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Concrete Accelerating Powder Agent

Brand : DONGKE

Product origin : CHINA

Delivery time : 5 DAYS

Supply capacity : 1500 MT/MONTH

General Description

Concrete Accelerating Powder Agent (DK-301) is mainly used in concrete constructions,such as the rush repairmen in the constructions of water resistance,anti-permeation,stop-leaking It can coagulate concrete fast,improve the early strength largely, small deformation of concrete shrinkage small spray anchor springback is also the feature.

Specifications (stard: JC477-2005)

Items

Stard

Unit

Result

Powder Type

No Alkali&No Chloride type

Setting time

initial setting

First class≤3:00

Qualified≤5:00

Min:s

1:34

2:15

final setting

First class≤8:00 Qualified≤12:00

3:32

6:30

Compressive strength

1d

First class≥7.0 Qualified≥6.5

MPa

7.1

6.5

Compressive strength Ratio

28d

First class≥75

Qualified≥70


77

73

Finess

First class≤15 Qualified≤15


13

/

Water Content

First class≤Qualified≤2


0.6

/

Alkali Content

/


13.3

0

Chloride Content

/


0.003

0

Types & Mixing Rates

Powder Type:3.0-6.0

No Alkali&No Chloride Type:2.0-7.0

Liquid Type:3.0-6.0

Instructions

The suggested maxing rate is 3.0-6.0 in accordance with cement types,the ratio of water cement molecule, the injection parts,injection process quality requirements.

Fresh high grade cement is needed in shotcrete,the shelf life should be better within a month, 14-40℃ is the best temperature for injection,warm keeping measures should be adopted when the temperature is lower than 10 ℃.

Water cement ratio:the cement type fresh degrees influences the coagulating a lot,please avoid using damp out of dated cement.The cement performs good in accelerating when the water cement ratio≤0.4, it should be added a little more in lower temperature high moisture situation.Water should be deducted for liquid

products, No Alkali&No Chloride Type should reduce the adding of water in 5-15.

Few sediment is allowed,stirring it before using.

Package And Storage

25KGS or 50 KGS per woven bag with film in it.

Please store it in dry ventilated place.

The expiration date is 6 month based on the environment above.



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