GK-4A Retarder concrete admixture with high efficiency naphthalene based superplasticizer - 4A
| Place of Origin: Sichuan China (Mainland) | Brand Name: GK | Model Number: 4A | water reducing ratio: >12% |
| Dosage: powder 0.7-1.5% |
GK-4A Retarding high efficiency water reducer
GK-4A’s main material is naphthalene high efficiency water reducer, as well as compounded from retarding agent, plasticizing agent and some other surfactants. Its advantages are: high ratio of water reducing, long working time, and good plasticizing performance. It meets special demands of projects, needing to slow the concrete setting time: such as vast volume of concrete, roller compacted concrete and construction in high temperature.
| Basic mechanical design feature |
| a: the powder of this product is 0.7-1.5%,the liquid dosage is 2-3%, water reducing ratio ≥12% b: concrete with this product can prolong its setting time 8-10 hour under 30°C c: with this product, the strength of concrete increased obviously:7d≥130%, 28d≥120% d: good adaptability ; ameliorating the concrete workability, enhancing the concrete anti-permeability, anti-freezing and durability. e: slow down the hydration and hardening process of cement; reducing heat of hydration and temperature stress; effectively avoid concrete crack. f: chlorine free, low alkali, well adapt to different cements |
| Tips |
| a: adding this agent and cement into mixer at the same time and prolonging the mixing time 30-60s b: doing matching experiment if cement as regulator of anhydrite and industrial waste c: weighting exactly before using |
| Package, storage |
| a: woven bag lined with plastic film packaging, 25kg/bag b: avoiding got damp, keeping in cool, dry ventilated storage, c: validity: 2 years, still using after concrete test |
| Packaging Detail:woven bag with plastic film packaging, 25kg/bag |
| Delivery Detail:within 1 month |
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