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<title><![CDATA[EC21 Product Catalogs - diamond guide]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/diamond_guide--2644/1/diamond guide.html]]></link><item>
<title><![CDATA[Diamond Impregnated Bits, Diamond Core Bits, Impregnated Bits AQ BQ NQ HQ PQ]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Diamond_Impregnated_Bits_Diamond_Core--10772805_10772810.html]]></link><description><![CDATA[guide:
Rock Type 
Abrasiveness 
Rock Hardness 
Matrix Hardness 
Series. NO 
Clay，Shale,Siltstone, Cypsum
Medium
Soft
HRC 50
GV1#
Ash Stone, Coal, Argilite,, Volcanics, Sandy Pebble
Very High
Soft
H]]></description><pubDate><![CDATA[20210520]]></pubDate></item>
<item>
<title><![CDATA[BQ Impregnated Diamond Core Bit]]></title><link><![CDATA[https://csdrilling.en.ec21.com/BQ_Impregnated_Diamond_Core_Bit--8382535_9984930.html]]></link><description><![CDATA[Guide for Impregnated bits 
Matrix Hardness
Rock Hardness
Abrasiveness
Rock Type
HRC50
Soft
Medium
Clay, shale, siltstone, cypsum
HRC48~50
Soft
Very high
Ash stone, coal, argillite, volcanics, sandy ]]></description><pubDate><![CDATA[20160520]]></pubDate></item>

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