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The storage conditions for bisphenol A should revolve around the core objectives of “preventing deterioration, ensuring safety, and avoiding environmental impact”.

Uses of Bisphenol A (BPA)

Bisphenol A (BPA) is an essential raw material for the synthesis of polycarbonates, epoxy resins, and high-temperature resistant polyesters. It is also used as a PVC stabilizer, plastic antioxidant, UV absorber, fungicide, etc.
As a versatile compound, BPA is extensively employed in the production of epoxy resins, polycarbonates, polyester resins, polyphenylene ether resins, and polysulfone resins. Additionally, it serves as a stabilizer for polyvinyl chloride (PVC), an antioxidant in plastics, a UV absorber, an agricultural fungicide, and an anti-aging agent in rubber.
It is also utilized as an antioxidant and plasticizer in paints and inks. In organic synthesis, BPA acts as a key ingredient for manufacturing epoxy and polycarbonate resins, and it is widely applied as an important raw material for high-molecular synthetic compounds, as well as in anti-aging agents, plasticizers, and agricultural fungicides.

1. Delivery Reliability & Operational Excellence
Key Features:
Strategic inventory hubs at Qingdao, Tianjin, and Longkou port warehouses with 1,000+
metric tons of stock available
68% of orders delivered within 15 days; urgent orders prioritized via express logistics
channel (30% acceleration)
2. Quality & Regulatory Compliance
Certifications:
Triple-certified under REACH, ISO 9001, and FMQS standards
Compliant with global hygiene regulations; 100% customs clearance success rate for
Russian imports
3. Transactional Security Framework
Payment Solutions:
Flexible terms: LC (sight/term), TT (20% advance + 80% upon shipment)
Specialized schemes: 90-day LC for South American markets; Middle East: 30%
deposit + BL payment
Dispute resolution: 72-hour response protocol for order-related conflicts
4. Agile Supply Chain Infrastructure
Multimodal Logistics Network:
Air freight: 3-day delivery for propionic acid shipments to Thailand
Rail transport: Dedicated calcium formate route to Russia via Eurasian corridors
ISO TANK solutions: Direct liquid chemical shipments (e.g., propionic acid to
India)
Packaging Optimization:
Flexitank technology: 12% cost reduction for ethylene glycol (vs. traditional drum
packaging)
Construction-grade calcium formate/Sodium Hydrosulfide:Moisture-resistant 25kg woven PP bags
5. Risk Mitigation Protocols
End-to-End Visibility:
Real-time GPS tracking for container shipments
Third-party inspection services at destination ports (e.g., acetic acid shipments to South Africa)
After-Sales Assurance:
30-day quality guarantee with replacement/refund options
Complimentary temperature monitoring loggers for reefer container shipments

Bisphenol a Acetone/Water Drying
The reactor effluent is first sent to a drying tower, where unreacted acetone and water generated by the reaction are removed. The drying tower contains two packing layers. The feed inlet is in the middle of the tower, and the tower operates under medium-high temperature and vacuum conditions. The overhead product is sent to an acetone tower to separate acetone and water. Acetone is refluxed to the reactor together with fresh acetone as reactor feed, while water is sent to the phenol extraction unit. The bottom product of the tower is used as a preheater for the drying tower feed. After cooling, it is sent to the adduct crystallizer to generate P-BPA Bisphenol a adduct.