Is this a substitute for olives or ptfe tape or should it be used with one of these?

I am not a plumber. I was advised to get some to use to seal screw threaded components which are not under pressure - so draining water. I have used some to seal an outflow from a urinal. It sort of works, but not particularly well. Apparently, you need to line the thread on the male part with "string" before applying Boss White. I didn't but it still worked. But the liquid passing the joint is not under pressure. So, to answer your question, it is not a substitute for an olive or ptfe.

Can this be used on gas joints

I believe so but please check with a Gas Plumber/Engineer. A lot of safety involved in gas work.

Is this for sealing under/around the round metal piece that you place in the hole in a sink that ultimately you put the plug in?

If it's the threaded part yes but you need some hemp to wrap round the thread before you put the nut on

Can I use for sealing my pop up waste

Plumbers mate for basin side as a seal PTFE on threads on plastic side would be my choice but it’s your decision and types of fitting used If not sure ask a tradesman

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Miscellaneous Boss White 400 Gramme Tin 84410508

Product ID: 48886852

Details

Brand
Thompson's
Colour
white
Item form
Paste
Item weight
400 Grams
Liquid volume
400

💧Water-resistant for hot & cold pipes

🔥Withstands up to 200°C

⚙️Compatible with gas, steam & compressed air

142 Lei

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Description

🔥 Seal your pipes like a pro — no leaks, no worries! 💧

VERSATILE APPLICATION - Perfect for hot/cold water, compressed air, natural gas, and steam pipelines.
EASY TO USE PASTE FORM - Smooth application ensures airtight, leak-proof joints every time.
HEAT RESISTANT SEALANT - Reliable performance up to 200°C keeps your systems safe under pressure.
TRUSTED INDUSTRY STANDARD - Used by professionals, backed by 4.4-star reviews and top ranks in waterproofing.
PREMIUM WATER QUALITY PROTECTION - Maintains water purity with a non-toxic, high-quality compound.

Miscellaneous Boss White 400 Gramme Tin is a high-performance pipe jointing compound designed for hot and cold water systems, withstanding pressures up to 7 Bar and temperatures up to 200°C. Ideal for maintaining water quality, it’s compatible with compressed air, natural gas, and steam applications, making it a versatile and trusted choice for professional-grade plumbing and industrial use.

Specifications

ASIN	B0001P0EUK
Best Sellers Rank	49,361 in DIY & Tools ( See Top 100 in DIY & Tools ) 71 in Waterproofers
Brand	Thompson's
Colour	white
Customer Reviews	4.4 4.4 out of 5 stars (636)
EU Spare Part Availability Duration	1 Years
Global Trade Identification Number	05015258844011
Included Components	BOSS WHITE 400GM 50060113
Item Form	Paste
Item Type Name	BOSS WHITE 400GM 50060113
Item Weight	400 Grams
Liquid Volume	400 Millilitres
Manufacturer	BSS
Manufacturer Part Number	50060113
Material	Tin
Model Number	690011-HHW
Number of Items	1
Number of Packs	1
Surface Recommendation	Pipe
Temperature Range	2E+2 Degrees Celsius
Unit Count	1 Tub
Water Resistance Level	Water Resistant

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142 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered 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 Romania.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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