Product name: Naphthalene Sulfonate Formaldehyde water reducer

Other name:Sodium Naphthalene,PNS

CAS:36290-04-7

I.Product General

JY-2202 Superplasticizer is a dry powdered admixture. It is produced through such a process:

1.Sulphonating refined naphthalene with sulfuric acid;

2.Condensing with formaldehyde;

3.Neutralization;

4.Filtering.

It conforms to GB8076-1997 and is mainly used for various high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slipforming concrete etc.

II.Standard Quality Targets:

III.Main technical performances and Targets:(Dosage:C×0.7%)

IV.Technical Performances and Applicable Ranges:

Dosage: 0.5~1.0%( as weight of cement). Water reducing rate:20~30%.

JY-2209 in liquid form.

1.Keep strength unchanged,Use of this product can save cement consumption by 15-20%.

2.When dosage is 0.7%(solid), Slump can be increased by 10cm.

3.The product is suitable for manufacturing high strength concrete, accelerating strength concrete, flowing state concrete, pre-cast concrete and pre-stressed concrete, etc.

4.Compressive strength, bending strength, impermeability and freeze-thaw resistance are remarkably increased.

V.Notices:

1.Before use, mix ratio test must be done,especially for the first time using this product, to find out the correct mix rate and dosage.

2.High grading cement and reasonable sand/stone grading must be used to make high-strength or super high-strength concrete.

3.Water dosage must be strictly controlled to keep mixture unchanged.

4.The mix time should be prolonged for one minute;care should be taken to strengthen wet curing.

5.If used with liquid form , moisture should be deducted from concrete mixture.

VI. Packing ,transportation and storage:

1.Packing:40kg/bag±0.25kg plastic woven bag(Inner with Plastic pellicle) .

Liquid product is packed with big iron drum, 200kgs /drum(net weight).

2.During transportation should be waterproof and rainproof .

3.It shall be stored in a waterproof, rainproof place to avoid agglomeration. If there is agglomeration, smashing or dissolving it will not affect using effect. The product is harmless and does not deteriorate in long terms.

VII. Technical Consultance:

The company has lab equipments and professionals to serve the customers technically. If there is any technical problem on application, welcome inquire and we will try to our best to help the customers solve problem.