Beijing Jiankai Concrete Admixture Co., Ltd.

China Manufacturer with main products: Concrete Admixture, Naphthalene Concrete Admixture, Polycarboxylate Superplasticizer, Concrete Additive

Home  >Products Catalog > Naphthalene-based > High Range Water Reducing Accelerator (JK-09NP)

High Range Water Reducing Accelerator (JK-09NP)

Supply Ability: 200,000 Ton per Year
Shipping: 10 days

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Place of Origin: Beijing in China
Packaging Details: Woven plastic bags with film liner.

Specifications

Description
JK-09 NP is naphthalene-based non-chloride set-accelerating water-reducing admixture, it significantly accelerates setting time, and reduces the quantity of mixing water necessary to produce concrete of a given consistency, while providing greater economy for a given strength. It increases strengths and significantly improves permeability, workability and finishing characteristics. It complies with GB 8076-2008, GB50119-2003 and ASTM C494, Type E.
 
Uses
1.        This product is designed for the constructions requiring earlier strength for normal concrete, steel-reinforced concrete, and pre-stress concrete under normal temperature, low temperature (-5 to 30 degrees).
2.        Widely used in pre-cast & deposit concrete, armored concrete, pre-stressed reinforced concrete and fly-ash-cement concrete. Compatible with Portland cement, normal Portland cement, Portland slag cement, fly-ash cement and Portland pozzolanic cement etc.
3.        Suitable for self-cured concrete and its formulations. It has remarkable effects of water reduction and enhancement, especially at the early stage. The modulus and site utilization can be improved.
 
Advantages
1.        Accelerating setting time across a wide range of temperatures. Increasing early and ultimate compressive and flexural strengths.
2.        Water reducing 10 to15% with low dosage of 1.5 to2.5%
3.        After application, all physical properties of concrete can be improved to a certain extent.
4.        10% to15% of cement will be reserved when it is applied as a condition of blending in which collapsibility and strength are fixed forehand.
 
Specifications
Item
Norm
Item
Norm
Appearance
Gray powder
PH value
7-9
Fineness (0.315mm remains) %
≤12%
Chlorine content
Non
Moisture
≤10%
Fluidity of cement
160mm
 
Technical Data Sheet
Item
Actual results
Criteria
Water-reducing rate (%)
≥12
≥8
Bleeding rate ratio (%)
≤90
≤95
Air content (%)
≤2.5
≤4.0
Setting time difference (min)
Initial setting
-30~+30
-90~+90
Final setting
-30~+30
-90~+90
Compressive strength ratio (%)≥
1 day
145
135
3 days
140
130
7 days
120
110
28 days
110
100
Shrinkage ratio (%)
28 days
≤120
≤135
Corrosion reinforcing steel bar
Non
 
 
 
Package, Storage & Shelf Life
 
For powder: Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg.
 
It should be stored in a dedicated warehouse that is well-ventilated and dry and keep away from moisture.
 
Shelf Life: Minimum 12 months. After the expiration date, it can be used if testing results is qualified.
 
 
 

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