Will this adhere to plastics to form a gasket

Yes, asssuming the substrate is clean. Please make sure that blue is the strength rating you want as it is one of the weakest "less permanent" types of gasket maker.

I intend to use this to repair a pentair 2" multiport valve spider gasket. will i be able to take the valve apart again if needed after using this?

You do need to be careful applying this product as it sets up quick & is very messy, so make sre you have a rag nearby. I think I may have put too much on & would spply it more sparingly. There are Youtube videos showing proper installation. You can remove the top of the valve for inspection, however, it may be difficult to remove the gasket without damaging it & it would be more difficult to clean the the gasket than to teplace it with a new one. Once it is on, there should be no need to remove it.

How long will it last ?

RTV silicone is made for use with cars or trucks not a home water system or portable water system you need to purchase a user friendly silicone

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Permatex 80022 Sensor-Safe Blue RTV Silicone Gasket Maker, 3 oz. Tube

Product ID: 280621773

Details

Brand
Permatex
Item Form
Liquid
Material
Silicone
Specific Uses For Product
Automotive

🔥Temp range -65°F to 500°F

🔧Sensor-safe, won’t foul O2 sensors

🛠️Forms crack-resistant gaskets

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Description

🛠️ Seal the deal with confidence—engineered for the relentless pro.

SENSOR SAFE FORMULA - Protects sensitive oxygen sensors by preventing fouling, ensuring optimal engine performance.
TRUSTED BY PROS FOR DECADES - Backed by 30+ years of proven reliability and a 4.6-star rating from nearly 1,000 users.
UNMATCHED THERMAL ENDURANCE - Withstands extreme temps from -65°F to 500°F, perfect for high-heat engine zones.
VERSATILE APPLICATION RANGE - Ideal for valve covers, oil pans, timing covers, water pumps, and more—your all-in-one gasket solution.
PRECISION FORMED GASKETS EVERY TIME - Creates durable, crack-proof, shrink-resistant gaskets that outlast traditional cut gaskets.

Permatex 80022 Sensor-Safe Blue RTV Silicone Gasket Maker is a high-viscosity, sensor-safe silicone sealant designed to replace traditional cut gaskets. It forms durable, crack-resistant gaskets that withstand temperatures from -65°F to 500°F, making it ideal for automotive and mechanical applications such as valve covers and oil pans. Trusted by professionals for over 30 years, it ensures reliable sealing without fouling oxygen sensors.

Specifications

ASIN	B0002UEOKK
Best Sellers Rank	#31,755 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #35 in Fillers, Adhesives & Sealants
Brand	Permatex
Brand Name	Permatex
Colour	Blue
Compatible Material	Metal, Plastic, Rubber
Container Type	Tube
Customer Reviews	4.7 out of 5 stars 955 Reviews
Global Trade Identification Number	00686226800220
Importer Contact Information	RedAngus Business Services (OPC) Private Limited
Item Form	Liquid
Item Package Quantity	1
Item Weight	1.6 Ounces
Manufacturer	Permatex
Manufacturer Part Number	80022
Material	Silicone
Material Type	Silicone
Model	80022
Number of Pieces	1
Other Special Features of the Product	High-temperature resistance, pressure resistance, thermal cycling resistance, and formed-in-place gasket creation
Special Feature	High-temperature resistance, pressure resistance, thermal cycling resistance, and formed-in-place gasket creation Special Feature High-temperature resistance, pressure resistance, thermal cycling resistance, and formed-in-place gasket creation See more
Specific Uses For Product	Automotive, Industrial, Mechanical
UPC	686226800220
Unit Count	3.0 Grams
Viscosity	High
Viscosity Level	High
Warranty Description	1-Years for defects in material and/or workmanship
Water Resistance Level	Water Resistant

Reviews

M**I

6.09.2025

J**E

9.11.2024

A**R

29.04.2024

K**N

26.04.2023

D**.

14.06.2022

I**N

3.07.2025

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€ 35.51

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In stock

Sold byAmazon ItalyDelivered 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 Italy.

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