Hayes Stroker Ace 4 Pistons 704S Sintered Brake Pads
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Made in Taiwan
What is sintering brake pads
This is the fusing together under heat and pressure of metallic particles and in the case of brakes it blends various other elements to enhance friction properties and wear life. Sintered Brakes have become a standard on 99% of Motorcycles and ATVs from the OE Builders and they also form a large percentage of the aftermarket for bikes and ATV’s.
Sintered brakes last longer and generally speaking handle the heat of heavy braking better. In Road Race use we have to admit that there are almost NO organic pads that come close to Sintered compounds but that does not hold true in streetbike use
Although attempts were made by the OEMs a few years ago to cut costs of Sintered brakes by using sintered IRON, that was deemed a failure and these days the base material is copper.
Sintered copper brakes are made by one of two processes, pressure sintering in a vacuum furnace or sintering through a belt furnace in a controlled atmosphere. The steel backing plates for the brake pads are copper coated and a preformed sintered copper “Puck” is located onto pips in the plate (either male or female) and the parts are passed through a furnace. At a pre-determined temperature the copper coating under the pad puck melts and fused the puck and plate together.
In the aftermarket we continue to offer sintered brakes for applications requiring longer life and higher heat performance and semi-metal organic pads for general purpose street use.
The advantage of sintered brake pads are as below.
1. For all-weather and stability, such as muddy or rainy weather, the performance of brake pads is almost the same as they are in fine weather.
2. Heat-resistant. The melting point of sintered brake pads is more than 800C. Suited for Downhill or long-time steep run.
3. Hard-wearing. The majority of friction material for the brake pads is iron and copper.
4. Suit for heavy-braking. I have tested for long time. This type of brake pads fit for heavy braking. And the brake force is more excellent than semi-metal organic and copper majority brake pads.