{"id":9888,"date":"2026-08-11T13:46:56","date_gmt":"2026-08-11T13:46:56","guid":{"rendered":"https:\/\/www.whitesand.sa\/?p=9888"},"modified":"2026-08-11T13:55:54","modified_gmt":"2026-08-11T13:55:54","slug":"faq-white-sand-rep-sr-150","status":"publish","type":"post","link":"https:\/\/www.whitesand.sa\/ar\/faq-white-sand-rep-sr-150\/","title":{"rendered":"FAQ: White Sand REP SR 150"},"content":{"rendered":"
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\r\n 1. What is WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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WHITE SAND REP SR 150 is a high-strength, sulphate-resistant, structural cementitious repair compound. It is a ready-to-use, pre-mixed repair mortar formulated with Type V sulphate-resistant cement, selected graded aggregates, and special additives for repairing concrete structures exposed to sulphate attack.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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\r\n 2. What is WHITE SAND REP SR 150 used for?\n<\/span>\r\n <\/div>\r\n
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WHITE SAND REP SR 150 is designed for:<\/span><\/p>

  • \u0625\u0635\u0644\u0627\u062d \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a\u0629.<\/span><\/li>
  • Repairing concrete exposed to sulphate-rich environments<\/span><\/li>
  • Patch repairs for concrete floor slabs<\/span><\/li>
  • Filling voids deeper than 5 mm<\/span><\/li>
  • General structural concrete restoration<\/span><\/li><\/ul> <\/div>\r\n <\/div>\r\n <\/div>\r\n
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    \r\n 3. Where is WHITE SAND REP SR 150 commonly used?\n<\/span>\r\n <\/div>\r\n
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    The product is ideal for repairing:<\/span><\/p>

    • Foundations exposed to sulphates<\/span><\/li>
    • Sewage treatment facilities<\/span><\/li>
    • Marine structures<\/span><\/li>
    • Industrial concrete structures<\/span><\/li>
    • Concrete floor slabs<\/span><\/li>
    • Infrastructure requiring sulphate resistance<\/span><\/li><\/ul> <\/div>\r\n <\/div>\r\n <\/div>\r\n
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      \r\n 4. What are the main advantages of WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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      \u064a\u062a\u0645\u064a\u0632 \u063a\u0631\u0627\u0621 \u0648\u0627\u064a\u062a \u0633\u0627\u0646\u062f \u0628\u0631\u064a\u0645\u064a\u0648\u0645 \u0641\u064a\u0643\u0633 \u0628\u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0632\u0627\u064a\u0627\u060c \u0645\u0646\u0647\u0627:<\/span><\/p>

      • Sulphate-resistant formulation using Type V cement<\/span><\/li>
      • High compressive strength<\/span><\/li>
      • \u0642\u0648\u0629 \u0627\u0644\u062a\u0635\u0627\u0642 \u0645\u0645\u062a\u0627\u0632\u0629.<\/span><\/li>
      • High durability<\/span><\/li>
      • \u063a\u064a\u0631 \u0642\u0627\u0628\u0644 \u0644\u0644\u0627\u0646\u0643\u0645\u0627\u0634.<\/span><\/li>
      • Dimensionally stable<\/span><\/li>
      • \u0633\u0631\u0639\u0629 \u0648\u0633\u0647\u0648\u0644\u0629 \u0641\u064a \u0627\u0644\u062a\u0646\u0641\u064a\u0630.<\/span><\/li>
      • \u0633\u0647\u0648\u0644\u0629 \u0639\u0627\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642.<\/span><\/li>
      • Strong mechanical properties<\/span><\/li>
      • Reduced rebound and material loss during application<\/span><\/li><\/ul> <\/div>\r\n <\/div>\r\n <\/div>\r\n
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        \r\n 5. Why is WHITE SAND REP SR 150 sulphate resistant?\n<\/span>\r\n <\/div>\r\n
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        WHITE SAND REP SR 150 is manufactured with <\/span>Type V sulphate-resistant cement<\/b>, making it suitable for repairing concrete exposed to sulphate ions and aggressive environments where ordinary repair mortars may deteriorate.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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        \r\n 6. Can WHITE SAND REP SR 150 be applied on vertical surfaces?\n<\/span>\r\n <\/div>\r\n
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        Yes. WHITE SAND REP SR 150 can be applied up to <\/span>20 mm<\/b> thick in a single application on vertical concrete surfaces.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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        \r\n 7. Can WHITE SAND REP SR 150 be used for horizontal repairs?\n<\/span>\r\n <\/div>\r\n
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        Yes. It can be applied up to <\/span>50 mm<\/b> thick in a single layer for horizontal concrete repairs and patch repairs.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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        \r\n 8. What is the compressive strength of WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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        \u064a\u062d\u0642\u0642 \u0648\u0627\u064a\u062a \u0633\u0627\u0646\u062f \u0631\u064a\u0628 \u0625\u0641 \u0622\u0631 200 \u0645\u0642\u0627\u0648\u0645\u0629 \u0636\u063a\u0637 \u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u062a\u0628\u0644\u063a:<\/span><\/p>

