could this be used on panda plastic (poly film) i have a floor/wall covered with panda and want to seal the crack where the floor/wall meet

Our black caulk will fill your crack and then some. In other words, it'll work just fine.

I placed travertine in my aquarium. Will thus seal it so water will not get under?

As long as the material You are putting in the aquarium is NOT porous and you make sure any openings are closed up this should work for you. Of course how much you use and the depth of your aquarium are factors as well as if you don’t apply enough and if one has a big tank the pressure on the seal could brake. I use this to make retaining walls for landscaping my aquariums and its been working great for me.

Will this adhere to cured silicone. I have a spot that seems to be cosmetic and would like to add more.

It will - but it wouldn't be effective. I would scrape off the bad section and apply the new silicone.

could this seal pvc to abs plastic?

Yes it will. The silicone will adhere clean smooth surfaces.

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Gordon Glass Co. Black Aquarium Silicone Sealant - 10.2 Fluid oz Cartridge

Gordon Glass Co. Black Aquarium Silicone Sealant - 10.2 Fluid oz Cartridge

Product ID: 259861725

Details

Brand
Gordon Glass
Item form
Liquid
Material
Silicone
Special features
Strong
Specific uses for product
Aquarium

⏳Full cure in 48 hours

💧Waterproof & aquarium-safe

🧪High modulus RTV silicone

Description

🐠 Seal your aquatic masterpiece with confidence and style!

FAST CURING TIME - Fully cures in 48 hours so you can get your aquarium up and running without delay.
AQUARIUM SAFE FORMULA - Non-toxic, waterproof silicone ensures a safe environment for your aquatic life.
DURABLE LONG LASTING - Resists yellowing and maintains clarity, preserving your tank’s sleek look over time.
PRECISION BONDING POWER - Formulated for strong, primer-free adhesion to glass for flawless aquarium builds.
EASY APPLICATION WITH PROFESSIONAL FINISH - Medium-high viscosity allows smooth, controlled application for clean, straight seals.

Gordon Glass Co. Black Aquarium Silicone Sealant is a premium, high modulus RTV silicone designed specifically for fresh and saltwater aquariums. It bonds strongly to glass without primers, cures fully in 48 hours, and offers waterproof, non-toxic protection that resists yellowing. Packaged in a 10.2 fl oz cartridge, it delivers professional-grade sealing performance trusted by aquarium enthusiasts worldwide.

Specifications

ASIN	B00EZB2MDI
Best Sellers Rank	#74,507 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #166 in Silicone Sealers
Brand	Gordon Glass Co.
Brand Name	Gordon Glass Co.
Color	aqua
Colour	aqua
Compatible Material	Glass
Container Type	Cartridge
Customer Reviews	4.7 out of 5 stars 1,692 Reviews
Full Cure Time	48 Hours
Item Form	Liquid
Item Package Quantity	1
Item Weight	0.8 Pounds
Item form	Liquid
Manufacturer	Gordon Glass Co.
Material	Silicone
Material Type	Silicone
Model	35133524
Number of Pieces	1
Other Special Features of the Product	Strong
Part Number	4341946337
Special features	Strong
Specific Uses For Product	Aquarium Sealing
Specific uses for product	Aquarium Sealing
UPC	608819339948
Unit Count	301.65 Milliliters
Viscosity Level	Medium to High
Volume	295.74 Milliliters
Water Resistance Level	Waterproof

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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