{"id":11150,"date":"2026-03-24T10:00:07","date_gmt":"2026-03-24T09:00:07","guid":{"rendered":"https:\/\/www.bsc-industrie.com\/?p=11150"},"modified":"2026-03-20T10:41:19","modified_gmt":"2026-03-20T09:41:19","slug":"ulv-mantis-bsc-spraying-reducing-formwork-oil","status":"publish","type":"post","link":"https:\/\/www.bsc-industrie.com\/en\/concrete-industry\/ulv-mantis-bsc-spraying-reducing-formwork-oil\/","title":{"rendered":"Concrete research: ensuring reproducibility with KNIELE KKM-L and KKM-RT laboratory mixers (in collaboration with BSC-B\u00e9ton Stone Consulting)"},"content":{"rendered":"<p>[vc_row][vc_column offset=&#8221;vc_col-lg-9 vc_col-md-9&#8243; css=&#8221;.vc_custom_1452702342137{padding-right: 45px !important;}&#8221;][vc_custom_heading text=&#8221;Concrete research: ensuring reproducibility with KNIELE KKM-L and KKM-RT laboratory mixers (in collaboration with BSC-B\u00e9ton Stone Consulting)&#8221; font_container=&#8221;tag:h1|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221; el_class=&#8221;no_stripe&#8221; css=&#8221;.vc_custom_1773993003034{margin-top: 40px !important;}&#8221;][stm_post_details][vc_column_text css=&#8221;.vc_custom_1773993816192{margin-bottom: 20px !important;}&#8221;]<em>In an R&amp;D context, the difference between a \u2018promising\u2019 formulation and one that is \u2018ready for industrial production\u2019 often hinges on two factors: the homogeneity and reproducibility of small-scale mixing. <strong><a href=\"https:\/\/www.bsc-industrie.com\/service\/kniele\/\">KNIELE\u2019s <\/a><a href=\"https:\/\/www.bsc-industrie.com\/en\/works\/laboratory-mixer-kkm-l\/\">KKM-L<\/a> and<a href=\"https:\/\/www.bsc-industrie.com\/en\/works\/kkm-rt-laboratory-mixer\/\"> KKM-RT<\/a> laboratory mixers<\/strong> are designed to deliver homogeneous and reproducible mixes for concrete, mortar, construction materials and complex mixtures. <\/em>[\/vc_column_text][vc_empty_space height=&#8221;15px&#8221;][vc_row_inner css=&#8221;.vc_custom_1452700243026{margin-bottom: 39px !important;}&#8221;][vc_column_inner][vc_custom_heading text=&#8221;Why is laboratory mixing so crucial in the development of formulations?&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]When R&amp;D teams work on s<strong>elf-compacting concrete<\/strong>, <strong>special concrete<\/strong> or <strong>ultra-high-performance concrete<\/strong>, sensitivity to addition sequences, speeds, tools and mixing times increases significantly.<\/p>\n<p>The KKM-L laboratory mixer is essential for developing <strong>homogeneous and reproducible mixtures <\/strong>for formulation testing.<\/p>\n<p>Generally, two requirements often coexist in the concrete industry:<\/p>\n<ul>\n<li><strong>to produce<\/strong> reliable samples (mechanical testing, durability, appearance, etc.);<\/li>\n<li><strong>to understand <\/strong>the behaviour of fresh concrete (workability, stability, rheology<a href=\"#_ftn1\" name=\"_ftnref1\">[1]<\/a> ).<\/li>\n<\/ul>\n<p>This is precisely the dividing line between the <strong>KKM-L<\/strong> (test production) and the <strong>KKM-RT<\/strong> (production + advanced measurements focused on rheology\/fresh concrete testing).[\/vc_column_text][vc_custom_heading text=&#8221;KKM-L: a laboratory mixer designed for homogeneity, flexibility and transfer to production&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_custom_heading text=&#8221;Target applications (formulation + complex materials)&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]KKM-L mixer is suitable for <strong>special concretes<\/strong>, <strong>self-compacting concretes<\/strong>, <strong>ultra-high-performance concretes<\/strong>, <strong>dry mixes<\/strong> and <strong>suspensions<\/strong>.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner css=&#8221;.vc_custom_1452700243026{margin-bottom: 39px !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_custom_heading text=&#8221;Technical specifications&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]The KKM-L laboratory mixer is designed for <strong>smooth and efficient mixing. Its recognised advantage is its compact design and ergonomic features <\/strong> For laboratories: <strong>easy cleaning <\/strong>and <strong>simplified maintenance, <\/strong><strong>plus durable materials<\/strong> for long-lasting performance.