does it work on cell phones ?

I used the permatex 81730 flowable silicone on a cracked screen on an ipad. The corner of the ipad had hit a hard surface and fractured the corner without interfering much with the rest of the screen. I thought I would try the flowable silicone and see how well it worked. I was mainly hoping to keep small pieces from slowly falling out and destabilizing the rest of the glass in the corner. The flowable silicone works as promised. When applied it flows out over the affected area much better than regular silicone. However, it doesn't permeate the crack and basically sits on top of the glass itself. In my experience it did stabilize the corner but left a raised place above the glass that obviously felt like silicone and eventually began peeling off. I eventually had to peel it off the surface of the glass and I haven't as yet replaced it. That's all the info I can share about it... but that was my experience.

can this be used to adhere the black strip to the front windshield?

100%. It gets messy on your hands but it will do its job. I did on my windshield which had a gap and the air was coming in while driving... After sealing it.... It is perfect.

Would this work on a car headlight housing to keep away moisture?

Yes it would as the silicone in it would prevent any water from getting in , also depends how big your Crack is .

Will this work for a glass door that has a small crack (about 2 inches)?

YES---but it will run down if not masked off. Not perfectly clear. Any run down or thick area can be trimmed/shaved off with razor. The crack needs some open space for the fluid to penetrate.

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Permatex 81730 Flowable Silicone Windshield and Glass Sealer, 1.5 oz.

Permatex 81730 Flowable Silicone Windshield and Glass Sealer, 1.5 oz.

Product ID: 252053480

Details

Brand
Permatex
Item dimensions L x W x H
20.3 x 10.2 x
Item weight
0.01 Ounces
Material
Silicone
Style
Medium

💧Waterproof & leak-proof seal

🔧Flows into hard-to-reach cracks

🌡️Extreme temp resistant (-80°F to 450°F)

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91.22 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💪 Seal the deal, stop the drip—drive leak-free in style!

PRECISION LEAK SEEKER - Flowable silicone wicks into hidden gaps and irregular surfaces for flawless sealing.
WEATHERPROOF CONFIDENCE - Withstands rain, shock, vibration, and harsh chemicals—your car’s ultimate defense.
EXTREME TEMPERATURE WARRIOR - Performs reliably from freezing -80°F to scorching 450°F without cracking or peeling.
TRUSTED AUTOMOTIVE ESSENTIAL - From classic cars to daily drivers, a go-to sealant trusted by pros and enthusiasts alike.
INVISIBLE ARMOR FOR YOUR GLASS - Creates a crystal-clear, durable seal that blends seamlessly with your windshield.

Permatex 81730 Flowable Silicone Windshield and Glass Sealer is a professional-grade, clear silicone sealant designed to create tough, waterproof seals on automotive glass and surfaces. Resistant to extreme temperatures (-80°F to 450°F), vibration, shock, and chemicals, it flows into hard-to-reach areas to fill cracks and voids, ensuring long-lasting leak protection. Ideal for windshields, vinyl tops, and electrical connections, it’s a trusted solution for maintaining vehicle integrity and performance.

Specifications

ASIN	B000BKEBO0
Best Sellers Rank	#22,516 in Automotive ( See Top 100 in Automotive ) #97 in Automotive Fillers, Adhesives & Sealants
Brand Name	Permatex
Color	Multicolor
Compatible Material	Glass
Customer Reviews	4.3 4.3 out of 5 stars (5,659)
Global Trade Identification Number	00686226817303
Included Components	Other Vehicle Parts( AUTO_PART ), Performance Parts - Underhood, Engine Parts/Gaskets/Seals/Bearings
Item Dimensions	20.3 x 10.2 x 2.5 centimeters
Item Form	Liquid
Item Type Name	Fog Light Mount
Item Weight	0.01 Ounces
Manufacturer	Permatex
Material Type	Silicone
Model	81730
Number of Items	1
Part Number	81730
Style Name	Medium Strength
Surface Recommendation	Glass
UPC	079340817302 686226817303
Unit Count	1.5 Ounce
Warranty Description	Manufacturer Warranty
Water Resistance Level	Waterproof

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91.22 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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