Mid-range water-reduced concrete is suitable for many applications, particularly slabs on grade, such as driveways and sidewalks, and other types of flatwork. improved finishing when compared to a normal water reducer. Mid-Range Water-Reducing Applications: Medium dosage, cost-effective water reducer. 0000004346 00000 n Giving the best workability, having superior slump retention and aiding in the production of High Performance Concrete (HPC) and Self Consolidating Concrete (SCC). MIRA® 35 is a mid-range water reducer specifically formulated to produce concrete with enhanced finishing characteristics and near-neutral set times. ��7M�����L��,�Ҙ�� ]F�Z:����N��K�}a��pa��9���͹s{�%ɭ絶ڬ�O�"��Bgy!���"����:��B�����6��]��T��m�5�S�Ya���{;q�[`������&�������7��. 0000010109 00000 n Types of Mid-range Water Reducers Many ready mix suppliers today offer concretes containing mid-range water re d u c e r s . Can reduce water content by at least 8% and as much as 15%. 0000007774 00000 n This page is available in the following languages: Mid-range water-reducing admixtures promote superior workability and finishing of concrete, and improve concrete performance with excellent early strength and rheology. 0000000856 00000 n 0000001404 00000 n Used with conventional slump concrete. Non-chloride admixtures; Facilitates finishing to achieve desired surface appearance High-range water reducers, commonly called superplasticizers, were developed for high-strength and high-performance concrete applications. This application is ideal for use with lean, harsh ready mix concrete mixes or concrete containing fly ash. startxref They include achieving the 5- to 8-inch slumps many contractors prefer. Al-though MRWRAs have been widely accepted by the concrete industry, there is still no classification by type for the mid-range class in ASTM C 494, Standard Specification for Chemical Admixtures for Concrete. x�b```b``����� �� Ȁ �@16��%!YF֔E�-~H��������g'����▖���(��������� ����@Z����00�fP`8�Rʰ���Y�Y�نY��K1s� ]/d8�R������ �|�����$P�K9V���A � �@$w trailer 0000003160 00000 n Mid range water reducing admixtures Mid range water reducing admixtures. Water Reducers, High-Range High levels of water reduction for outstanding engineering performance The technology and versatility of the superplasticizers portfolio excels in high performance areas such as high strength concrete, pumpability, self-consolidating concrete, low permeability, low water absorption concrete and low shrinkage applications. Manufacturers accommodate this lack At a medium dosage, SikaPlast®-500 can be used as a cost effective mid range water reducing admixture or simply as a water reducing admixture for production of conventional slump concrete. MRWRAs have several features that make them particularly suitable for many of today's ready-mixed concrete applications. 0000013933 00000 n 0000006039 00000 n Please login with your username and password. High temperatures often cause an increased rate of hardening which makes placing and finishing difficult. 23 0 obj <> endobj 0000012748 00000 n 0000009207 00000 n Mid range water reducing admixtures Mid range water reducing admixtures. Mid-Range Water Reducing Admixture. Retarding admixtures, which slow the setting rate of concrete, are used to counteract the accelerating effect of hot weather on concrete setting. Reducing the water content of concrete. 0000021395 00000 n Applications Recommended for use in: All concrete applications where superior workability, pumpability and finishability qualities PLASTOL 341 shows improved finishing characteristics when compared to other commonly used Type A (typically 5-6% water reduction) or Type F (typically 12-15% water reduction) admixtures. Mid-Range Water Reducing Admixture Products, Available in Canada | Concrete water reduction (5-15%) | Superior finishability, workability, and pumpability, Master Builders Solutions Technical Support, Dosage flexibility - up to 20% water reduction | Provides excellent finishability | Very good late-age strength, Excellent in difficult concrete slump range of 5-8 in. A conventional water reducer can reduce slump by about 1 to 2 inches without the addition of water. �2�^�VRO���~>n\���8F���|t(���d�h�j>a�k�u��8�Ʉ�57܅0Kń� ��e��2)����S�nC/�;���ű=�w^}Ȑ��P���1��4%�,�Ly�AZ)�l��j^]h�*�)�p$���� ��}9Q�� �� ���� MWR – Mid-Range Water reducer SikaPlast® 3-in-1. Flatwork can be challenging for concrete contractors. Multifunctional neutral set water reducer (WR-MWR-HWR) Contact Us. 0000017248 00000 n MIRA® Mid-Range Water Reducers Superior placeability and finishability for concrete flatwork. endstream endobj 24 0 obj<> endobj 26 0 obj<>/ProcSet 48 0 R>>>> endobj 27 0 obj<> endobj 28 0 obj<> endobj 29 0 obj<> endobj 30 0 obj<> endobj 31 0 obj<> endobj 32 0 obj<>stream Mid range water reducing admixtures Mid range water reducing admixtures. EUCON MR shows improved finishing characteristics when compared to other commonly used Type A (typically 5-6% water reduction) or Type F (typically 12-15% water reduction) admixtures. it can also be used as a plasticizing admixture when administered in higher doses. There is not an official ASTM classification for these admixtures, but they are usually approved as Type A or Type F admixture. High-Range Water Reducers are used to reduce water demand at 12 - 30%. 0000012509 00000 n CHRYSO ® Quad 520 EMx is a new generation multi-range water reducer which makes concrete less sensitive to water and fine content inconsistencies. Mid Range Water Reducing Applications: At a lower dosage, Sika® ViscoCrete®-1000 can be used as a cost effective mid range water reducing admixture or simply as a water reducing admixture for production of conventional slump concrete. 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