Comparison of technical parameters of Sealing putty

Technical Parameter Comparison Table

Technical IndicatorFACTOP
Sealing Putty
3M 2000+Dow Corning 7091Hilti CP 601SPanduit DS1Honeywell Firestop 700
Density1.4–2.0 g/cm³ ★1.34 g/cm³1.4 g/cm³1.3 g/cm³1.8 g/cm³/
Flame Retardant RatingV0 ★V0 (tested by ASTM E84)UL94 V1///
Fire Resistance IntegrityDirect flame exposure for 3.5h, temperature rise on unexposed side < 110°C ★4h (ASTM E814)/4h (BS 476 Part 20)/4h (specific structure)
Temperature Resistance Range-60°C to 260°C ★-29°C to 150°C-40°C to 180°C-40°C to 160°C-34°C to 99°C-55°C to 204°C
Dielectric Strength> 10 kV/mm ★///8 kV/mm (200 V/mil)/
Surface Resistivity≥ 1.0×10¹⁵ Ω·cm ★//98.4×10¹⁰ Ω·cm//
Freeze-Thaw Cycle Resistance≥ 15 cycles (no cracking or chalking) ★/////
Joint Displacement Capacity/±13%/±25%/±50%
Moist Heat Resistance≥ 360h (no cracking or chalking) ★/////

Summary of Advantages

  1. Superior Fire Resistance Performance
    FACTOP outperforms competitors in both fire resistance integrity and fire resistance heat insulation. It precisely controls the temperature rise on the unexposed side during 3.5 hours of direct flame exposure, while most rival products only declare fire resistance duration without detailed temperature-rise data.
  2. Ultra-Wide Temperature Tolerance
    With a temperature resistance range of -60°C to 260°C, FACTOP far exceeds mainstream international brands (e.g., 3M 2000+ covers -29°C to 150°C, Hilti CP 601S covers -40°C to 160°C). This makes it viable for extreme environments (e.g., polar regions, high-temperature equipment compartments) where other products cannot operate.
  3. Outstanding Electrical Insulation
    FACTOP features dielectric strength > 10 kV/mm and surface resistivity ≥ 1.0×10¹⁵ Ω·cm, which are superior to rivals like Panduit DS1 (8 kV/mm) and Hilti CP 601S (98.4×10¹⁰ Ω·cm). It provides more reliable insulation for high-voltage scenarios (e.g., power transmission systems).
  4. Strong Environmental Durability
    FACTOP withstands ≥ 360 hours of moist heat and ≥ 15 freeze-thaw cycles without cracking or chalking, ensuring long-term stability in harsh environments (e.g., coastal areas, cold zones with repeated freezing-thawing). Most international brands lack such detailed and long-duration environmental resistance data.
  5. Top-Tier Fire Safety Ratings
    Achieving V0 flame retardant rating (the highest level in UL94) and A3 fire rating, FACTOP self-extinguishes quickly and prevents flame spread—outperforming products like Dow Corning 7091 (UL94 V1) in fire safety.
  6. Enhanced Structural Integrity
    With a density of 1.4–2.0 g/cm³ (combined with A3 fire rating), FACTOP’s blocking layer has stronger structural integrity. It better resists external impacts and maintains sealing/firestop effects long-term—critical for vital applications.