Home > Products > Construction & Real Estate > Concrete (1511)

Related Searches: concrete admixture/superplasticizer lightweight concrete concrete saw concrete admixture

Sodium Naphthalene Sulfonate Formaldehyde Concrete Additives

Brand Name:	MUHU
Place of Origin:	China

Payment Terms:	L/C,T/T

Verified by ZD Info.

Product Details

FDN is a high range water reducer , commonly referred to as a superplasticizer. FDN is an anion surface active agent based on po

Parameters & Acceptance Criteria(Sodium salt of polynaphthalene sulfonic acid)

Parameters	Criteria	Actual results
Solid Content	92% min	93.38%
Moisture, %	<= 8.0	7.1
Fineness	5.0% max	0.54%
PH value	8 - 10	8.62
Sodium Sulfate Content	5.0% max	3.60%
Chlorides Content	2.0% max	0.21%
Surface Tension	68-72 Mn/m	71
Cement Flowing Rate	240mm min	265mm
Concrete Reducing Water Rate	20% min	21.50%
Steel-bar Corrosion	None	None

Major Specifications (Compared to untreated concrete)

Testing Item		China National Standard (superior product)	Product specifications
Testing Item		China National Standard (superior product)	Addition rate at 0.5%	Addition rate at 0.75%
Water reducing rate (%)>=		12	14	18
Ratio of bleeding rate(%) <		90	40	40
Air content (%)<=		3	2	2.5
Difference in setting time (Min)	Initial	-90 - +120	-30 - +60	-30 - +60
Difference in setting time (Min)	Final	-90 - +120	-30 - +60	-30 -+60
Ratio of compressive strength, %	1 Day	140	150	170
	3 Days	130	140	155
	7 Days	125	140	140
	28 Days	120	120	130
Ratio of shrinkage (28 Days) % <=		135	120	120
Steel bar corrosion		No	No	No