        • 40 MPa after 7 days<\/b><\/li>
        • 50 MPa after 28 days<\/b>
          <\/b> according to ASTM C109.<\/span><\/li><\/ul> <\/div>\r\n <\/div>\r\n <\/div>\r\n
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          \r\n 9. What is the tensile strength of WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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          WHITE SAND REP SR 150 achieves a tensile strength of <\/span>3.5 MPa or greater after 28 days<\/b> according to ASTM C307.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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          \r\n 10. What is the flexural strength of WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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          The repair mortar provides a flexural strength of <\/span>5 MPa or greater after 28 days<\/b> according to ASTM C348.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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          \r\n 11. What is the recommended mixing ratio?\n<\/span>\r\n <\/div>\r\n
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          Mix approximately <\/span>3.8 liters of clean water with one 20 kg bag<\/b> of WHITE SAND REP SR 150 to achieve the proper consistency.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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          \r\n 12. How should the substrate be prepared before application?\n<\/span>\r\n <\/div>\r\n
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          \u0642\u0628\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u060c \u064a\u062c\u0628:<\/span><\/p>

          • Remove all weak or damaged concrete.<\/span><\/li>
          • Cut back to sound concrete to a minimum depth of 10 mm.<\/span><\/li>
          • Remove dust, grease, oil, rust, and contaminants.<\/span><\/li>
          • Saturate absorbent surfaces with clean water.<\/span><\/li>
          • Grit blast corroded reinforcing steel.<\/span><\/li>
          • Replace severely corroded reinforcement if required.<\/span><\/li>
          • \u0642\u0635 \u062d\u0648\u0627\u0641 \u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0628\u0645\u0646\u0634\u0627\u0631 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062d\u0648\u0627\u0641 \u0645\u0646\u062a\u0638\u0645\u0629.<\/span><\/li>
          • Thoroughly clean the repair area using a brush or compressed air.<\/span><\/li><\/ul> <\/div>\r\n <\/div>\r\n <\/div>\r\n
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            \r\n 13. Is priming required before applying WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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            Yes. Reinforcing steel should first be treated with a corrosion inhibitor. The prepared concrete substrate should then be primed using <\/span>WHITE SAND PRIME RC acrylic primer and bonding agent<\/b>. Apply the repair mortar while the primer remains tacky.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 14. How do you mix WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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            Slowly add the powder into the measured clean water while mixing with a grout mixer or slow-speed drill fitted with a high-shear paddle. Mix continuously for at least <\/span>3 minutes<\/b> until a smooth, homogeneous mortar is obtained. Do not prepare partial mixes.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 15. How is WHITE SAND REP SR 150 applied?\n<\/span>\r\n <\/div>\r\n
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            Apply the repair mortar by hand or using a steel trowel. Firmly press the mortar into the substrate to ensure complete compaction and excellent adhesion. Finish the surface initially with a wooden or plastic float, then complete the final finish using a steel float.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 16. How should thick repairs be applied?\n<\/span>\r\n <\/div>\r\n
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            For thicker vertical applications, gradually build up the repair mortar in firmly pressed layers to ensure excellent adhesion between the substrate and each successive layer.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 17. How should WHITE SAND REP SR 150 be cured?\n<\/span>\r\n <\/div>\r\n
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            After application, cure the mortar by continuous water curing and covering it with polyethylene sheets, or use the <\/span>WHITE SAND Cure<\/b> curing compound to reduce moisture evaporation and improve strength development.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 18. How should tools be cleaned after application?\n<\/span>\r\n <\/div>\r\n
