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		<title>Hempcrete Gets a Strength Boost: Sulphate Additive Makes Carbon-Negative Building Material Tougher</title>
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		<pubDate>Wed, 07 Oct 2026 16:03:58 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[carbon sequestration]]></category>
		<category><![CDATA[carbon-negative construction]]></category>
		<category><![CDATA[compressive strength]]></category>
		<category><![CDATA[drying shrinkage]]></category>
		<category><![CDATA[durability]]></category>
		<category><![CDATA[ettringite]]></category>
		<category><![CDATA[hempcrete]]></category>
		<category><![CDATA[life cycle assessment]]></category>
		<category><![CDATA[lime binder]]></category>
		<category><![CDATA[metakaolin]]></category>
		<category><![CDATA[potassium sulphate]]></category>
		<category><![CDATA[sustainable building materials]]></category>
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					<description><![CDATA[South African researchers show that adding three percent potassium sulphate to hempcrete nearly doubles its compressive strength and reduces shrinkage while preserving the material's net-negative carbon footprint.]]></description>
		
		
		
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