Table of Contents
2,2,6,6-Tetramethyl-4-Piperidinyl Stearate (CAS 167078-06-0)
A high-performance hindered amine light stabilizer (HALS) widely used in polymer protection. This white waxy solid with ≥98% purity demonstrates exceptional UV resistance and thermal stability for polyolefins, engineering plastics, and elastomers.
Technical Parameters
| Parameter | Specification |
|---|---|
| Molecular Formula | C27H53NO2 |
| Molecular Weight | 423.72 |
| Appearance | White waxy solid |
| Melting Point | ≥28°C |
| Saponification Value | 128-137 mg KOH/g |
| Transmittance | ≥90% @450nm |
| Ash Content | ≤0.1% |
Key Industrial Uses
- PP automotive components (dashboards, bumpers)
- PE agricultural films and packaging materials
- TPO roofing membranes and cable insulation
- ABS/ASA outdoor electronic enclosures
- Polyurethane coatings for marine applications
Documented Success Cases
Case 1: Automotive TPO Components
A major auto parts manufacturer achieved 40% improvement in weatherability for exterior trim components using 0.8% UV 3853 in TPO formulations.
Case 2: Agricultural Film Production
Chinese film producer extended service life of PE greenhouse films from 12 to 24 months through synergistic use with UV absorbers.
Certified Suppliers (March 2025)
| Supplier | Package | Price Range | Lead Time |
|---|---|---|---|
| Qingdao Jaden Advanced Materials | 25kg drums | $70-85/kg | 2 weeks |
| Wuhan Shuer Biotechnology | 20/180kg PE drums | $320-350/kg | 1 week |
| Hubei Hongfuda Bio-Tech | Custom packaging | RFQ basis | 3-5 days |
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