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 No. 5 25790 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout and Contains No Other Metals, 1.75 oz

RectorSeal No. 5 25790 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout and Contains No Other Metals, 1.75 oz

Product ID: 7377243

Details

Brand
Rectorseal
Item Weight
1.6 Ounces
Item dimensions L x W x H
0.75 x 0.75 x
Material
Diacetone
Style
Squeeze tube

🔩Compatible with 8+ pipe materials

⏱️Immediate pressurization up to 2"/100 psi

🛠️Soft-setting, slow-dry formula

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₱912

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Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal smarter, work faster, break out easier!

FAST TRACK YOUR WORKFLOW - Allows immediate pressurization on natural gas and water lines up to 2" and 100 psi—no downtime needed.
TRUSTED INDUSTRY STANDARD - Top-ranked with 4.6 stars and #8 in Industrial Thread Sealants—join thousands of pros who rely on RectorSeal.
UNIVERSAL PIPE COMPATIBILITY - Seals galvanized steel, brass, copper, stainless steel, PVC & more—perfect for diverse professional projects.
LEAD FREE METAL FREE FORMULA - Safe for potable water systems and eco-conscious pros demanding clean, reliable sealing.
EFFORTLESS APPLICATION BREAKOUT - Soft-setting, non-hardening sealant ensures easy thread lubrication and damage-free disassembly.

RectorSeal No. 5 is a premium, soft-setting, slow-drying pipe thread sealant designed for professional tradesmen. It lubricates, seals, and protects threaded pipe connections across a wide range of materials without hardening or damaging threads. Its lead-free, metal-free formula supports potable water use and allows immediate pressurization on natural gas and water lines up to 2" diameter and 100 psi, making it the go-to sealant for HVAC, plumbing, and construction pros seeking reliability and efficiency.

Specifications

ASIN	B0009PU9CK
Best Sellers Rank	#2,750 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Industrial Thread Sealants
Brand Name	Rectorseal
Color	Yellow
Compatible Material	Metal
Customer Reviews	4.6 4.6 out of 5 stars (3,211)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00021449257909
Included Components	Unit^Instruction Guide
Item Dimensions	0.75 x 0.75 x 5.5 inches
Item Form	Cream
Item Type Name	Puttys & Compounds
Item Weight	1.6 Ounces
Manufacturer	The Rectorseal Corporation
Material Type	Diacetone Alcohol
Model	25790
Number of Items	1
Part Number	25790
Style Name	Squeeze tube
Surface Recommendation	Steel
UPC	021449257909
Unit Count	1.75 Ounce
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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