
GMSA RTV Silicone Caulk & Sealant Bottle 310ml
Return Policy
Free Returns within 7 Days of Shipment

No Hassle Returns
Except as otherwise described here in our Terms & Conditions, if you are not satisfied for any reason, items may be returned within 7 days of shipment for a full credit or exchange. We will cover the cost of return shipping, and credit the original form of payment within 7 business days of receipt. Certain exceptions apply.
Return a Purchase
Start a Return
Items can be returned from order history while logged in, or by using your order number and email address. A button to return item(s) will be available as long as they are within 7 days of shipment.
Items submitted for a return online are eligible for a full credit refund. For replacements, please contact Customer Service.
Exceptions
- Returned items must be in the original packaging, contain all components, and be in new condition.
- Returns may require additional information or a photo of the item(s) to process the return.
- Returns received at Expert tools without a packing slip may be assessed a 15% processing fee that will be deducted from any credit due.
- Returns received without a Expert tools return label may take more than 7 days to credit.
Expert tools World reserves the right to refuse or limit any returns that, in Expert tools sole judgment, appear to be fraudulent, abusive, in violation of these terms, or otherwise inappropriate.
Damaged Items
We work hard to ensure that all items are received in good condition, and if the item is damaged, we sincerely apologize for any inconvenience. We will do all we can to remedy the situation—either by sending a replacement item or refunding your order—and we’ll help you return the damaged item at our expense. Start the return online for a full credit refund, or contact Customer Service for replacements.

GMSA RTV Silicone Caulk & Sealant Bottle 310ml
Experience professional grade sealing performance with the GMSA RTV Silicone Caulk & Sealant Bottle Clear 310ml engineered for 100% waterproof, weatherproof, and long lasting protection. Whether you’re sealing bathroom fixtures, kitchen joints, or outdoor surfaces, this clear silicone sealant delivers powerful adhesion and permanent flexibility for a clean, durable finish.
Premium Silicone Formula
Crafted with pure RTV silicone, this sealant ensures strong, elastic bonding that won’t crack, shrink, or discolor. It provides ultimate waterproof sealing against leaks, moisture, and temperature variations while staying crystal clear and odor free.
Fast Curing & Long Lasting Protection
Designed for efficiency, the GMSA RTV Silicone becomes water ready in just 30 minutes and fully cures within 24 hours. Its advanced neutral cure technology resists UV rays, heat, and cold maintaining flexibility even in extreme weather conditions.
Strong Adhesion on Multiple Surfaces
Ideal for bonding and sealing on glass, ceramic, metal, wood, porcelain, granite, plastic, and aluminum. This versatile silicone sealant is perfect for interior and exterior use, offering professional results every time.
Odor Free & Non Toxic Application
Unlike traditional sealants, GMSA RTV Silicone features a neutral cure, low odor formula that’s safe for indoor use and environmentally friendly. Apply with comfort no harsh fumes or chemical irritation.
Applications
- Bathrooms, sinks, bathtubs, and showers
- Kitchens, countertops, tiles, and backsplashes
- Windows, doors, glass joints, and aquariums
- Construction and general sealing projects
- Automotive and industrial equipment sealing
Why Choose GMSA RTV Silicone?
At Expert Tools World, we provide top tier sealing solutions trusted by professionals across Pakistan. The GMSA RTV Silicone Sealant offers unmatched durability, flexibility, and clarity ensuring long lasting protection with every use.
Specifications
Specification | Details |
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Brand | GMSA |
Model | RTV Silicone Caulk & Sealant |
Type | 100% RTV Silicone Sealant (Neutral Cure) |
Capacity | 310ml Cartridge Bottle |
Color | All |
Waterproof Rating | 100% Waterproof & Weatherproof |
Drying Time | Water ready in 30 minutes; full cure in 24 hours |
Temperature Resistance | -122°F to +302°F |
Special Features | Odor free, UV resistant, crack proof, anti yellowing, flexible adhesion |
Applications | Bathroom, kitchen, aquarium, window, and construction sealing |
Color | Black, Champagne, Clear, Gray, White |
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