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

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

⏳Flexible full cure with variable set time

💪10,000 psi liquid pressure resistance

🔵PTFE-based blue sealant

₨597

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Description

🔧 Seal like a pro, secure like a boss.

TEMPERATURE TOUGH - Operates flawlessly between 20°F and 140°F, perfect for diverse environments.
PRECISION APPLICATION - Convenient 1/4 pint brush-top can ensures mess-free, exact sealing every time.
VERSATILE COMPATIBILITY - Seals metal, plastic, and rubber pipes effortlessly—one product, multiple uses.
TRUSTED AMERICAN QUALITY - Proudly made in the USA by Rectorseal, a leader in professional sealants.
INDUSTRIAL GRADE STRENGTH - Withstands up to 10,000 psi liquid pressure for ultimate reliability.

Rectorseal 31631 is a premium blue PTFE pipe thread sealant designed for high-pressure applications up to 10,000 psi. Packaged in a convenient brush-top 1/4 pint can, it offers flexible curing and reliable sealing across metal, plastic, and rubber surfaces. Engineered for performance in temperatures from 20°F to 140°F, this water-resistant sealant is proudly made in the USA, making it the go-to choice for professionals demanding durability and precision.

Specifications

Asin	B0012YO0Z4
Best Sellers Rank	#18,401 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #105 in Hardware Sealers
Brand Name	Rectorseal
Color	Blue
Compatible Material	Metal, Plastic, Rubber
Customer Reviews	5.0 5.0 out of 5 stars (1) 5.0 out of 5 stars
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
Manufacturer	The Rectorseal Corporation
Material Type	Polytetrafluoroethylene
Model	31631
Number Of Items	1
Part Number	31631
Style Name	Industrial
Surface Recommendation	Pipe Surfaces
Unit Count	4 Milliliters
Upc	021449316316
Water Resistance Level	Water Resistant

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₨597

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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