Conplast WP421 General purpose integral waterproofing for concrete Uses To waterproof concrete such as structural and precast concrete, renderings, screeds and granolithic toppings. Ideal to be used for basements, swimming pools, concrete roof, ground tank, reservoir, etc. Advantages Watertight minimize water penetration into concrete. Increase compressive strength. The water reducing properties of Conplast WP421 enables higher compressive strengths to be obtained in concrete at the same workability. Increase plasticity easier workability Easy to use Integral - not a membrane or surface film and its properties maintained when the surface damages. Chloride free Description Conplast WP421 is a brown liquid material instantly dispersible in water that is added to concrete to inhibit the passage of water, contains a non-air entraining plasticizer to assist optimum compaction, and selected antifoam agent to reduce the water penetration. Recommended Mix Proportion Cement minimum: 350 kg/m3 Water cement ratio maximum: 0.45 Initial Slump: 80 20mm Conplast WP421 dosage: 1.5-2 ltr/m3 Final Slump: 140 - 200 mm For further information about the products supply and apply please call or WhatsApp to 085100429888 or visit our website at www.crp.co.id