<\/p>\n<p>The <strong>mixing principle common to the KKM series <\/strong>is <strong>high mixing quality,<\/strong> <strong>simple <\/strong>cleaning and <strong>the transfer of laboratory tests to production mixers on an \u2018almost full-scale\u2019 basis.<\/strong>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;11183&#8243; img_size=&#8221;full&#8221;][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1769779355908{margin-bottom: 39px !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_custom_heading text=&#8221;Mobility, speeds, tooling&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]The KKM-L laboratory mixer can be used either as <strong>a portable or stationary <\/strong>unit and can be adapted for high-speed operation <strong>using various mixing<\/strong> and <strong>drive attachments.<\/strong>[\/vc_column_text][vc_empty_space height=&#8221;45px&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_custom_heading text=&#8221;Capacities: standard models and volumes&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Range<\/strong><\/td>\n<td><strong>Dry mix<\/strong><\/td>\n<td>Wet mix<\/td>\n<\/tr>\n<tr>\n<td><strong>KKM 30\/40<\/strong><\/td>\n<td>3 L to 40 L<\/td>\n<td>3 L to 30 L<\/td>\n<\/tr>\n<tr>\n<td><strong>KKM 100\/150<\/strong><\/td>\n<td>10 L to150 L<\/td>\n<td>10 L to 130 L<\/td>\n<\/tr>\n<tr>\n<td><strong>KKM 250\/375<\/strong><\/td>\n<td>37 L to 375 L<\/td>\n<td>37 L to 250 L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text]<strong>Operational readout:<\/strong> these ranges facilitate the transition from a \u2018micro-formulation\u2019 protocol to larger batches without changing the mixing logic, which KNIELE presents as an advantage in terms of scalability to production scale.[\/vc_column_text][vc_custom_heading text=&#8221;KKM-RT: when mixing also becomes a testing station (rheology\/fresh concrete testing)&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_custom_heading text=&#8221;Applications and materials&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]The KKM-RT mixer is suitable for <strong>dry and wet mixing<\/strong>, <strong>dry mortar<\/strong>, <strong>lightweight concrete<\/strong>, <strong>mineral concrete<\/strong>, <strong>dry chemical mixtures<\/strong>, <strong>refractory concrete<\/strong>, <strong>liquid adhesives<\/strong>, and <strong>animal feed.<\/strong>[\/vc_column_text][vc_row_inner content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1769779355908{margin-bottom: 39px !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_custom_heading text=&#8221;Technical specifications listed&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]The KKM-RT factsheet highlights, amongst other things:<\/p>\n<ul>\n<li><strong>stainless steel <\/strong>construction,<\/li>\n<li><strong>output of up to 15 litres,<\/strong><\/li>\n<li>quick draining and cleaning,<\/li>\n<li><strong>determination of rheological properties,<\/strong><\/li>\n<li>quick tool change,<\/li>\n<li>dosing of dry or liquid materials,<\/li>\n<li><strong>humidity sensor.<\/strong><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;11184&#8243; img_size=&#8221;full&#8221;][\/vc_column_inner][\/vc_row_inner][vc_column_text]The KKM-RT laboratory mixer is regarded as a laboratory system incorporating <strong>rheological <\/strong>and <strong>tribometric measurement techniques<\/strong>.[\/vc_column_text][vc_custom_heading text=&#8221;Focus on \u2018fresh concrete\u2019 &#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]The KKM-RT laboratory mixer is ideal for fresh concrete testing:<\/p>\n<ul>\n<li><strong>spread measurement,<\/strong><\/li>\n<li><strong>setting time measurement directly in the vessel,<\/strong><\/li>\n<li><strong>VdZ funnel (V-funnel),<\/strong><\/li>\n<li><strong>LCPC box,<\/strong><\/li>\n<li><strong>recording of measurements in the software.