High-flexibility dispersible polymer powder for skim coat
RDP Technical Comparison for Skim Coat
Performance Metrics of Rigid, Semi-Flexible, Flexible & Hydrophobic Grades
| Type |
MFFT / Tg |
Dosage |
Strength |
Flexibility |
Application |
| Rigid |
MFFT: 10–15°C
Tg: 15–25°C |
0.5%–1.5% |
High compressive strength; rigid layer. |
Low elasticity; prone to hairline cracks. |
Interior Putty / Skim coat on concrete & bricks. |
| Semi-Flex |
MFFT: 4–8°C
Tg: 0–10°C |
1.0%–2.5% |
Balanced tensile strength & abrasion. |
Moderate crack-bridging capability. |
General Interior/Exterior skim coats. |
| Flexible |
MFFT: 0–3°C
Tg: -15 to -5°C |
2.0%–4.0% |
Exceptional bond & cohesion strength. |
Superior crack-bridging & high elongation. |
Flexible Exterior Skim Coat, ETICS/EIFS, ALC panel. |
| Hydrophobic |
MFFT: 0–5°C
Tg: -10 to 5°C |
1.5%–3.5% |
Strong weathering & erosion durability. |
Lotus-effect water-repellency (<0.1 kg/m²√h). |
Waterproof Exterior Render, bathroom wall putties. |
Formulation Key: Lower MFFT allows polymer film formation in cold weather; Hydrophobic grade prevents moisture penetration and efflorescence.
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