseptic and anti-inflammatory characteristics. The extraction and trade of benzoin resin have been significant for the economies of countries like Indonesia, Thailand, and Vietnam.
Yes, there is low sheen or matte finish epoxy available. Traditional epoxy coatings are known for their high-gloss finish, which is reflective and shiny. However, manufacturers have developed low sheen options to cater to different aesthetic preferences or specific project requirements. These matte epoxy finishes are created by adding matting agents to the epoxy formula, which scatters light differently, reducing the gloss level. This can be particularly desirable in settings where glare from lighting needs to be minimized, or a more subtle, sophisticated look is preferred. Low sheen epoxy provides the same durable, resistant qualities as high-gloss epoxy, making it suitable for floors, countertops, and other surfaces where a less reflective finish is desired.
Differentiating between leather and PVC (polyvinyl chloride) involves both visual and tactile examination. Leather, a natural material, typically has a more irregular grain pattern and may have imperfections or variations in texture, indicative of its organic origin. It feels warmer to the touch and becomes more supple over time. Leather also has a distinctive smell that PVC cannot replicate. PVC, on the other hand, is a type of plastic that mimics the look of leather but usually has a more consistent pattern and texture. It feels cooler and is less breathable, often resulting in discomfort if used in clothing or upholstery. PVC may also have a faint chemical scent. Additionally, the edges of PVC products tend to look more plastic-like and less natural than those of genuine leather items. A water absorption test can also help, as leather will absorb a small amount of water, while PVC will not.
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