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YS-CT is an integrated intumescent flame retardant compounded from a phosphorus nitrogen system and a high efficiency charring agent, specially designed for coating systems. It can be added directly to water based or solvent based coatings without the need for additional compounding of other flame retardant components. Upon exposure to fire, it rapidly intumesces to form a dense, thick microporous char layer, effectively insulating heat and oxygen while suppressing smoke generation, thereby significantly enhancing the fire protection performance of the coating. It is suitable for steel structure fireproof coatings, wood fire retardant coatings, and various intumescent decorative coatings.
YS-CT
Yinsu
YS-CT
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I. Product Introduction
YS-CT is an integrated intumescent flame retardant compounded from a phosphorus nitrogen system and a high efficiency charring agent, specially designed for coating systems. It can be added directly to water based or solvent based coatings without the need for additional compounding of other flame retardant components. Upon exposure to fire, it rapidly intumesces to form a dense, thick microporous char layer, effectively insulating heat and oxygen while suppressing smoke generation, thereby significantly enhancing the fire protection performance of the coating. It is suitable for steel structure fireproof coatings, wood fire retardant coatings, and various intumescent decorative coatings.
II. Product Technical Data Sheet
Parameter | Specification |
Appearance | White to off‑white powder |
Phosphorus content (w/w) | ≥20% |
Nitrogen content (w/w) | ≥15% |
Moisture (w/w) | ≤0.5% |
Particle size (D50) | ≤15 μm |
Decomposition temperature (1%, TGA) | ≥250°C |
pH value (10% suspension) | 5.5–7.0 |
III. Product Features
Ready to use formulation – Phosphorus nitrogen flame retardant and charring agent are pre compounded in an optimal ratio, eliminating the need for complex on site compounding steps.
High efficiency intumescence – Rapidly expands and forms a robust char layer upon fire exposure, providing thermal insulation, oxygen barrier, and smoke suppression, effectively delaying flame spread.
Environmentally friendly – Halogen free and heavy metal free, compliant with RoHS, REACH and other environmental regulations; low smoke and low toxicity during combustion.
Good compatibility – Excellent compatibility with water based acrylic, polyurethane, epoxy, as well as solvent based alkyd, amino and other coating resins, without affecting coating adhesion and flexibility.
Stable storage – Good powder flowability, low tendency to absorb moisture or cake, with stable performance throughout shelf life.
IV. Applications
Water based intumescent fireproof coatings, solvent based intumescent fireproof coatings, finishing fire retardant coatings, etc.
V. Package Storage & Transportation
1. Paper bag with inner PE bag, 25kg/bag.
2. Under normal conditions it is physically and chemically stable and non-volatile.
3. Avoid inhalation, swallowing or contact with skin and eyes.
4. Store in a cool and ventilated place.
