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UV-329 Absorber Plastic Additives Auxiliary Agent CAS 3147-75-9 from Siwin for Plastics
Negotiable
1 kg
Sample price:US$10.00/kg.Request sample

Product profile

Customization

Available

CAS No.

3147-75-9

Formula

C20H25N3O

Model NO.

Siwin-UA329

EINECS

C20H25N3O

Color

White

Appearance

Powder

Transport Package

25kg carton inner with plastic bag or as customer`

Specification

N/A

Trademark

Siwin

Origin

China

HS Code

2931900090

Production Capacity

100000

Key features

Strong UV Absorption: Strongly absorbs ultraviolet radiation in the 300-400nm region to protect polymers.
High Temperature Stability: Suitable for high temperature processing engineering plastics with low volatility.
Wide Application Range: Compatible with polyolefin, PET, PVC, PP, PS, PC, ABS, and epoxy resins.
Anti-Aging Performance: Improves anti-aging properties for films, sheets, and fibers to maintain appearance.
Synergistic Compatibility: Can be used together with phenolic antioxidants and hindered amine light stabilizers.
High Purity Grade: Ensures high quality with a minimum purity of 98.5% and low ash content.
Customizable Packaging: Available in 25kg cartons with plastic bags or customized as per customer requirements.

Company profile

Nanjing Siwin New Material Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamExhibition Experience
Business Type: Manufacturer/FactoryAverage Response Time: ≤3.39h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a broad scope covering specialized chemicals, synthetic materials, sealing products, rubber, coatings, mechanical equipment, and related materials. It holds ISO 9001 and GMP management-system certifications. Evidence indicates active R&D, new product development during the past year, ODM services, and broad customization capabilities. Quality controls include raw-material traceability, written inspection instructions, and random finished-product inspection, but only one quality assurance/control inspector is reported. Service procedures for supplier assessment, corrective and preventive action, and customer complaints are documented and followed. Inventory capability is available, while overseas warehousing and showrooms are not. The records do not establish financial credibility, manufacturing capacity, or specific customer cases.
CertificationsThe supplier reports ISO 9001 and GMP certification for its management systems. These are explicit certifications relevant to quality and regulated operating practices, supporting a positive assessment for this field.
After-Sales capabilityThe supplier has written procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. This directly supports an established after-sales issue-handling process.
R&D capabilityThe supplier reports new products within the past year, provides ODM services, and offers R&D capability as part of its supplier offering. However, it has no available SDK, so the evidence supports product-development capability but not SDK-based innovation support.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. These capabilities are reported both in its R&D information and its design-service records, providing direct evidence of broad customization support.

Product Q&A

Q:What is the CAS number of UV-329?
A:
The CAS number for UV-329 is 3147-75-9.
Q:What is the chemical formula of this product?
A:
The chemical formula is C20H25N3O.
Q:What is the melting point of UV-329?
A:
The melting point ranges from 103 to 105.3 degrees Celsius.
Q:What is the minimum purity of the product?
A:
The product has a minimum purity of 98.5%.
Q:What is the standard packaging size?
A:
The standard package is 25kg per carton with an inner plastic bag.

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