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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Description

🛠️ Seal smarter, not harder — the pro’s choice for leak-proof joints!

THREAD FRIENDLY - Breaks out easily without galling or damaging threads
READY WHEN YOU ARE - Soft set and slow drying for immediate pressurization without leaks
ENDURING RELIABILITY - Certified NSF/ANSI 61-GA for trusted, industry-standard sealing
EFFORTLESS APPLICATION - Smooth, lead-free cream ensures clean, precise thread coverage
TIGHTEN WITH CONFIDENCE - Low friction formula allows tighter joints with less torque

Rectorseal 25790 No.5 Pipe Thread Sealant is a 1.75-ounce, lead-free, slow-drying cream designed for durable, water-resistant sealing of steel pipe threads. Certified to NSF/ANSI 61-GA, it offers a 2-year shelf life, low friction for tighter joints with less torque, and easy disassembly without thread damage—ideal for professionals demanding reliable, immediate pressurization.

Specifications

Material	Plastic
Brand	Rectorseal
Style	Compact
Item Weight	1.6 Ounces
Item dimensions L x W x H	1.7 x 1.7 x 5.5 inches
Water Resistance Level	Water Resistant
Item Form	Cream
UPC	021449257909
Unit Count	1.76 Ounce
Global Trade Identification Number	00021449257909
Number of Items	1
Color	Yellow
Surface Recommendation	Steel
Manufacturer	The Rectorseal Corporation
Part Number	25790
Item Weight	1.6 ounces
Product Dimensions	1.7 x 1.7 x 5.5 inches
Item model number	25790
Is Discontinued By Manufacturer	No
Size	1.75 Oz
Item Package Quantity	1
Special Features	Waterproof
Included Components	Unit^Instruction Guide
Batteries Included?	No
Batteries Required?	No
Warranty Description	Warranty

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