Introduction
Composition: Polyamide wax dispersion
Appearance: light yellow paste
Active ingredient: 20%
Solvent: Mixed aromatic hydrocarbons
Scope of Application:
Suitable for all kinds of solvent-based coatings, ink systems
| Category | Details |
| Product Name | STD-9020 High-Temperature Thixotrope |
| Chemical Type | Organically modified layered silicate (OMLS) |
| Key Applications | – Solvent-Based Systems: Epoxies, polyurethanes
– High-Temp Coatings: Powder coatings, thermal sprays
– Oil-Based Drilling Fluids |
| Function | Forms house-of-cards structure for thermal stability and anti-settling |
| Advantages | – Heat Resistance: Maintains viscosity up to 180°C
– Sedimentation Control: >95% particle suspension
– Low Shear Thinning: 10x viscosity reduction under stress |
| Technical Data | – Appearance: Fine white powder
– Particle Size: D50=8μm
– Recommended Dose: 1.0-4.0% w/w
– Activation Temp: 60°C |
| Usage Method | – Dispersion: Pre-mix with resin@80°C
– Equipment: High-shear mixer
– Storage Temp: <30°C |
| Performance | – Thixotropic Index: 8-12 (ASTM D2196)
– Storage Modulus: Increases 500% after activation |
| Safety | – Handling: Use dust mask
– Flash Point: N/A (solid)
– Shelf Life: 24 months (dry storage) |
| Compatibility | Synergistic with fumed silica, works in polar/non-polar media |
Rheological Properties of STD-9020
| Property | Value | Test Method |
| Appearance | White to off-white powder | Visual inspection |
| Active Content | ≥98% | Gravimetric analysis |
| pH (1% solution) | 6.0–8.0 | pH meter |
| Brookfield Viscosity | 5.000–10.000 cP (1% solution) | ASTM D2196 |
| Thixotropic Index | 3.0–4.0 | Shear rate ramp test |
Recommended Applications & Dosages
| Application | Recommended Dosage | Key Effect |
| Water-based coatings | 0.2–0.8% | Prevents sagging, improves leveling |
| Adhesives & sealants | 0.3–1.0% | Enhances green strength |
| Personal care products | 0.1–0.5% | Improves cream texture |
| Construction materials | 0.5–1.5% | Reduces cracking in mortars |
Why Choose STD-9020?
✅ Superior Stability – Prevents phase separation in storage
✅ Low Dosage Efficiency – Reduces formulation costs
✅ Wide Compatibility – Works in solvent- and water-based systems
✅ Eco-Friendly – Free from heavy metals and harmful solvents
Rheology Modifier STD-9020 is a versatile and efficient solution for viscosity control across multiple industries. Its excellent shear-thinning behavior, stability, and compatibility make it ideal for formulators seeking consistent performance.
