[et_pb_section fb_built=“1″ admin_label=“Header“ _builder_version=“4.14.8″ use_background_color_gradient=“on“ background_color_gradient_start=“rgba(0,0,0,0.49)“ background_color_gradient_end=“rgba(0,0,0,0.6)“ background_color_gradient_overlays_image=“on“ background_image=“http:\/\/harka.is\/wp-content\/uploads\/2022\/03\/s3.jpg“ custom_margin=“||||false“ custom_padding=“10vw||10vw||true|false“ hover_enabled=“0″ global_colors_info=“{}“ theme_builder_area=“post_content“ title_text=“s3″ sticky_enabled=“0″][et_pb_row _builder_version=“3.25″ max_width=“700px“ use_custom_width=“on“ custom_width_px=“700px“ global_colors_info=“{}“ theme_builder_area=“post_content“][et_pb_column type=“4_4″ _builder_version=“3.25″ custom_padding=“|||“ global_colors_info=“{}“ custom_padding__hover=“|||“ theme_builder_area=“post_content“][et_pb_text _builder_version=“4.14.8″ text_font=“||||||||“ header_font=“Playfair Display|700|||||||“ header_font_size=“48px“ header_line_height=“1.5em“ header_3_font=“Rubik|500||on|||||“ header_3_text_color=“#0C71C3″ header_3_font_size=“14px“ header_3_letter_spacing=“2px“ header_3_line_height=“2em“ text_orientation=“center“ background_layout=“dark“ header_font_size_tablet=“38px“ header_font_size_phone=“28px“ header_font_size_last_edited=“on|phone“ global_colors_info=“{}“ theme_builder_area=“post_content“]<\/p>\n
[\/et_pb_text][et_pb_divider color=“#0C71C3″ divider_weight=“4px“ _builder_version=“4.14.8″ max_width=“140px“ module_alignment=“center“ height=“4px“ global_colors_info=“{}“ theme_builder_area=“post_content“][\/et_pb_divider][et_pb_text _builder_version=“4.14.8″ text_font=“||||||||“ text_font_size=“16px“ text_line_height=“2em“ text_orientation=“center“ background_layout=“dark“ custom_margin=“60px||60px||true“ global_colors_info=“{}“ theme_builder_area=“post_content“]N\u00fdlega voru ger\u00f0ar pr\u00f3fanir \u00e1 n\u00fanings\u00feoli LAKRO me\u00f0h\u00f6ndla\u00f0ar steypu samanbori\u00f0 vi\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a.[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=“1″ admin_label=“About“ _builder_version=“3.22″ global_colors_info=“{}“][et_pb_row _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_text _builder_version=“4.14.8″ _module_preset=“default“ header_font=“Playfair Display||||||||“ header_text_align=“center“ global_colors_info=“{}“]<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_text _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“]N\u00fdlega voru ger\u00f0ar pr\u00f3fanir \u00e1 n\u00fanings\u00feoli LAKRO me\u00f0h\u00f6ndla\u00f0ar steypu samanbori\u00f0 vi\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a.
\nAnnars vegar \u00e1 steypu er me\u00f0h\u00f6ndlu\u00f0 var \u00e1 fyrsta degi eftir steypun og hins vegar eftir 28 daga.
\n\u00dea\u00f0 er algengt a\u00f0 nota efni\u00f0 um lei\u00f0 og steypan n\u00e6r h\u00f6rku t.d strax eftir v\u00e9lsl\u00edpun. \u00de\u00e1 virkar \u00fea\u00f0 einnig sem her\u00f0ir og \u00fearf \u00fev\u00ed ekki a\u00f0 gera a\u00f0rar r\u00e1\u00f0stafanir.
\nLAKRO hefur \u00fe\u00f3 vilja\u00f0 halda \u00fev\u00ed fram a\u00f0 til a\u00f0 n\u00e1 h\u00e1marks\u00e1rangri s\u00e9 betra a\u00f0 b\u00ed\u00f0a \u00ed alla veganna 28 daga.<\/p>\n
Hvernig virkar LAKRO?<\/strong> Pr\u00f3f.<\/strong> 8 t\u00edmum eftir steypun var s\u00fdni eitt me\u00f0h\u00f6ndla\u00f0 me\u00f0 LAKRO. Lakro N\u00faningspr\u00f3fun \u00e1 Lakr\u00f3N\u00fdlega voru ger\u00f0ar pr\u00f3fanir \u00e1 n\u00fanings\u00feoli LAKRO me\u00f0h\u00f6ndla\u00f0ar steypu samanbori\u00f0 vi\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a.N\u00faningspr\u00f3fun \u00e1 Lakr\u00f3N\u00fdlega voru ger\u00f0ar pr\u00f3fanir \u00e1 n\u00fanings\u00feoli LAKRO me\u00f0h\u00f6ndla\u00f0ar steypu samanbori\u00f0 vi\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a. Annars vegar \u00e1 steypu er me\u00f0h\u00f6ndlu\u00f0 var \u00e1 fyrsta degi eftir steypun og hins vegar eftir 28 daga. \u00dea\u00f0 er algengt a\u00f0 nota efni\u00f0 um lei\u00f0 og […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-46","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/pages\/46","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/comments?post=46"}],"version-history":[{"count":5,"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/pages\/46\/revisions"}],"predecessor-version":[{"id":162,"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/pages\/46\/revisions\/162"}],"wp:attachment":[{"href":"https:\/\/harka.is\/index.php\/wp-json\/wp\/v2\/media?parent=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u00deegar vatn kemst \u00ed samband vi\u00f0 sement myndast kals\u00edum-s\u00edlikat-h\u00fddrat gel. \u00deetta er helsti hluti styrksins \u00ed steypunni. Sem aukaafur\u00f0 af \u00feessum samruna er kals\u00edum-hydr\u00f3x\u00ed\u00f0. \u00deetta er mun m\u00fdkra og ver\u00f0ur u.\u00fe.b. 15% af steypunni og gerir l\u00edti\u00f0 fyrir styrk hennar. Lakro sem er byggt af s\u00edlik\u00f6tum gengur \u00ed samband vi\u00f0 \u00feetta kalas\u00edum hydt\u00f3x\u00ed\u00f0 og mynda kals\u00edum-s\u00edlikat-h\u00fddroxi\u00f0. \u00deetta samband gj\u00f6rbreytir eiginleikunum og gerir \u00fea\u00f0 a\u00f0 verkum a\u00f0 steypan ver\u00f0ur miklu \u00fe\u00e9ttari, har\u00f0ari og endingarbetri.
