Microwave infrared dual technology detector working method

When passive infrared and microwave channels work independently, there is not enough immunity to false positives: PIR is very sensitive to thermal radiation interference. On the other hand, microwaves are very sensitive to radio frequency interference. Integrated passive infrared and microwave technologies can significantly enhance the detector's immunity to achieve low false alarm rates. Since the alarm signal is generated only when the passive infrared technology and the microwave technology detect the intrusion at the same time, the improvement of the low false alarm rate of the detector is realized.

Abrasive Sanding Disc

Due to its wide range of uses, there are also many varieties of hook and loop sanding disc. The most commonly used are red sanding disc, yellow/gold sanding disc, green sanding disc, and white sanding disc, etc.

The sandpaper disc is using aluminum oxid abrasives, with grits as below: 40#, 60#, 80#, 120#, 180#, 240#, 320#, 400#, 600#, 800#, 1000#, 1200#, 1500#, 2000#.

The abrasive polishing disc can be punched into various shapes, round, round with holes, triangle, rectangle, iron shape, neckline shape, etc.

This product is round abrasive disc size: 100mm, 125mm, 150mm, 180mm, 225mm or other size can be customized.

The holes best selling is with 6 hole, 8 holes, 15 holes, 17 holes or customized.

The main purpose of our abrasive sanding disc:

1. Polishing of primer and finishing of paint, such as mid-coat paint/primer grinding of ships.

2. Polishing of synthetic materials, such as burr sharp edges and surface adjustment after plastic products are formed.

3. Grinding of metal and aluminum alloy to remove foreign matter and surface particles.

4. Suitable for making various specifications of brushed and self-adhesive sand discs.

This abrasive sanding disc is one of our main abrasive products, as the manufacture of abrasive tools, we mainly produce the Flap Disc Backing Pad, Flap Disc Adhesive, Abrasive Flap Disc, bonded abrasives( Cutting Wheels and Grinding Wheels ), Abrasive Machine , etc. So welcome more orders, we can offer you best quality product with best competitive price, please contact Emma.

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Zhengzhou Jiading Abrasive Manufacturing Co.,Ltd , https://www.jiadingabrasive.com