Is this recommended for gas fittings on my Blackstone Griddle?

I would use this on propane gas connections

What’s the difference between application temp and performance temp? I’d need to use this for locking bolts that get up to 210 Fahrenheit.

Yes that would be appropriate. It seals items that will get into the higher range of temps

when reapplying the same sealant, is it necessary to first clean off the sealant from last time?

I would clean off the sealant before applying new just because the old sealant may have become contaminated. If it has some grit in it, it could affect the seal. Maybe overkill, but I don't like to second guess seals on propane lines.

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Rectorseal 1.75 Oz No. 5 Pipe Thread Sealant 25790

Rectorseal 1.75 Oz No. 5 Pipe Thread Sealant 25790

Product ID: 728025420

Details

Brand
Rectorseal
Item Weight
1.6 Ounces
Item dimensions L x W x H
19 x 19 x 140
Material
Stainless
Style
Compact

⏳Soft slow-drying formula

💧Water-resistant & safe for drinking water

🛠️Seals & lubricates pipe fittings

€ 19.43

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal it right, seal it tight — don’t let leaks steal your flow!

TRUSTED QUALITY - Backed by a complete manufacturer guarantee and 4.6-star rating from 3,100+ pros
DURABLE PROTECTIVE - Seals, lubricates, and protects threaded fittings for long-lasting performance
INSTANT PRESSURE READY - Pressurize pipes up to 5 cm & 100 psi immediately after application
SAFE FOR DRINKING WATER - Certified for use with potable water systems
UNIVERSAL COMPATIBILITY - Works seamlessly on steel, brass, copper, aluminum & more

Rectorseal 1.75 Oz No. 5 Pipe Thread Sealant is a premium, slow-drying paste designed to seal, lubricate, and protect threaded pipe fittings. Compatible with a wide range of metals and plastics (excluding ABS and oxygen hose), it allows immediate pressurization up to 100 psi for natural gas, air, and water, including drinking water applications. Trusted by professionals with a 4.6-star rating and backed by a manufacturer guarantee, this compact sealant ensures leak-proof, durable connections in your plumbing projects.

Specifications

ASIN	B0009PU9CK
Best Sellers Rank	#123,602 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #507 in Hardware Sealers
Brand Name	Rectorseal
Compatible Material	Steel,Stainless Steel,Aluminum,Copper,De,Iron
Customer Reviews	4.6 4.6 out of 5 stars (3,134)
Global Trade Identification Number	00021449257909
Item Dimensions	19 x 19 x 140 Millimeters
Item Form	Paste
Item Weight	1.6 Ounces
Manufacturer	Rectorseal
Manufacturer Part Number	25790
Material Type	Stainless Steel
Model	25790
Style Name	Compact
Surface Recommendation	Glass
UPC	021449257909
Water Resistance Level	Water Resistant

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