Table of Contents
- Product Overview & Specifications
- Key Industrial Applications
- Performance Comparison With Alternative Esters
- Technical Usage Guidelines
- Industry Case Studies
- Contact for Technical Consultation
Pentaerythrityl Tetrastearate (CAS 115-83-3) Technical Specifications
Basic Chemical Properties
| Parameter | Specification |
|---|---|
| CAS Number | 115-83-3 |
| Molecular Formula | C₇₇H₁₄₈O₈ |
| Appearance | White to pale yellow waxy solid |
| Melting Point | 58-65°C |
| Acid Value | ≤15 mg KOH/g |
| Hydroxyl Value | ≤20 mg KOH/g |
Comparative Analysis
| Property | Pentaerythrityl Tetrastearate | Pentaerythrityl Tetraoleate | Glyceryl Stearate |
|---|---|---|---|
| Thermal Stability | Excellent (>200°C) | Good (160-180°C) | Moderate (120-140°C) |
| Polymer Compatibility | PVC, PE, PP | Rubber, Elastomers | Cosmetic Bases |
| Hydrolysis Resistance | Superior | Moderate | Low |
Industrial Applications Breakdown
Primary Functional Uses
- Plastic Lubrication: Reduces torque requirements in PVC processing by 18-22%
- Mold Release Agent: Minimum 500-cycle performance in polyolefin molding
- Cosmetic Texturizer: Provides non-greasy feel in SPF creams (5-15% formulation)
- Rubber Processing: Lowers Mooney viscosity by 12-18% in SBR compounds
Performance Benchmarking Data
| Test Parameter | Result | ASTM Method |
|---|---|---|
| Melt Flow Index Improvement | 23-27% | D1238 |
| Color Stability (ΔYI) | <2.0 after 300hrs | D6290 |
| Coefficient of Friction | 0.08-0.12 | D1894 |
Technical Implementation Protocols
Optimal Processing Parameters
| Application | Dosage Range | Temperature Range |
|---|---|---|
| PVC Stabilization | 0.3-1.2 phr | 160-190°C |
| Cosmetic Emulsions | 3-8% w/w | 70-85°C |
| Rubber Compounding | 0.5-2.0 phr | 120-150°C |
Documented Industry Implementations
Case Study 1: Automotive PVC Profile Manufacturer (Germany)
- Challenge: Excessive die buildup requiring 3hr/day cleaning
- Solution: 0.8phr Pentaerythrityl Tetrastearate addition
- Result: 72% reduction in downtime, improved surface gloss (85→92 GU)
Case Study 2: French Cosmetic Brand
- Requirement: Non-comedogenic sun care emulsion
- Formulation: 6% Pentaerythrityl Tetrastearate base
- Outcome: SPF 50+ stability with 18% lower oil content
Technical Consultation & Sample Requests
For formulation assistance or material testing protocols:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Request product datasheets with full toxicological profiles and REACH compliance documentation.



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