<\/strong><\/li>\n<\/ul>\n<p>With regard to the <strong>V-funnel,<\/strong> civil engineering resources refer to the <strong>EN 12350-9<\/strong> standard and the principle of measuring the flow time of self-compacting concrete.<\/p>\n<p>Methodological point: the added value of the KKM-RT lies less in \u2018mixing harder\u2019 than in \u2018mixing &amp; measuring\u2019, in order to objectively identify deviations in formulation and protocol. This approach corresponds to the rheological measurement of the RT laboratory mixer.[\/vc_column_text][vc_row_inner content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1769779355908{margin-bottom: 39px !important;}&#8221;][vc_column_inner][vc_custom_heading text=&#8221;The role of BSC-B\u00e9ton Stone Consulting in this approach&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]Our role is to identify your needs and recommend a model that meets your requirements. Our technical sales team supports your laboratory staff and R&amp;D departments seeking to ensure the reliability of their formulation tests through a <strong>pragmatic<\/strong> and <strong>quantifiable<\/strong> approach. With this in mind, we offer the<strong> KKM-RT laboratory mixer <\/strong>as a comprehensive solution combining <strong>intensive mixing<\/strong> with <strong>rheological measurement<\/strong>, enabling precise characterisation of the material\u2019s behaviour in its fresh state and ensuring the reliability and reproducibility of protocols.  <\/p>\n<p>Depending on the configuration chosen, the system can incorporate a <strong>humidity senso<\/strong>r and a <strong>dosing unit<\/strong> for <strong>dry<\/strong> and <strong>liquid <\/strong>ingredients, which facilitates control over feeding sequences, traceability of parameters and objective comparison between formulations.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_custom_heading text=&#8221;KKM-L or KKM-RT laboratory mixer: decision matrix &#8221; font_container=&#8221;tag:h1|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_custom_heading text=&#8221;Opt for the KKM-L laboratory mixer if the main objective is\u2026&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]<\/p>\n<ul>\n<li><strong>production of test specimens<\/strong> and the repeatability of test batches;<\/li>\n<li><strong>volume flexibility<\/strong> (up to 375 L for dry mixing according to the table);<\/li>\n<li>a compact, mobile\/stationary unit that is easy to clean.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_custom_heading text=&#8221;Choose the KKM-RT laboratory mixer if the main objective is\u2026&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]<\/p>\n<ul>\n<li><strong>characterising fresh material<\/strong> using a \u2018mix &amp; measure\u2019 approach (rheology);<\/li>\n<li>small batches (up to 15 L as indicated on the data sheet) combined with metrology (probe, dosing, recording).<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<a href=\"#_ftnref1\" name=\"_ftn1\">[1]<\/a> <strong>rheo<em>logy<\/em><\/strong>, n., phys., eng. Science; the study of the phenomena that govern the flow and deformation of matter (plasticity, viscosity, elasticity) (according to Adr.-Legr. 1981). <em>Rheology<\/em>    <em>is the study of the flow of natural bodies. In fact, it has a broader meaning and also encompasses the study of the deformation of matter, even when this is not accompanied by continuous flow <\/em>  (<em>Encyclop. Sc. Techn.  <\/em>t. 91973, p. 539)., <em>CNRTL<\/em>, \u2018Rheology\u2019, <a href=\"https:\/\/www.cnrtl.fr\/definition\/rh%C3%A9ologie\">https:\/\/www.cnrtl.fr\/definition\/rh%C3%A9ologie,<\/a> accessed 10\/03\/2026[\/vc_column_text][vc_row_inner content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1769779355908{margin-bottom: 39px !important;}&#8221;][vc_column_inner][vc_custom_heading text=&#8221;FAQ \u2013 KNIELE KKM-L and KKM-RT laboratory mixers&#8221; font_container=&#8221;tag:h1|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_toggle title=&#8221;Is KKM-L suitable for self-compacting concrete (SCC) and ultra-high-performance concrete (UHPC) mixes?