LOCTITE 55 Pipe Thread Sealant, Non Curing Thread Sealant for Plumbing Pipes and Fittings, 50m
Pros
- Non-curing cord seals threaded joints instantly, no waiting to cure
- Reusable joints stay easy to dismantle for future maintenance
- 50m length lasts through many plumbing and gas jobs
Cons
- More expensive per joint than basic PTFE tape
How it compares in Plumbing Supplies
We list 37 plumbing supplies products, priced from £2.86 to £90.94. At £6.49 this one is the 11th cheapest of them — 26 cost more. The average across the subcategory is £14.65 and the midpoint is £10.30, so it lands £8.16 below the average.
Its 4.6-star score sits 0.09 above the plumbing supplies average of 4.51, with 2 of the 37 rated higher. Its 1,980 Amazon reviews make it the 5th most-reviewed here, against a subcategory average of 1,113.
Price position in Plumbing Supplies
Splitting the subcategory into three price bands puts this product in the Budget band (£1.98–£6.99), which holds 11 of 32 products and averages £4.30 at 4.51 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| BudgetThis one | £1.98–£6.99 | 11 | £4.30 | 4.51 |
| Mid-range | £7.10–£12.99 | 11 | £10.26 | 4.54 |
| Premium | £13.99–£35.87 | 10 | £22.82 | 4.54 |
About this product
LOCTITE 55 Pipe Thread Sealant provides a quick and reliable solution for sealing threaded joints in plumbing pipes and fittings. This non-curing thread sealant is designed for use with both plastic and metal pipe threads and fittings, offering immediate protection against full pressure without requiring a drying time. It’s suitable for professional plumbers and DIY enthusiasts undertaking plumbing or gas work.
This sealant cord is formulated from polyamide and comes in a convenient 50m length contained within a compact container featuring an integrated cutting tool. The product is approved for use with gas and drinking water systems, meeting the standards of DVGW and KTW. Its robust design allows for easy and fast application, ensuring a secure seal on multiple materials like metal and plastic.
The sealant’s high temperature resistance enables its use in applications up to 130°C. It's designed for reusable joints, allowing for future maintenance without compromising the seal. The white, coated multifilament cord offers a straightforward solution for securing threaded connections.
Included in the package is one 50m length of LOCTITE 55 sealant cord. Dimensions are 9.8 x 5.4 x 16.5 centimetres and it weighs just 0.05 Kilograms. The product’s form is a cord, and its material is polyamide.
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FAQ
What types of pipes can I use this sealant with?
This Loctite 55 thread sealing cord is designed for both plastic and metal pipe threads and fittings. It's approved for use in gas and drinking water systems, providing a reliable seal across these common materials.
What makes this sealant different from standard PTFE tape?
Unlike some alternatives, Loctite 55 is a non-curing cord sealant. This means it creates an immediate thread seal without requiring a curing time, offering quicker installation and a secure connection.
What temperature range can I safely use this product within?
The sealant offers resistance to high temperatures up to 130°C, making it suitable for various plumbing applications where heat exposure is present. However, always refer to the specific system requirements for optimal performance.
How long is the sealant supplied in?
This Loctite 55 thread sealing cord comes with a generous 50-meter length, providing ample material for numerous plumbing and gas jobs, reducing the need for frequent reordering.
What's the physical size of the product packaging?
The sealant is supplied in a convenient container measuring approximately 9.8 x 5.4 x 16.5 centimetres, making it easy to handle and apply, especially when using the integrated cutting tool.
Is this suitable for all plumbing jobs or just specific applications?
This Loctite 55 sealant is designed for general plumbing and gas fitting applications where a reliable thread seal is needed. It's particularly effective on metal and plastic threads, offering protection against leaks under pressure.
How does the price of this product compare to other thread sealing solutions?
Loctite 55 falls into a mid-range price tier, typically costing around £14.99. While more expensive per joint than basic PTFE tape, it offers enhanced performance and durability for demanding applications.
What materials is the sealant cord made from?
The thread sealing cord is based on polyamide – a coated multifilament material – chosen for its strength and resistance to degradation when used in gas and water systems. This ensures long-lasting performance.
Are there any specific standards this product complies with?
This Loctite 55 sealant meets the requirements of DVGW and KTW, indicating compliance with relevant industry standards for plumbing and gas installations within the UK.
What are the key benefits of using a non-curing sealant like this?
The quick thread sealing action eliminates the need for drying time, allowing for immediate pressure protection. Furthermore, the reusable joints remain easily dismantled for future maintenance, enhancing system flexibility and longevity.