formaldehyde and naphthalene compound of high performance water reducer agent stored at ventilated dry place - 5A

The GK-5A is a compound product majored with naphthalene sulfonate formaldehyde condensate which has the function of water reducing,increasing and early strength. It can improve the concretes’ fluidity,enhance the slump loss and mechanical performance, which possesses a favorable adaptability to cement, such as road,bridge,high grade concrete and pre-stress concrete.

Technical instructions

1,Powder additive dosage is 0.7-1.5%,liquid additive dosage is 2-3%,water reducing rate is above 15%.

2,On the condition of no change of cement’s using dosage, the 3d strength of concrete is above140%, 7d is above 130%,28d is above 120%.

3,On the condition of invariant strength, it can save cement 15-20%.

4,With the addition dosage of GK-5A,it will improve the concrete’s workability,chemical performance,resist compression,anti-bend and durability.

5,It possesses a excellent flexibility to cement, such as usual silicate cement and Portland cement.

6,Non-chloride and low alkali, no-corrosive to steel bar.

Employ requirements

1,It should be calculated precisely, rigidly controlling the admixture’s addition dosage.

2,When adopt the powder addition, the blending time should be prolonged 30-60s.

Packaged and storage

1,It is packed by liner plastic woven,25kg per sack.

2,Stored in shadow and dry warehouse, avoiding from humid.

3,The validity is two years, it can be utilized after the concrete’s qualified testing experiment if overdue.