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<title><![CDATA[EC21 Product Catalogs - abrasive stone]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/abrasive_stone--2644/1/abrasive stone.html]]></link><item>
<title><![CDATA[Tungsten Carbide Inserts]]></title><link><![CDATA[https://lindaguo88.en.ec21.com/Tungsten_Carbide_Inserts--8779487_8779488.html]]></link><description><![CDATA[abrasive and corrosion resistance; 
12).high quality and high hardness; 
13).purity without recled materials; 
14).with coating or uncoating; 
15).professional manufacture; 
16).different types of ca]]></description><pubDate><![CDATA[20140227]]></pubDate></item>
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<title><![CDATA[HQ3 Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/HQ3_Impregnated_Diamond_Core_Bit--8382535_9984950.html]]></link><description><![CDATA[Abrasiveness
Rock Type
HRC50
Soft
Medium
Clay, shale, siltstone, cypsum
HRC48~50
Soft
Very high
Ash stone, coal, argillite, volcanics, sandy pebble
HRC45~48
Medium soft
Very high
Sandstone, sandy sha]]></description><pubDate><![CDATA[20160520]]></pubDate></item>
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<title><![CDATA[TSP Bits, Thermally Stable Polycrystalline Bits, TSP Drill Bits AQ BQ NQ HQ PQ NQ3 HQ3 PQ3]]></title><link><![CDATA[https://gzvilong.en.ec21.com/TSP_Bits_Thermally_Stable_Polycrystalline--10772805_11384721.html]]></link><description><![CDATA[abrasive and fragmented formations with a Mohs hardness range from 3 to 5, typical formations like sandstone, limestone, slate, fluorite, apatite etc.
Key Features:
Ø The cutting elements remain sha]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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