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SP525 is a low modulus sealant with high movement capability, excellent primerless adhesion to many substrates and long-term performance. It is also used for the bonding of ME500 & ME501 Intelligent Window Membranes.
SP525 is ideal for sealing joints in façades, rainscreens and curtain walls, perimeter joints around windows, doors and rooflights, and high movement joints (e.g. modular building). It is also used for the bonding of ME500 & ME501 Intelligent Window Membranes. SP525 will enhance the acoustic performance of a joint, providing up to 61 dB sound reduction.
| Property | Test Method | Results |
| Composition | advanced SP polymer formulation | |
| Category | EN 1561-1 F-EXT-INT-CC | |
| Specific Gravity | DIN 52451-A | 1.5 |
| Consistency | EN 27390, 20 mm profile | Non-sagging |
| Shore A Hardness | DIN 53505 | 25 |
| Skin Forming Time | at +23°C, 50% RH | Approximately 30 minutes |
| Cure Rate | at +23°C, 50% RH | 3 mm /first day |
| Tensile Strength | DIN 53504 S2 | 1.35 MPa |
| Modulus at 100% Elongation | BS EN 8339 | 0.38 MPa |
| Elongation at Break | DIN 53504 S2 | Approximately 550% |
| Maximum Movement Capacity | ISO 11600 | 25% |
| Elastic Recovery | BS EN ISO 7389 method A | 74% |
| Acoustic Insulation | 61 dB in a 10 mm wide joint | |
| 58 dB in a 20 mm wide joint | ||
| 56 dB in a 30 mm wide joint | ||
| Application Temperature | +5°C to +40°C | |
| Service Temperature | -40°C to +90°C | |
| Storage | Store in dry conditions between +5°C and +25°C | |
| Shelf Life | 12 months when stored as recommended in original unopened containers |
We offer a range of finance options to suit your needs.
Toolden is proud to offer free delivery on all orders to UK Mainland addresses for orders over the value of £50*
Your delivery method is chosen based on the value, weight and size of your total order. Orders will be shipped via Royal Mail, DPD or FedEx. Tracking information and delivery notifications are available directly from the courier.
We aim to dispatch all orders within 2-3 working days, however dispatch times can vary so each product has an estimated dispatch time for a more accurate guidance. We also offer direct delivery from some of our partnered manufacturers.
All UK mainland customers should expect to receive their orders no longer than 5 working days after their order is placed. If your goods have not been received after 6 working days, please email admin@toolden.co.uk and we will investigate further. Please allow extended time for European deliveries.
*Certain heavier/bulkier items might incur additional charges. The additional fee will be clearly stated at the checkout, before placing the order.
Mistakes happen, we're all human! You may return most new, unopened items within 14 days of delivery for a full refund. We will cover the return shipping costs ONLY if the return is a result of our error and arrange for collection at a time convenient to yourself.
It is advisable to inspect the goods prior to signing for delivery. If you can see any damage whatsoever to the packaging please sign for the goods as damaged. If this is not possible please ensure you sign for the goods unexamined to allow us to take any claims up with our deliver partners if necessary.
All tools come with a manufacturers warranty. Most of our product pages have a link to the warranty procedure for that manufacturer and we encourage you to follow the instructions on these pages which will normally direct you to the manufacturers helpline. This is normally the fastest way of getting your warranty problem resolved.
Under guidelines set to us by manufacturers, we will advise you of the nearest repiar agent which is free of charge under your manufacturer's warranty - please remember to register your item on the manufacturer's website for the additional 2 years warranty. Please also see our Warranty section on the website for futher information. We do not accept returns of damaged or faulty items regardless of timescale. These will always need to be taken to an authorised repair agent or the manufacturer.
Please note that any items returned that have been altered, modified, defaced or undergone heavy usage may not be eligible for a full refund or replacement.
Please allow a maximum of four days to a week for your refund to process. It is often sooner than this however different banks process these with varying levels of efficiency.
If you need to return an item, please go log-in to your account and go to the 'Completed' section of your account page. This will show all completed orders and from here, you will be able to select the option for return and complete the form.
Please see the Royal Mail shipping restrictions to best select the option for return and complete the form.
If you have any issues with any products received from Toolden, please contact us soon as possible. We will try our best to resolve any issues you have or direct you to the right people.
