Incidence and prevalence: The disease mainly occurs in the later period of culture. When the water temperature is below 20°C, the bottom of the pool is contaminated, and the organic matter content in the pool water is high and the disease is easily caused.
Prevention and control methods: Prevention: Mainly to maintain the fresh water in the aquaculture pond and collect the residual baits regularly so as not to pollute the bottom of the pool. In 20 days, the whole pool spilled lime at 15 mg/l to 20 mg/l. Treatment: Quanchiposa 5 mg/l ~ 8 mg/l povidone-iodine.
1, with excellent transparency and smoothness, display effect is good.
2, the surface decoration performance is excellent, can be printed without surface treatment, easy to press the pattern, easy to metal treatment (vacuum gold-plated layer)
3. It has good mechanical strength.
4. Good barrier performance for oxygen and water vapor.
5, good chemical resistance, can withstand a variety of chemical substances corrosion.
6, non-toxic, reliable health performance, can be used for food, medicine and medical equipment packaging, and can be Y ray [SPAN] to the packaging of the goods.
7, good adaptability to environmental protection, can be economical and convenient recycling; When the waste is incinerated, it does not produce harmful substances harmful to the environment. This type of sheet is considered to be an ideal packaging material to meet the environmental protection requirements (ROSH).
Plastic blister tray; vac forming tray;
taicang hexiang packaging material co.,ltd , https://www.medpackhexiang.com