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The quality of the oil used in garden tools is directly […]
The quality of the oil used in garden tools is directly related to whether the garden tools can operate normally. If the quality of oil used in garden tools is not enough, it not only makes garden tools prone to malfunction, but also causes great damage to garden tools themselves. Therefore, we must pay attention to when choosing oil for garden tools.
1. Look at the appearance.
Different types of oil products have different color appearance. Observe the appearance color of the oil carefully. The lighter colors are mostly light fractions and deeply refined oil products. The darker colors are mostly residual oil residues, less refined oil, or heavy fraction oil products.
2. Smell the smell.
The smell of oil is generally divided into gasoline, kerosene, diesel, alcohol, aromatic, sour and so on. Oils with additives have a certain sour taste; oils with alcohol content have an alcohol taste; light solvent oils have an aromatic taste.
3. Touch the softness and smoothness of the oil.
The refined oil hand mold has a strong smooth feeling, and the poorly refined oil has a poor smooth feeling. Grease and softness can be roughly divided into different grades, the smaller is softer, the larger is harder.
4. Observe the thickness of the oil after shaking.
Shake the oil in a colorless glass bottle, and observe the phenomenon of oil film hanging bottle and the generation and disappearance of bubbles, etc., you can basically distinguish different brands of oil products. Oils with low viscosity produce more bubbles, rise fast, disappear quickly, and hang less bottles; oils with higher viscosity produce less bubbles, rise slowly, and disappear slowly, but there are more oil hanging bottles.