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Premium Calcium Stearate for Plastic and Rubber
US$1.00-1.30
25 Tons
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Product profile
Customization
AvailableCAS No.
1592-23-0Formula
C36h70cao4Model NO.
Calcium StearateEINECS
216-472-8Certification
CCIC, REACHEnvironmental Protection
YesColor
WhiteKind
StabilizerAppearance
PowderTransport Package
25kg/BagSpecification
25kg/bagTrademark
NEWSANDAOrigin
ChinaHS Code
3824999200Production Capacity
15000tons Per YearKey features
As a secondary heat stabilizer in PVC processing, calcium stearate effectively delays thermal decomposition during high-temperature processing. When used in combination with primary stabilizers (such
The long-chain fatty acid groups in the molecular structure provide excellent internal lubrication. Effectively reduces internal friction of the polymer melt, improves melt flowability, reduces energy
Good compatibility with PVC, PE, PP, and other plastic substrates. Disperses evenly during processing without agglomeration or exudation, ensuring smooth product surfaces and consistent performance.
Non-toxic, odorless, and pollution-free. Contains no heavy metals and complies with ROHS, REACH, and other environmental regulations. Widely used in food-contact PVC products, children's toys, medical
Combines multiple functions including heat stabilization, internal lubrication, anti-exudation, and anti-blocking. Also provides good moisture resistance and transparency retention. Widely used in PVC
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-03Nearest Port: QINGDAO, TIANJINAverage Response Time: ≤3.77hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA
AI-Powered supplier vetting
SummaryQingdao New Sanda Industry Co., Ltd. is a Chinese company that operates as both a trading company and a manufacturer, specializing in the global distribution of industrial additives. The company is ISO-certified and emphasizes technical innovation and customization in collaboration with international clients. It has a strong export orientation, with 90% of its sales from exports, and is expanding in emerging markets. The company provides comprehensive after-sales support and operates under flexible payment terms. Its production and quality control are supported by significant staff experience and two production lines.
Supplier typeQingdao New Sanda Industry Co., Ltd. functions as both a trading company and a manufacturer, indicating a dual capability in both production and distribution.
CertificationsThe supplier holds multiple ISO certifications including ISO 9000 and ISO 14001, signifying robust management systems in quality and environmental management.
After-Sales capabilityThe company provides multilingual documentation and tailored technical support, showcasing strong after-sales service capabilities.
R&D capabilityThe company is engaged in technical innovation and market-responsive product development, with a dedicated R&D team working on customized solutions.
Production capacityWith an annual production output between US$5 Million and US$10 Million and two production lines, the company shows a moderate production capability.
Customization capabilityThe company collaborates closely with clients to deliver customized formulations, indicating strong customization capabilities.
Product Q&A
Q:What is the role of calcium stearate in PVC?
A:
Calcium stearate serves dual functions in PVC as both a heat stabilizer and an internal lubricant. It neutralizes hydrogen chloride released during PVC degradation, delaying thermal aging, while reducing melt viscosity to improve processing flowability and reduce equipment wear. It is typically used in combination with zinc stearate and barium stearate for synergistic effects.
Q:What is the recommended addition level of calcium stearate?
A:
Calcium stearate is typically added at 0.3-1.0 phr (parts per hundred resin) in PVC formulations. For heat stabilization, addition levels are higher (0.5-1.0 phr). For lubrication purposes, levels are lower (0.2-0.5 phr). Overdosing may cause exudation or affect transparency. Optimal dosage should be determined through testing.
Q:What are the environmental advantages of calcium stearate?
A:
Calcium stearate is non-toxic, odorless, and pollution-free. It contains no heavy metals such as lead, and complies with RoHS, REACH, GB/T 26572, and other environmental regulations. Safe for use in food-contact PVC products, children's toys, and medical devices.
Q:How should calcium stearate be stored? What is its shelf life?
A:
Store in a cool, dry, well-ventilated indoor environment, away from moisture and direct sunlight. Calcium stearate is hygroscopic - reseal promptly after opening. Under proper storage conditions, shelf life is typically 12-24 months.
Q:How does the melting point of calcium stearate affect its performance?
A:
The melting point of calcium stearate is 145-155C, matching the plasticizing temperature range of PVC. It melts at the right time during processing to provide optimal lubrication and stabilization. A melting point that is too high may delay lubrication, while one that is too low may cause premature exudation.
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