Microsilica gel for waterproofing special structures

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Microsilica gel for waterproofing special structures

partoGEL 205W is an advanced type of concrete admixture based on microsilica, super-reducing agents and sealing polymers, which in addition to strengthening the rheological properties of fresh concrete, compressive strength and reducing water absorption of hardened concrete, and ultimately a unique structure against We will have water penetration.


“PL 205W, in addition to the relative improvement of compressive, tensile and flexural strength, is used to make impermeable concrete, as well as in places exposed to destructive agents such as sulfate ion and chlorine ion. This product is highly recommended for all types of tanks, tunnels, water transfer canals and concrete sealing structures. ”


Significant reduction in concrete permeability Increasing concrete density as well as long-term durability of concrete Improving the properties of concrete and reducing the alkalinity of concrete Reduction of water to cement ratio and 20 to 40% increase in compressive strength of concrete compared to concrete samples without additives Increasing the flow and efficiency of fresh concrete Improved pumpability and concrete polishing Reducing permeability, increase compaction and long-term durability of concrete ۱۰ to 15% reduction in cement cement consumption


The PL205W comes in 25kg buckets.

Typical properties

physical state Concentrated slurry color dark grey special weight @ 25°C ۱.۳۵ – ۱.۴۵ pH ۵.۰ – ۷.۰ chloride ion no * The mentioned data are obtained based on the latest controlled laboratory tests.


Although no specific standard has been defined for this product, this product can be evaluated based on the following standards. ASTM C 494, EN 934, ISIRI 2930

application guidline

The recommended dose of this product is 2 to 5% by weight of cement. It is possible to change the consumption dose from the specified range for projects with special workshop conditions, only with the permission of Partak concrete technology experts.


The best way to use it is to add PL 205W after all the concrete components have been added, ie when the concrete is completely produced, the mix is complete and the concrete is in a pasty state. It is better to add this product to the mixture at the project site. Avoid adding material directly to cement and dry materials. PL205W is compatible with all types of Portland cement and slag. in the case of using some additives, be sure to contact Partak Concrete Technology.

storage and shelf life

partoGEL 205W is maintaned in closed packaging and away from direct rays of sun and ice situation. in the case of above situation, the useful life of the product is 12 months from the date of production.

health and safety

there is not need for special actions but for observing safty actions, it is better to use protection gloves and eye glasses. In case of direct contact with skin or eyes, rinse immediately with water and see a doctor. Please refer to the Safety Data Sheet (MSDS).

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