\n\u00deegar steypan er fersk hefur ekki n\u00e1\u00f0s t\u00edmi til a\u00f0 byggja upp r\u00e9ttu efnasamb\u00f6ndin svo einhverju nemi. Holr\u00fdmi eru enn\u00fe\u00e1 vatns\u00f3sa og efni\u00f0 hefur ekki eins grei\u00f0a lei\u00f0 inn \u00ed steypuna.
\nHins vegar eftir 28 daga hefur steypan \u00feorna\u00f0 til muna og n\u00f3g hefur myndast af kals\u00edum-h\u00fddr\u00f3xi\u00f0. N\u00fa f\u00e6r LAKRO grei\u00f0a lei\u00f0 inn \u00ed steypuna til a\u00f0 mynda kals\u00edum-s\u00edlikat-hydr\u00f3x\u00ed\u00f0.<\/p>\n
\nASTM D 4060 Taber n\u00faningspr\u00f3f ( Taber Abrasion ).
\nTaber n\u00faningspr\u00f3fi\u00f0 er gert me\u00f0 s\u00e9stakri v\u00e9l sem sn\u00fdr tveimur hj\u00f3lum \u00e1 \u00e1kve\u00f0num hra\u00f0a og l\u00e1tin n\u00faast vi\u00f0 steypus\u00fdnin. Allt sem rispast af er s\u00ed\u00f0an vegi\u00f0. \u00dev\u00ed meira sem rispast \u00fev\u00ed veikari er steypan.
\n\u00derj\u00fa s\u00fdni voru tekin \u00far s\u00f6mu steypu.<\/p>\n
\nS\u00fdnin voru s\u00ed\u00f0an h\u00f6f\u00f0 \u00ed loku\u00f0um plastpokum \u00ed ca. 38 stiga hita (100\u00b0C F) og 100% raka \u00ed 7 daga og s\u00ed\u00f0an 21 dag vi\u00f0 stofuhita.
\nEftir 28 daga var s\u00fdni tv\u00f6 me\u00f0h\u00f6ndla\u00f0 me\u00f0 LAKRO.
\nS\u00fdni \u00ferj\u00fa var ekki me\u00f0h\u00f6ndla\u00f0 og haft til vi\u00f0mi\u00f0unar.
\nEftir 42 daga f\u00f3r pr\u00f3fi\u00f0 fram.
\nGer\u00f0ar voru m\u00e6lingar eftir: 50, 100, 200, 300 og 400 sn\u00faninga.
\nEftir 50 sn\u00faninga var munurinn \u00e1 s\u00fdni eitt og \u00f3me\u00f0h\u00f6ndla\u00f0a s\u00fdninu a\u00f0eins 57% hins vegar var s\u00fdni tv\u00f6 397% betra en \u00fea\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a. Eftir 400 sn\u00faninga var munurinn \u00e1 s\u00fdni eitt 163% og 477% \u00e1 s\u00fdni tv\u00f6 mi\u00f0a\u00f0 vi\u00f0 \u00fea\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_image src=“http:\/\/harka.is\/wp-content\/uploads\/2022\/03\/pr1.jpg“ title_text=“pr1″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_text _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“]Ni\u00f0ursta\u00f0a.<\/strong>
\nB\u00e6\u00f0i s\u00fdni eitt og tv\u00f6 s\u00fdna miklu minni rispun en \u00fea\u00f0 \u00f3me\u00f0h\u00f6ndla\u00f0a.
\nHins vegar er s\u00fdni tv\u00f6 sem f\u00e9kk 28 daga \u00feurrkt\u00edma mun sterkara.
\nNi\u00f0urst\u00f6\u00f0ur \u00feessar eru afgerandi b\u00e6\u00f0i hva\u00f0 var\u00f0ar \u00feurrkt\u00edma og umfram allt hversu vi\u00f0n\u00e1mssterkari steypan ver\u00f0ur vi\u00f0 me\u00f0h\u00f6ndlun me\u00f0 LAKRO.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][et_pb_image src=“http:\/\/harka.is\/wp-content\/uploads\/2022\/03\/pr2.jpg“ title_text=“pr2″ _builder_version=“4.14.8″ _module_preset=“default“ global_colors_info=“{}“][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"