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Q what is the distinction between dye and pigment colorants
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SheilaField Release Time: April 14, 2024, 2:52 PM
The classification of synthetic motor oils is based on the evaluation standards of API (American Petroleum Institute) and SAE (Society of Automotive Engineers). API uses letters to represent engine oil quality grades. The later the letter, the higher the grade of the engine oil. For gasoline engine oil, the letter s represents, for example, the grades represented by s include SA, SB, SC, SE, SF, SG, SH, SJ, SL, SM, SN, etc.; for diesel engine oil, the letter c represents, such as CB, CC, CD, CE, CF, CF-4, CG-4 and CH-4 etc. SL, SM and SN grade engine oils are more common, among which SN grade engine oil has better wear resistance and cleanliness. The base oil of engine oil is its largest component and can be divided into five categories according to specifications. Among them, type 1, 2, and 3 base oils are called mineral oils, while type 4 and 5 base oils are called synthetic oils. Among synthetic oils, the most common is fully synthetic motor oil, which is blended using Category 5 ba...
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Q how to make alcohol ink with pigment
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JaniceLambert Release Time: April 11, 2024, 3:57 AM
Making alcohol ink with pigment involves a simple process. Begin by sourcing a high-quality, powdered pigment of your choice. Ensure the pigment is fine and pure for the best results. Next, acquire isopropyl alcohol (91% or higher) for mixing. In a small container, gradually add the powdered pigment to the alcohol. Start with a ratio of about one part pigment to three parts alcohol, adjusting based on the desired opacity and intensity. Stir the mixture thoroughly until the pigment is completely dissolved. For a smoother consistency, consider passing the solution through a fine mesh strainer to remove any undissolved particles. Once your ink is prepared, store it in airtight containers to prevent evaporation. You can experiment with different pigment combinations and alcohol ratios to create custom colors and effects.
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