China Fireproof and Flame-Retardant Sealant Supplier - High-Performance Factory-Grade Building Gap Sealant

Introducing our high-performance single component neutral curing sealant, specially designed for fire and smoke prevention. This versatile product effectively seals circular gaps and building joints in various structures and facilities, making it an ideal replacement for traditional silicone sealants that meet relevant performance standards. Manufactured in China, our sealant is the perfect choice for construction projects requiring reliable and lasting sealing solutions, Shelf Life: 12 months, Packaging Options:, - Standard Package: 300ml*24pcs/box, - Soft Pack: 590ml*20pcs/box, As a leading supplier and factory in China, we guarantee quality and compliance with industry requirements for all our products. Choose our sealant for superior performance and peace of mind in your building applications

Product Description

Product Advantages
🔥 FV-0 Flame Retardant
🏗️ Fire Resistance A3
☀️ UV & Ozone Resistant
🔗 No Primer Needed
  • Excellent flame retardancy, fire resistance, and high temperature resistance (Rating: FV-0 / A3).
  • Superior adhesion with most building materials without the need for primer.
  • Anti-aging properties, UV resistance, and stability in extreme high/low temperatures.
  • Excellent elasticity and resistance to displacement deformation after curing.
Characteristics
  • Easy to use: Ready-to-use formula can be squeezed out at any time.
  • Neutral curing: Compatible with most building materials without corrosion.
  • Professional Bonding: Formulates a strong, durable seal without extra prep layers.
  • Stability: Maintains performance integrity across diverse environmental conditions.
Basic Use
🏢

Primarily designed for bonding and sealing fireproof doors, windows, and curtain wall engineering layers that require high-standard flame retardant performance.

Restrictions on Use
  • Not suitable for materials that exude oil, plasticizers, or liquid organic substances.
  • Cannot be completely sealed from air before the adhesive has fully solidified.
  • Avoid use in areas permanently submerged in water or constant high-damp environments.
  • Not intended for high-friction areas such as pedestrian walkways or heavy physical impact zones.
Package & Color
📦

Provided in a net capacity of 300ml bottle packaging for professional use.

Storage & Technical Performance
🌡️ Store in dry/ventilated conditions below 27°C. Shelf life: 12 months.
🔬 Withstands high temperatures up to 850°C and features self-extinguishing properties.
Frequently Asked Questions
Q What is the flame retardant rating of this sealant?
The fireproof sealant has a flame retardant rating of FV-0 and a fire resistance rating of A3, meeting high-demand fire protection standards.
Q Does this sealant require a primer before application?
No, it is designed for excellent bonding directly with most building materials, saving time and simplifying the application process.
Q What is the maximum temperature resistance?
It can withstand temperatures up to 850°C under open flame exposure and will automatically extinguish when the fire source is removed.
Q Can it be used in wet or submerged areas?
It is not recommended for environments that are damp all year round or submerged in water for long periods. It performs best in dry or ventilated applications.
Q What are the primary applications for this product?
It is mainly used for sealing fireproof doors and windows, and providing flame retardant layers in curtain wall engineering.
Q How should the sealant be stored?
Keep it in its original packaging in a cool, dry, and ventilated area at or below 27°C to ensure a 12-month shelf life.

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