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            \u062a\u064f\u0646\u0638\u0641 \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0628\u0627\u0644\u0645\u0627\u0621 \u0627\u0644\u0646\u0638\u064a\u0641 \u0642\u0628\u0644 \u062a\u0635\u0644\u0628 \u0627\u0644\u0645\u0648\u0646\u0629. \u0623\u0645\u0627 \u0628\u0639\u062f \u0627\u0644\u062a\u0635\u0644\u0628\u060c \u0641\u0644\u0627 \u064a\u0645\u0643\u0646 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0627\u062f\u0629 \u0625\u0644\u0627 \u0628\u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 19. What packaging is WHITE SAND REP SR 150 available in?\n<\/span>\r\n <\/div>\r\n
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            WHITE SAND REP SR 150 is supplied in <\/span>\u0623\u0643\u064a\u0627\u0633 20 \u0643\u062c\u0645<\/b>.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 20. What is the shelf life of WHITE SAND REP SR 150?\n<\/span>\r\n <\/div>\r\n
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            \u062a\u0628\u0644\u063a \u0645\u062f\u0629 \u0627\u0644\u0635\u0644\u0627\u062d\u064a\u0629 12 \u0634\u0647\u0631\u064b\u0627 \u0639\u0646\u062f \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0646\u062a\u062c \u0641\u064a \u0639\u0628\u0648\u062a\u0647 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629\u060c \u0641\u064a \u0645\u0643\u0627\u0646 \u062c\u0627\u0641 \u0648\u0645\u0638\u0644\u0644\u060c \u0648\u0628\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0623\u0642\u0644 \u0645\u0646 35\u00b0\u0645.<\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 21. Is WHITE SAND REP SR 150 safe to use?\n<\/span>\r\n <\/div>\r\n
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            Yes. Wear suitable protective gloves and safety goggles during handling and application. Avoid contact with skin and eyes. Wash exposed skin with soap and water, rinse eyes immediately with clean water if contact occurs, and seek medical advice if irritation persists. The product is non-flammable and is not classified as hazardous under current legislation.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 22. Can WHITE SAND REP SR 150 be used in aggressive sulphate environments?\n<\/span>\r\n <\/div>\r\n
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            Yes. Because it is formulated with <\/span>Type V sulphate-resistant cement<\/b>, WHITE SAND REP SR 150 is specifically developed for repairing concrete exposed to sulphate-bearing soils, groundwater, wastewater, marine environments, and industrial conditions.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 23. Does WHITE SAND REP SR 150 provide durable long-term repairs?\n<\/span>\r\n <\/div>\r\n
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            Yes. Its high strength, excellent adhesion, dimensional stability, sulphate resistance, and durable cementitious formulation provide reliable long-term structural concrete repairs.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n

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            \r\n 24. Why choose WHITE SAND REP SR 150 over conventional repair mortars?\n<\/span>\r\n <\/div>\r\n
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            WHITE SAND REP SR 150 offers superior sulphate resistance, high compressive strength, excellent adhesion, compensated shrinkage, dimensional stability, durable structural performance, and easy application, making it an excellent choice for repairing concrete structures in aggressive environments where long-term durability is essential.<\/span><\/p> <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t <\/div>\r\n <\/div>\r\n \t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

            1. What is WHITE SAND REP SR 150? WHITE SAND REP SR 150 is a high-strength, sulphate-resistant, structural cementitious repair compound. It is a ready-to-use, pre-mixed repair mortar formulated with Type V sulphate-resistant cement, selected graded aggregates, and special additives for repairing concrete structures exposed to sulphate attack. 2. What is WHITE SAND REP SR […]<\/p>\n","protected":false},"author":1,"featured_media":8341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[93],"tags":[],"class_list":["post-9888","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/posts\/9888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/comments?post=9888"}],"version-history":[{"count":4,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/posts\/9888\/revisions"}],"predecessor-version":[{"id":9894,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/posts\/9888\/revisions\/9894"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/media\/8341"}],"wp:attachment":[{"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/media?parent=9888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/categories?post=9888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.whitesand.sa\/ar\/wp-json\/wp\/v2\/tags?post=9888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}