LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml

LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml

4.2 (31)

LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml

Overall Rating: 2.3 / 5 (average from multiple review sources, as of 7 Aug 2026)
Based on a total of 47,264 customer reviews from independent review platforms.

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Cheapest Price
In stock. Express Delivery available with Amazon Prime.
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£34.47
Free Delivery

LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 80,524 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
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£34.47
Free Delivery

LOCTITE 2061031 SI 5331 Plastic Pipe Sealant 100ml

Overall Rating: 4.6 / 5 (average from multiple review sources, as of 8 Aug 2026)
Based on a total of 6,123 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Unknown
£41.24

LOCTITE SI 5331 Plastic Pipe Sealant 100ml

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 6 Aug 2026)
Based on a total of 24,333 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 4 working days of receiving cleared payment.
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£44.24
Free Delivery

Loctite Loctite SI 5331 Thread Sealant 100ml / 111g

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 6 Aug 2026)
Based on a total of 24,333 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 14 - 21 working days of receiving cleared payment.
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£65.94
Delivery from £5.95

LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml

Overall Rating: 4.8 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 80,524 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Usually dispatched within 6 to 7 days
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£68.69
Delivery from £5.95
LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml

Cheapest offer

Universally applicable - The water pipe sealant is ideal for hot and cold water-bearing plastic threads or plastic/metal combinations, e.g. in industrial installations Low-strength thread sealant - The piping sealant hardens via air humidity to form a permanently elastic seal. This seals effectively against both cold and hot water Secure connections - The connections made with the thread seal are secured and resistant to vibration loads for a secure hold of the threads in plumbing fittings Securing and sealing - The piping thread leak sealer is ideal for securing and sealing plastic piping and pipelines in industry, agriculture or wastewater systems Package contents - LOCTITE SI 5331, plumbing thread sealant based on acetoxy silicone, one-component sealant, paste-like consistency, white, 12x100ml tube, Weight: 0.22 Pounds, Manufacturer: Loctite
£34.47
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk

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LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml - Details

▶ Finding you the best price!

We have found 6 prices for LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.

LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml - Price Information

  • Cheapest price: £34.47
  • The cheapest price is offered by amazon.co.uk. You can order the product there.
  • The price range for the product LOCTITE SI 5331, Liquid Thread Sealant for Pipes, Silicone Sealer for Cold and Hot Water Carrying Plastic and Metal Pipes, Vibration Resistant Silicone Sealant, 12x100ml is €£34.47to €£68.69 with a total of 6 offers.
  • Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
  • Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk.

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User reviews

Our reviews come from Trustami, a service that automatically collects, links, and verifies reviews from various sources such as Google, eBay, Amazon, and Trusted Shops. This gives users a transparent overview of a manufacturer's customer satisfaction.

4.2 out of 5 stars

31 Ratings
5 stars
22
4 stars
1
3 stars
2
2 stars
3
1 star
3
Amazon.it Kunde

In my case, it didn't hold at all.

via trustami

Amazon.de Kunde

Super product.

via trustami

Amazon.co.uk Kunde

Having tried using Loctite 55 on a swimming pool MPV and having the valve still leak at the threaded joints, I opted to try out this liquid sealant.I put the liquid on both the make and female joints and easily screwed them in by hand. I waited 24hr before I turned on the pump & when I did, there we…

via trustami

Amazon.co.uk Kunde

Description is 12x100ml. Only 1x100ml delivered.

via trustami

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