can I use this for hot water conxt, and on brass / copper?

Absolutely, I’ve used it for that and also for natural gas and gasoline with excellent results.

I need to connect npt threaded stainless steel male fitting to a plastic female inlet on a water filter. t plus 2 or tru-blu or another sealant?

I typically don’t use anything but Teflon tape on any plastic fittings. Chemicals in liquid or paste sealants could soften the plastic.

Can this be used on gasoline fuel lines

Yes. The Product Document Sheet says it is suitable for use with gasoline, both leaded and unleaded.

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Rectorseal 31631 1/4 Pint Brush Top Tru-Blu Pipe Thread Sea

Rectorseal 31631 1/4 Pint Brush Top Tru-Blu Pipe Thread Sea

Product ID: 262696774

Details

Brand
Rectorseal
Item dimensions L x W x H
5.1 x 5.1 x
Item weight
191 g
Material
Style
Industrial

💪Withstands 10,000 psi liquid pressure

🔵Blue PTFE formula

🌡️Operates 20°-140°F

18224CFA

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Description

🔧 Seal like a pro, leak like never before!

TEMPERATURE TOUGH - Performs flawlessly between 20°F and 140°F, adapting to your toughest jobs
PRECISION APPLICATION - Convenient 1/4 pint brush-top can for mess-free, exact sealing
VERSATILE COMPATIBILITY - Seals metal, plastic, and rubber pipe surfaces effortlessly
TRUSTED AMERICAN QUALITY - Made in the USA by Rectorseal, a leader in professional sealants
INDUSTRIAL GRADE STRENGTH - Handles up to 10,000 psi liquid pressure for ultimate reliability

Rectorseal 31631 is a blue PTFE-based pipe thread sealant in a 4 oz brush-top can, engineered for high-pressure applications up to 10,000 psi liquid and 2,000 psi gas. It offers flexible, water-resistant sealing across metal, plastic, and rubber surfaces, operating reliably between 20°F and 140°F. Proudly made in the USA, it’s the go-to choice for professionals demanding durable, mess-free pipe sealing.

Specifications

ASIN	B0012YO0Z4
Best Sellers Rank	#32,392 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #205 in Hardware Sealers
Brand	Rectorseal
Brand Name	Rectorseal
Color	Blue
Compatible Material	Metal, Plastic, Rubber
Customer Reviews	5.0 out of 5 stars 1 Review
Global Trade Identification Number	00021449316316
Included Components	Unit^Instruction Guide
Item Dimensions	5.1 x 5.1 x 8.9 centimeters
Item Form	Liquid
Item Type Name	Pipe Sealant
Item Weight	191 g
Item dimensions L x W x H	5.1 x 5.1 x 8.9 centimeters
Item weight	191 g
Manufacturer	The Rectorseal Corporation
Material	Polytetrafluoroethylene
Material Type	Polytetrafluoroethylene
Model	31631
Number of Items	1
Number of Packs	1
Part Number	31631
Style	Industrial
Style Name	Industrial
Surface Recommendation	Pipe Surfaces
UPC	021449316316
Unit Count	4 Milliliters
Water Resistance Level	Water Resistant
Water resistance level	Water Resistant

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18224CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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