Chongqing Dahua Concrete Additives Sci-tech Development Co., Ltd.

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1. NNO Superplasticizer

DH NNO superplasticizer is a dry powdered additive. It is produced through such a process: 1)sulphonating refined naphthalene with sulfuric acid, 2)condensing with formaldehyde, 3)neutralization, and 4)filtering. It is mainly used for various ...

2. DH Microexpansion Additive

DH microexpansion additive is a high-efficiency concrete additive boasing anti-cracking, anti-seepage and waterproofing features. It is effective economically and technologically when used for self-waterproofing of concrete structure, seamless ...

3. DH NNO Setretarder Superplasticizer

DH NNO setretarder superplasticizer is a concrete additive compounded of naphthalene series superplasticizer, aliphatic superplasticizer, amino superplasiticizer and setretarder. It can be used for on-site pumping concrete, mass concrete, road ...

4. DH NNO Dedicated Bridge Concrete Additive

DH-NNO dedicated bridge concrete additive is a new high performance additive that is specially used for T-beam, arch beam, box beam and plate beam. It is compounded of various superplasticizers such as naphthalene series, amino sulfonate, acrylic ...