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- The use of textile levelling agent O, Pingjia is mainly used for textile printing and dyeing colorColor: ≤30, Pt-Co, pH value: 5.5~7.0 (1% aqueous solution), turbidity point: 91.0~96.0℃(0.5g levelling agent O dissolved in 5%NaCl solution), dispersion power of calcium soap: ≥30.0g, moisture: ≤1.0%Applications of Periga O-25:In the printing and dyeing industry, Pingplus is widely used as a levelliProduct & Technology July 31, 2023
- What are the main functions of peregal O in dyeing and finishingPeregal O-10, HLB value 12-13, easy to dissolve in water, with excellent emulsification, cleaning, wetting properties, can be used as emulsifier, wetting agent, detergent and spinning oil components.Peregal O-15, HLB value 14-15, easy to dissolve in water, hard water, acid, alkali stability, with exProduct & Technology August 01, 2023
- Some application explanations about Span 60Span alias sorbitan fatty acid ester. Its appearance is white or yellowish wax, flake, powder (≥100 mesh). Soluble in hot ethanol, ether, methanol and carbon tetrachloride, slightly soluble in ether, petroleum ether, can be dispersed in hot water, is a w/o emulsifier, with strong emulsification, disProduct & Technology August 02, 2023
- Concrete Knowledge 100 Questions (10)55. How to prevent loss?A: The production controller should pay attention to the change of water consumption in the production process, when the water consumption is 10kg or more less than the set water consumption of the production mix used, that is, the less water should be added to the sand. TheProduct & Technology June 08, 2023
- Concrete Knowledge 100 Questions (9)49, How to treat customers?A: First of all, we should treat customers with polite words and deeds, first say hello and then ask questions, the tone is kind and not rude, and the language is civilized and does not panic; Able to do immediately to do, not lazy people do not delay; Reasonable requiremeProduct & Technology June 07, 2023
- Concrete Knowledge 100 Questions (8)43. What is the impermeability of concrete?A: It refers to the concrete's resistance to pressure water infiltration. Both basement and reservoir are required to have good impermeability.44, impervious concrete commonly used impervious grade has a few?A: There are four commonly used impermeability gr
- Concrete Knowledge 100 Questions (7)37, how to check the quality of concrete mold test?A: Use vernier caliper to measure the length, width and height of the test die, allowing error ≤0.5mm. With caliper back and 0.02 ~ 1mm stainless steel gauge with measuring four inner surface flatness, allow error ≤0.05㎜ (standard method is card 100Product & Technology June 05, 2023
- Concrete Knowledge 100 Questions (6)31, concrete mix main test which several performance?A: It mainly tests the workability, slump and gas content of the mixture. Workability is represented by cohesiveness, water retention, fluidity and comprehensive expression.(1) cohesiveness - by eye observation, when the slump is done, the test boProduct & Technology June 02, 2023
- Concrete Knowledge 100 Questions (5)25. Which kinds of concrete mixing water should be used?Fresh water, tap water, groundwater, drinking water, recycled water, mixing station car washing water (part of mixing). Industrial waste water, domestic waste water and seawater shall not be used.26. What is the meaning of the word concrete? HoProduct & Technology June 01, 2023
- Concrete Knowledge 100 Questions (4)19. What items should be inspected when fly ash enters the factory?A: The fineness and water requirement ratio of fly ash should be tested. The key item is water requirement ratio. If the fineness slightly exceeds the standard and the water requirement reaches the level II requirement, the ash can bProduct & Technology May 31, 2023