Packaging Size: 300 ml cartridge
Packaging Type: Tube
Colours Available: Black, White, Grey, Clear
Brand: Wacker
Cure Type: Neutral Cure
Compatible Materials: Glass, Aluminium, Coated Metals, Ceramic Tiles
Country of Origin: Made in India
Availability: In Stock
In the construction industry, the exterior of a building is constantly battling the elements—searing heat, torrential rain, and freezing winds. If the sealant used in the windows, doors, or facades fails, the entire structure is at risk of water leakage, air infiltration, and energy loss.
Wacker WN Silicone Sealant Weatherseal Neutral Silicone Sealant is a premium, high-performance solution designed specifically to solve these challenges. Engineered with advanced German technology, this 300ml cartridge is the industry standard for professional-grade weather sealing. At Poly Prime Industry, we supply this high-performance sealant to architects, contractors, and glass fabricators across Delhi who refuse to compromise on quality and durability.
Wacker WN Silicone Sealant (Weatherseal Neutral) is a one-part, neutral-curing silicone. Unlike “Acetic” or “Acid-Cure” silicones that release a strong vinegar smell and can corrode metal, Wacker WN is chemically stable and safe for nearly all construction materials.
Since it is a neutral-cure system, Wacker WN Silicone Sealant is ideal for sensitive substrates. It will not react with or damage the protective coatings on aluminum profiles, galvanized steel, or specific plastics. This makes it the go-to choice for premium UPVC and aluminum window installations.
The sealant reacts with atmospheric moisture to form a tough, permanently flexible silicone rubber. This process ensures a deep, structural bond that remains intact even under extreme environmental stress.
Delhi’s climate is known for its intense UV radiation and temperature fluctuations.Wacker WN Silicone Sealant is UV-stabilized, meaning it won’t become yellow, brittle, or cracked after years of exposure to direct sunlight. Whether it’s 48°C in the summer or a cold winter night, Wacker WN maintains its integrity.
Buildings are not static; they expand and contract due to thermal changes. Wacker WN Silicone Sealant is highly elastic, allowing it to stretch and compress within expansion joints without losing its bond. This “high-movement” capability prevents the seal from tearing, which is the most common cause of leaks in exterior cladding.
One of the biggest time-savers for contractors is Wacker WN Silicone Sealant ability to bond to most common surfaces—such as glass, aluminum, masonry, concrete, and ceramic—without the need for an additional primer. This reduces labor costs and speeds up the installation process on-site.
The thixotropic (non-sag) nature of this sealant makes it perfect for vertical joints and overhead sealing in skylights or roofing. Additionally, its low-odor formulation ensures a comfortable working environment for the applicators, whether they are working indoors or outdoors.
Wacker WN Silicone Sealant is a versatile tool used in various high-stakes construction scenarios:
Structural Facades & Curtain Walls: Used as a weather-tight secondary seal in glass curtain walls and Aluminum Composite Panel (ACP) cladding.
Window & Door Perimeters: Providing a flexible, waterproof barrier between the wall (concrete/brick) and the window frame (UPVC/Wood/Aluminum).
Expansion & Construction Joints: Sealing movement joints in large concrete floors, brickwork, and masonry elevations.
Roofing & Skylights: Perfect for sealing polycarbonate sheets, glass skylights, and metal roofing joints where expansion and contraction are high.
Sanitary & Interior Works: While primarily for exteriors, its neutral nature makes it safe for high-end interior stone and tile sealing where acetic silicones might cause staining.
| Property | Value / Detail |
| Brand | Wacker (Genuine German Technology) |
| Model | WN (Weatherseal Neutral) |
| Packaging | 300ml Rigid Cartridge |
| Cure System | Neutral Alkoxy (Moisture Curing) |
| Skin Formation Time | Approx. 15-20 Minutes |
| Full Cure Rate | 2-3 mm / 24 Hours |
| Service Temperature | -40°C to +150°C |
| Shore A Hardness | Approx. 20-25 |
| Available Colors | Black, White, Clear, Grey (Ready Stock) |
| Shelf Life | 12 Months (stored in a cool, dry place) |
To ensure that your Wacker WN Silicone Sealant lasts for the life of the building, follow these professional steps:
Ensure the joint surfaces are clean, dry, and free of oil, dust, or old sealant. Use a “Two-Wipe” cleaning method with a solvent like IPA (Isopropyl Alcohol) on non-porous surfaces like glass or aluminum.
For deep joints, always insert a PE Backing Rod. This ensures the sealant only bonds to the two side walls (not the back of the joint), allowing the silicone to stretch and compress properly as the building moves.
Apply the sealant using a professional-grade caulking gun. Ensure the sealant is pushed into the joint to eliminate any air pockets.
Tool the sealant within 10 minutes of application. This presses the silicone against the substrates for better adhesion and gives a smooth, professional aesthetic finish.
Buying from Poly Prime Industry means you are getting more than just a cartridge of silicone; you are getting the peace of mind that comes with professional service.
100% Genuine Guarantee: We only supply original Wacker products. In a market flooded with low-grade or expired materials, we ensure your project gets the quality it deserves.
Fresh Stock Policy: Silicone performance degrades as it nears its expiry. We maintain a high-turnover inventory, ensuring you always receive fresh material with maximum shelf life.
Wholesale Distribution: Based in Krishna Nagar, Delhi, we cater specifically to bulk buyers, hardware retailers, and large-scale project contractors with the most competitive pricing in the NCR.
Fast Dispatch: We understand that project delays are expensive. Our ready stock of Black, White, Clear, and Grey ensures that your order is dispatched quickly to your site.
Q1. Is Wacker WN better than Wacker 121 for windows?
Yes. Wacker 121 is an acetic silicone designed for glass-to-glass (like aquariums). For window frames (especially aluminum or UPVC), Wacker WN is much better because it is neutral-cure, non-corrosive, and handles the expansion/contraction of frames better.
Q2. Can Wacker WN be painted?
In general, silicone sealants (including Wacker WN) are not paintable. We recommend choosing a color (Black, White, Grey, or Clear) that matches your substrate or frame.
Q3. How long does a 300ml cartridge last in terms of coverage?
For a standard 6mm x 6mm joint, one 300ml cartridge will cover approximately 8 to 9 running meters.
Q4. Where can I buy bulk Wacker WN in Delhi?
Poly Prime Industry is your reliable wholesale source. You can contact us for bulk quotes and project pricing.
A building is only as good as its weakest joint. By choosing Wacker WN Silicone Sealant 300ml, you are investing in the safety, longevity, and aesthetics of your construction project.
