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Ⅰ . Product Description:
NZY-SR retarded type water reducer is composed of high performance and high efficiency water reducer and retarded components, slump retention components, as well as other functional components, with high performance of water reducing, slow slump loss and Concrete hydration temperature rise.
NZY-SR can effectively inhibit the concrete early hydration and without affect the later strength, is ideal concrete admixture for high performance concrete, mass concrete and long-distance transport concrete products.
NZY-SR retarded type water reducer has both liquid and solid package.
Ⅱ. Main technical features
(1) A kind of polyhydroxy organic compound, non-toxic, odorless, non-flammable, and free steel-corrosion effect.
(2) Extend setting time, reduce mixing water (5%-30% water saving).
(3) Extend induction period of cement hydration, slow down hydration rate, delay cement hydration exothermic process.
(4) Improve workability, easy to pour and vibrate.
(5) Increase strength, reduce cement content.
chlorine ion content C（%）
The fluidity of cement（mm）
Remark: Base on national standard GB8077-2000《For test method of concrete admixtures homogeneity》
CONCRETE PHYSICAL AND MECHANICAL PERFORMANCE
The factory technical indicators
bleeding rate （%）
Setting time difference（min）
1h slump change value（mm）
compressive strength rate（%）
ratio of shrinkage（%）
Effect on reinforcement corrosion
Remark: Base on national standard GB8076-2008 《Concrete Admixture》
NZY-SR retarder is used in reinforced concrete, prestressed concrete, mass concrete, pump concrete, road concrete, and waterproof concrete construction projects which require extension of setting time.
NZY-SR retarder is suit for concrete construction in summer or hot weather.
NZY-SR retarder can be used in slip-form concrete construction.
NZY-SR retarder can be used as supplementary materials for produce or remix other concrete admixtures.
Ⅳ. Packaging, transport and storage
(1) Powder retarder is available in 25±0.25kg film-lined bags. Liquid t retarder is available in sealed 200kg or 1000kg bucket. Other special package can also be available according to prior consultation.
(2) Special measures should be taken to ensure entire package. Keep waterproof during transportation.
(3) Dry and well ventilated warehouse is needed for storage. Quality guarantee of retarder is two years under normal conditions. If storage has surpassed the time, test must be done to confirm the validity.
Ⅴ. Health and safety
(1) Once splashed into eyes and skin, wash immediately with plenty of water and seek medical treatment.
(2) Inedible. When eating by mistake, drink sufficient water to urge to vomiting, and then go to hospital.
(3) No littering. Caution should be taken to protect environment.
Ⅵ. Customer services
Data in this manual is only for reference. Technical data about dosage and mix proportion is available if necessary. Professional services in site are also available. More information needed, please direct all inquiries to company.
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