CAS No. 557-05-1 Zinc Stearate Distearate Building Waterproofing Agent Rubber Release Agent White Powder

Product Description

Item	Standard	Sample Analysis Result
Appearance (or Qualitative Test)	White powder	White powder
Melting Point (°C)	120±5	124
Ash Content (%)	13.0-13.8	13.4
Free Acid Content (%)	≤0.5	0.4
Heating Loss (%)	≤0.5	0.3
Bulk Density (g/cm³)	0.25-0.30	0.27
Fineness (200-mesh Sieve Pass Rate %)	≥99	Qualified

Zinc stearate features excellent thermal stability and low initial discoloration tendency,
coupled with good light stability. When used in combination with calcium stearate and barium
stearate, it exhibits a synergistic effect. It also functions as a foam regulator and can be used as
a foaming auxiliary agent in foamed products.
Zinc stearate serves as a lubricant in cosmetic loose powders, adhesive powders, and plastic
products. It acts as a heat stabilizer for polyvinyl chloride (PVC). When compounded with
barium-cadmium soaps, it is mainly applied in flexible PVC products, with the key advantages
of inhibiting initial discoloration and preventing sulfurization contamination.
Additionally, zinc stearate works as a lubricant and mold release agent for thermosetting plastics
(including styrene-based resins such as polystyrene, ABS, and SAN resins, phenolic resins,
amino resins) and polyesters, especially suitable for transparent products.
In the rubber industry, zinc stearate is employed as a rubber compound lubricant, anti-adhesive
agent, and activator for vulcanization catalysts. It also acts as a glazing agent in textile finishing,
as well as a flatting agent in the paint and enamel industries.

FAQ

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: 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.