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.