&#8221;]Yes. <strong>Self-compacting concrete<\/strong> and <strong>ultra-high-performance concrete<\/strong> are among the applications for which the <strong>KKM-L<\/strong> laboratory mixer is designed.[\/vc_toggle][vc_toggle title=&#8221;What capacities do the KKM-L laboratory mixer models offer?&#8221;]Depending on the model of <strong>the KKM-L laboratory mixer,<\/strong> capacities range up to <strong>375 litres for dry mixing<\/strong> (KKM 250\/375) and up to 250 litres for <strong>wet mixing <\/strong>(KKM 250\/375), with intermediate models (KKM 30\/40 and KKM 100\/150).[\/vc_toggle][vc_toggle title=&#8221;What is the key difference between the KKM-L and KKM-RT laboratory mixers in terms of R&amp;D applications?&#8221;]The <strong>KKM-L laboratory mixer<\/strong> is designed to deliver <strong>high-quality mixing<\/strong>, even with<strong> small batches<\/strong>, with a view to <strong>scaling up test results to production scale.<\/strong><\/p>\n<p>The <strong>KKM-RT<\/strong> <strong>laboratory mixer<\/strong> is part of a \u2018mixing and measurement\u2019 approach, <strong>incorporating rheological and tribometric measurement techniques.<\/strong>[\/vc_toggle][vc_toggle title=&#8221;Does the KKM-RT laboratory mixer include dosing and moisture measurement functions?&#8221;]Yes. The <strong>KKM-RT 15\/22.5<\/strong> <strong>laboratory mixer<\/strong> is equipped with <strong>a moisture sensor<\/strong> and a <strong>dosing unit<\/strong> for adding <strong>liquid <\/strong>and <strong>dry <\/strong>ingredients.[\/vc_toggle][vc_toggle title=&#8221;What is the purpose of the V-funnel test in BAP?&#8221;]Standard <strong>NF EN 12350-9 <\/strong>specifies a method for <strong>determining the V-funnel slump<\/strong> of <strong>self-compacting concrete<\/strong>, with a specified limit of use where the maximum aggregate size exceeds <strong>22.4 mm<\/strong>.[\/vc_toggle][vc_toggle title=&#8221;Is a \u2018laboratory\/pilot\u2019 integration still feasible beyond a standalone system?&#8221;]Yes. We can <strong>provide bespoke equipment integration<\/strong> and <strong>set up a laboratory or pilot plant on request.<\/strong>[\/vc_toggle][\/vc_column_inner][\/vc_row_inner][vc_row_inner css=&#8221;.vc_custom_1452700243026{margin-bottom: 39px !important;}&#8221;][vc_column_inner][stm_spacing][vc_empty_space height=&#8221;40&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column width=&#8221;1\/4&#8243; offset=&#8221;vc_hidden-sm vc_hidden-xs&#8221;][stm_sidebar sidebar=&#8221;527&#8243;][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; css=&#8221;.vc_custom_1459505959648{margin-bottom: -60px !important;}&#8221; el_class=&#8221;third_bg_color&#8221;][vc_column][vc_cta h2=&#8221;Questions ? Need additional information?&#8221; h2_font_container=&#8221;tag:h2|font_size:20px|text_align:left|color:%23000000|line_height:24px&#8221; h2_use_theme_fonts=&#8221;yes&#8221; shape=&#8221;square&#8221; style=&#8221;flat&#8221; add_button=&#8221;right&#8221; btn_title=&#8221;Contact&#8221; btn_style=&#8221;flat&#8221; btn_color=&#8221;theme_style_2&#8243; btn_size=&#8221;lg&#8221; btn_align=&#8221;right&#8221; btn_i_align=&#8221;right&#8221; btn_i_icon_fontawesome=&#8221;far fa-arrow-alt-circle-right&#8221; use_custom_fonts_h2=&#8221;true&#8221; btn_add_icon=&#8221;true&#8221; btn_link=&#8221;url:https%3A%2F%2Fwww.bsc-industrie.com%2Fen%2Fcontact%2F|title:Contact|&#8221; el_class=&#8221;third_bg_color&#8221; css=&#8221;.vc_custom_1649175355736{margin-bottom: 0px !important;}&#8221;][\/vc_cta][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comparison of the KNIELE KKM-L and KKM-RT: volumes, concrete\/mortar applications, measurement options, and laboratory\/pilot plant integration with BSC.<\/p>\n","protected":false},"author":2,"featured_media":11085,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"%%post_title%% %%sep%% %%sitetitle%%","_seopress_titles_desc":"KKM-L ou KKM-RT : quel malaxeur de laboratoire KNIELE pour essais b\u00e9ton ? 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