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Brush tops.

Our circular brush tops are made from either beech plywood or in the top quality ProBrush® range, plastic is utilised. Due to potential health and safety concerns Northern Municipal Spares Ltd does not use any MDF. Many of our municipal brush tops are constructed by injection moulding the recycled polymer into circular disk top. This plastic is made from 100% post consumer polypropylene waste. Hence this is why it’s black in colour. The black is to hide the multi coloured sourced polymer. Because the tops are moulded with this recycled polymer, they contain many impurities which can result in a poor surface finish. This ‘industrial’ surface finish will not reduce the strength or performance of your brush. The benefit in using our plastic tops is that they are strong and do not distort or delaminate in damp conditions, even when rolled against walls and curbs.

Some of our brush range is designed to be collected after use and recycled by refilling the bristle. The used worn bristle is recycled back into usable polymer and made into products such as plastic buckets and drain rods, any recycled steel wire is reprocessed by external waste companies.

 

Polypropylene bristle.

Northern Municipal Spares uses a range of grades of polypropylene monofilament, each is selected to match the required cleaning performance of the brush and prove long-lasting in use. Our top end monofilament used in our compact brushes is a special high tensile version. The typical average tensile strength of a 2.4mm diameter polypropylene monofilament is 292 MPa compared to our competitors 242 MPa, this 20% increase in tensile strength helps increase the ‘flick action’ of the brush and increases brush life performance. NMS also manufacturers brushes using long life PET and PA monofilament.

 

Wire bristle.

The brush wire we use at NMS is to our own specification, not just in chemical compensation but also the way its processed by rolling, hardening and annealing. Our ‘patented black carbon cold rolled wire’ is proven to be the best available, it is hardwearing and does not fatigue prematurely. Please note that it is the responsibility of the end user of our brush-ware to ensure the brush suitability for the purpose of its intended use. This includes assessing all risks before use. Brushes should be inspected every 4 hours and replaced at the first sign of fatigue or damage. As a guide we recommend that wire brushes should not be used at airports, race tracks, pedestrian shopping pavements, etc.