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How to distinguish between good steak and made from the meat of the "synthetic steak"
- In fact, it is not a big deal, anyway, beef, not the mouse meat, up to spend a little more money only.s
Use of sealant
- Construction surface should be clean, hard, dry and no oil, grease and surface dirt such as release agent, curing film and hydrophobic agent. Thoroughly remove all loose particles and ash to search for dusts
Difference between Epoxy Adhesive and Silica Structural Sealant
- There is a difference, epoxy curing are generally hard, and silicone rubber is generally soft, the temperature side of the epoxy silicone is not good, but the strength can be said that epoxy is better than silicone rubber, need to use this Two kinds of glue can find mes
Corn starch carton adhesive
- Corn starch glue.s
What is the difference between RTV industrial sealants and adhesives?
- Sealant mainly from the sealing effect, usually thicker, like toothpaste as creamy. Adhesives mainly from the role of bonding, usually thinner, you can flow.s
Adhesives, adhesives, sealants and the role of the same effect? What is the difference?
- The first two should be similar things, sealants belong to another class of material, depending on the application of its role and the effect of the requirements of the big difference, specifically you need to understand what the problem can be made directly to give you more clear Reply.s
In the conservation company has shares, and later to the toll station, now the toll station withdrawal?
- Concrete crack treatment, refers to the scientific approach to the repair of concrete cracks in the technology. Concrete cracks generally have three states: static cracks, active cracks, is developing cracks. The choice of concrete crack treatment methods generally to consider the factors: to determine whether the cracks are active or static; repair the main purpose of what? Is to reduce the excessive leakage, so that the cracks at the complete water; whether the need for reinforcement treatment; crack the main reason is what; cracks in the future changes (value and direction) how. - 13 common methods of concrete crack treatment: 1. resin infusion method; 2. surface sealing method; 3. drilling insert method; 4. flexible sealing method; 5. surface additional reinforcement method; 6. grouting method; . Dry insert method; 8. nail method; 9. polymer immersion method (gravity infiltration and vacuum infiltration); 10. Die surface layer and surface treatment method and so on.s
About new feed additive declaration
- Can take alkali copper example, there are several companies to produce, right, the key is that you need to complete the relevant research independently, which is not the same as the patent, but after the protection period, other enterprises do not seem to do the toxicity test.s
System nomenclature of four organic compounds
- Do you know system nomenclature of four organic compounds? System nomenclature of four organic compounds---Nomenclature of alkanes The name is the basis of all alkanes named open c...
Do you know the industrial inorganic chemistry?
- The synthetic ammonia industry, sulfuric acid industry, chlor alkali industry,which are the most important industrial inorganic chemistry,they have their own set of industrial syst...
How to distinguish organic and inorganic substances？
- How to distinguish organic and inorganic substances？It is containing carbon compounds (carbon monoxide, carbon dioxide, carbonate, metal carbides and a few simple containing carb...
Do you know the famous cleaning chemical manufacturers?
- Do you know the famous cleaning chemical manufacturers?And do you have any knowledge of the cleaning chemical manufacturers?Maybe you know the cleaning chemical manufacturers brand...
Method for the classification of chemistry organic compounds
- In the narrow sense，chemistry organic compounds are mainly composed of carbon and hydrogen elements,they are compound which must contain carbon,but they do not include the carbon...