Call 01623 645 645  |  Fax 01623 510 287  |  Email  |  Send an enquiry

Bondloc B577 Pipeseal With Teflon 50ml - BONB57750

Product options

£11.42 (£14.50) (Ex VAT)£13.71 (Inc VAT)

Contact Us for Bulk Discounts


  • Bondloc B577 Pipe Seal is a high viscosity thixotropic gel paste which cures rapidly, sealing instantly to 10 bar through its Anaerobic cure system in contact with metals in the absence of air (oxygen).
  • When fully cured it resists pressure up to 350 bar. B577 is not suitable for oxygen systems.
  • Good chemical/solvent resistance to Ethanol, Motor Oil, Unleaded Petrol, Acetone and Brake Fluid.
  • Typical applications are in sealing of all types of threaded connections against water, oil, gases and most common materials conveyed by pipes.


  • Resin: Dimethacrylate.
  • Colour: Yellow.
  • Cure Speed with Activator: <10 minutes.
  • Cure Speed without Activator: <15 mins @ 20°C.
  • Viscosity: >50,000 cps.
  • Gap Fill: 0.05mm to 0.4mm.
  • Flash Point: >100°C.
  • Shelf Life: 12 months @ 20°C.
  • Specific Gravity: 1.09.
  • Max. Operating Temperature: +150°C.
  • Size: 50ml.

Cured Performance:

  • Full Cure Time: 6-12 hours.
  • Typical Breakaway Strength: >6 to <15 N/mm (2).
  • Prevailing Torque: >3 to < 9 N/mm (2).
  • Static Shear Strength: >5 to <15 N/mm (2).

View related products

Be the first to review this product. Review Product

Delivery Information

Free delivery on all online orders over £54.99, delivered to the UK mainland only; A small order charge of £6.95 vat is charged on all orders under £54.99 (net). 

Many of our items are available for next day delivery, where items are made to order or not currently in stock delivery times will vary. Please contact us for a confirmed delivery date or alternatively a representative will confirm your order. 

Special delivery services are available; please contact our Sales Office to discuss your specific requirements. 

The following postcodes will be subject to a delivery surcharge: 

AB37 & AB38, AB41-AB56, FK19-FK21, IV1-IV40, IV52-IV54, IV63, JE1-JE5, KW1-KW14, PA21-PA40, PH15-PH41, PH49, PH50, HS, IV41-IV51, IV55 & IV56, KA27, KA28, PA20, PA41-PA78, PH42-PH44 and ZE, This also includes Northern Ireland. Certain products within our range are subject to a delivery surcharge when delivered to additional areas in Scotland than those already listed.

A customer service representive, will contact you upon receipt of your order to advise of the relevant charges or please call us to confirm the surcharge prior to placing your order

If you would prefer to collect your delivery from our warehouse, please select collection at the checkout and we will let you know when your order is ready to collect.

Contact Us for Bulk Discounts

Estimated delivery is for guidance only, an exact delivery date will be confirmed on your order acknowledgement. Please contact us for further information.We make every effort to ensure that the information provided on this page is accurate, we can not be held responsible for any errors, typography or otherwise. Illustrations and images are representational of typical styles and designs may vary. Prices and specifications may alter without prior notice.

ID 172768

  • FREE Delivery!

    free delivery

    FREE delivery available!*

  • Expert Support

    expert support

    We know the products that you need!

  • 24hr Reliability

    24hr reliability

    We go the extra mile to be there

  • Solutions!!!


    We find you the product for the job!

*Online orders over £39.99 delivered to UK Mainland only. Excluding certain postcodes

Stay up to date with Hall-Fast offers, products and news!