Siliconized Sealant General 871

Siliconized Sealant General 871

High Adhesion and Superior Durability

Product Description

PROOFAB Gray Siliconized Sealant 851 is an acrylic resin-based siliconized sealant offering excellent adhesion and elasticity. Also referred to as mastic, this sealant is widely utilized for sealing UPVC and aluminum double-glazed windows and doors, effectively preventing the infiltration of water, moisture, and dust. Additionally, it does not pose any contamination risk to potable water.

With its superior elasticity, the sealant ensures long-term resistance to structural movements and vibrations, making it highly suitable for door and window sealing applications. Upon curing, PROOFAB 851 maintains its flexibility and elasticity, making it a versatile and cost-effective solution for various construction and industrial applications.

Technical Features and Advantages

• Maintains elasticity and flexibility after curing
• Economical and cost-effective sealing solution
• Excellent adhesion to various construction materials
• Strong bonding properties with different substrates
• Creates a fully waterproof and moisture-resistant surface
• Environmentally friendly composition
• Long service life and outstanding durability
• High resistance to dynamic and structural movements
• Safe for potable water applications
• Excellent UV resistance for outdoor durability
• Withstands extreme weather conditions
• Prevents freezing in sealed areas
• High chemical and acid resistance
• Non-sagging formula during and after application
• Superior resistance to environmental degradation
• Excellent dust resistance for prolonged performance

Applications

• Sealing of single-glazed and double-glazed windows and doors
• Sealing aluminum doors and windows in construction projects
• Waterproofing and joint sealing in water supply and sewage systems
• Sealing around sanitary fixtures such as sinks, bathtubs, Jacuzzis, and toilets
• Filling and sealing joints, cracks, and expansion gaps
• Handicraft and DIY applications requiring flexible bonding
• Small-scale aquarium assembly and repairs
• Bonding and sealing of plastic surfaces
• Sealing applications on bricks, tiles, ceramics, concrete, gypsum, and other materials
• Sealing wooden joints and surfaces
• General maintenance and repair work in residential and commercial buildings

Consumption Rate

The required quantity of PROOFAB 851 depends on the application surface area and volume needed for effective coverage.

Application Method

1. Surface Preparation: Ensure that the surface is clean, dry, and free from dust, oil, and contaminants before application.
2. Masking: Apply masking tape around the sealing area to achieve a clean finish.
3. Cartridge Preparation: Insert the sealant cartridge into a suitable sealant gun.
4. Nozzle Cutting: Cut the nozzle tip at the required width, depending on the application.
5. Sealant Application: Apply the sealant along the joint or surface in a continuous, even bead.
6. Tooling: Smooth the applied sealant using a putty knife or spatula for a uniform finish.
7. Curing Time:
   • Initial drying: Minimum 12 hours
   • Full curing: Up to 48 hours, depending on ambient temperature, humidity, and thickness.

Safety and Handling

• Use protective gloves during application.
• This product is non-toxic, non-flammable, and environmentally safe.
• Avoid direct contact with skin and eyes. If ingested, seek immediate medical attention.
• In case of eye contact, rinse thoroughly with clean water and consult a physician.

Storage and Shelf Life

• Shelf Life: 1 year in original sealed packaging
• Storage Conditions: Store in a dry, cool place away from frost, excessive heat, and direct sunlight
• Optimal Storage Temperature: +10°C to +30°C

Packaging

• Cartridge Size: 280 g
• Box Quantity: 24 cartridges per carton