Sorbitan Esters (Span)can be used as emulsifier and stabilizer in food, textile, cosmetic, and other industry. Can also be used as drug carrier and solubilizer in pharmaceutical industry, as dispersant in mineral flotation
Polysorbate(Tween), it is polyoxyethylene sorbitan oleate can be used as emulsification protein in Biology experiment, sealants In biological experiments and O/W emulsifier
Span Tween,Emulsifier Used As Textile,Span Sorbitan Fatty Acid Ester,Tween Polyoxyethylene Sorbitan Oleate NINGBO LUCKY CHEMICAL INDUSTRY CO. LTD , https://www.cnluckychemical.com
1, sometimes by the sprinkler horn switch, if the speaker intermittent sound, most of the reasons for the internal horn switch caused by poor contact, of course, does not rule out the speaker itself.
2, the speaker sound is too small or not loud, generally due to no contact with the lead part of the lead, some of the commonly used contacts due to frequent use, over time will cause damage.
3. If the horn is completely unresponsive, check if the line is disconnected or if the horn is damaged. If it is the former, you only need to change the line. If the latter is the case, you need to change the horn.
Sprinklers are used very often during sunrise. If a speaker fails, it will cause a lot of unnecessary trouble during driving. Sometimes the horn switch is pressed and the speaker does not respond or produce abnormal sound. The problems of general horns are roughly attributed to the horn itself, switches, and lines.