• Corrosion Inhibitor   for concretre System 1
Corrosion Inhibitor   for concretre

Corrosion Inhibitor for concretre

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
10 kg
Supply Capability:
200 kg/month

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Description
NZY-RI is a high effective corrosion inhibitor for concrete reinforced construction. NZY-RI prevents or delays corrosion process towards reinforced steel, so as to extend reinforced concrete life span. It complies with YB/T9231-98 < Reinforced Concrete Corrosion Inhibitor Standard>.

Application range
NZY-RI is applied in chloride-based corrosion environment constructions, such as maritime and coastal works, and other constructions which containing chloride.
Properties

Items

Specifications

Air Content, %

≤4

Ratio of Bleeding Rate, %

≤100

Setting Time Difference (initial and final), min

-90 +120

Compressive Strength, %

≥100

28 days Shrinkage Rate, %

≤135

 

 

Properties

Test Items

Standard Specifications

Actual Test Value

Anti-corrosion performance

1. Salt solution immersion test

Non-corrosion electric potential, 0 ~ 250mV

Non-corrosion electric potential, -179mV

2. Wet & dry/cold & hot circulation test (60 times)

Non-corrosion

Non-corrosion

3. Electric chemistry displacement test

Standard

Standard

Effect to concrete property

1. Compressive strength

Invariable

125%( compare with reference sample)

2. Anti-seepage performance

Invariable

110%( compare with reference sample)

3. Initial setting time, min

-60-+120 (compare with reference sample)

-50 (compare with reference sample)

 

Features and Benefits
1. NZY-RI can prevent and delay the electric chemical process of the reinforced steel bar to extend the reinforced concrete service life.
2. Test should be taken before mixing with air entraining admixture. When temperature is higher than 25
, it has accelerating, rapid setting effect and also slump loss effect.
3. NZY-RI has water reducing effect while keeps flowability.
Dosage and Usage
1. Recommended addition rate: C ×3.0%, say 100kg cement with 3 kg of NZY-RI.
2. (1). While applied in moderately corrosive environment, such as industrial and civil constructions and bridges, the recommended addition rate is 4 ~ 8 kg/m3.  (2). While applied in heavy corrosive environment, such as maritime and coastal constructions, the recommended addition rate is 8 ~ 12kg/m3.
3. Regarding to the mixing procedure, first mix NZY-RI, cement and aggregate with mixer, than add water into it. The mixing time can be prolonged properly to ensure homogeneity.
4. Do test before adding any other admixture into the concrete, so as to make sure whether the concrete is adoptable or not, air-entraining water reducing admixture is not allowed to be added. 
Package, Storage & Handling
1.NZY-RI is packed in woven fabric bag with plastic liner. Net weight: 40kg +/- 0.13 kg.
2.It should be stored in a dedicated warehouse which is well-ventilated and dry, away from flammable and combustible items, especially open flames. The shelf life is one year.

3.Cautions should be taken to prevent packages from being torn by sharp-ended objects while being transferred or delivered. When being contaminated by high humidity or moisture in case of leakage, it can be prepared in prescribed ways for further use without surrendering any effect.

 

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