Company information and product introduction of concrete additives
Company information and product description of concrete additives
Shanghai high-speed rail chemical building materials Co., Ltd. is a company mainly engaged in the research, development, production and sales of concrete additives; A high-tech enterprise providing related technical consultation and after-sales service has a production base of 10000 square meters in Shanghai Jinshan Chemical Industry Park and a product research and development center in Fudan University.
Shanghai high-speed rail chemical building materials Co., Ltd. is a company engaged in the development, production and sales of concrete additives; And provide technical consultation and after-sales service for high-tech enterprises. It has a chemical production base of 1 10,000 square meters in Jinshan District, Shanghai, and a product research and development center in Fudan University.
In 2006, the company cooperated with Fudan University and successfully developed a series of polycarboxylate superplasticizers. At present, polycarboxylate superplasticizers include solid powder products and liquid products with solid content of 20% and 40%. The production capacity is 30,000 tons/year, which can meet the needs of various construction projects. The product has good stability, and all quality indicators have reached the leading level of similar products in the world. With advanced equipment, scientific management, excellent R&D team and good reputation, Shanghai High Speed Rail Chemical Building Materials Company will quickly spread all over the country and become a dazzling star in the chemical building materials market.
In 2006, we successfully developed a series of polycarboxylate superplasticizer products in cooperation with Fudan University. At present, polycarboxylate superplasticizer has 20% solid powder and 40% solid product and liquid product. The annual production capacity of 30,000 tons can meet the needs of various types of buildings, and the products are stable and meet the international quality standards of similar products, which is the leading standard. With advanced equipment and scientific management, excellent R&D team and excellent reputation, Shanghai High-speed Railway Company's chemical building materials will quickly become a dazzling star in the national chemical building materials market.
The company passed ISO9000 quality system certification and ISO 14000 environmental system certification, and established a perfect quality management system and environmental management system to ensure high-quality and stable product quality and clean production. We will also follow the principle of * * * win-win with customers to provide customers with quality after-sales service.
The company has passed iso 9000 quality system certification and iso 14000 environmental certification. Establish a sound quality management. Otolaryngology system and environmental management system to ensure quality and stable product quality and clean production. We will follow the tenet and provide high-quality after-sales service to win customers.
Second, the characteristics of polycarboxylic acid water reducer
Second, the characteristics of polycarboxylic acid water reducer
The development of water reducer can be divided into three stages: the first generation water reducer represented by lignosulfonate, the second generation high efficiency water reducer represented by naphthalene series and the third generation high performance water reducer represented by polycarboxylate. Compared with the second generation water reducer such as naphthalene series, the performance and quality of the third generation polycarboxylic water reducer have been improved qualitatively, which can basically meet the performance requirements of high performance concrete for water reducer. This kind of products basically have the technical performance advantages and economic conditions to replace naphthalene series water reducer. The advantages of polycarboxylic acid water reducer are as follows:
The development of superplasticizer can be divided into three stages: the first generation of calcium superplasticizer represented by wood. As the main representative of the second generation water reducer and the third generation water reducer represented by polycarboxylate at present. Compared with other second-generation and third-generation polycarboxylic superplasticizers, naphthalene superplasticizers have improved performance and quality. Superplasticizer meeting the basic performance requirements of high performance concrete. Naphthalene series products have technical performance advantages and economic conditions to replace superplasticizer. The advantages of polycarboxylic acid water reducer are as follows:
1, early strength and high strength: the early strength is improved by more than 70%, and the 28-day strength is improved by more than 40%, which is especially suitable for high content fly ash concrete;
Translation: 1, early strength early strength: 70%, more than 40% after 28 days of strength. Especially suitable for concrete with large amount of fly ash;
2. Low slump loss: according to the pumping agent standard, the slump loss of 1 hour is less than 30mm；;
Low slump loss by pumping: standard test, slump loss in one hour is less than 30mm;
3. High durability: this product can effectively reduce the water-binder ratio of concrete, improve durability and reduce shrinkage and creep deformation;
Translation: 3. High durability concrete can effectively reduce water cement ratio, improve durability and reduce shrinkage and creep deformation;
4. High water reduction rate: when the slump is about 80mm, the water reduction rate is above 25%; When the slump is about 200 mm, the water reduction rate is above 33%;
4. When the slump in high water cut stage is about 80mm, the water reduction rate is above 25%. When the slump is about 200 mm, the water reduction rate exceeds 33%;
5. Low dosage and low cost: the usual dosage is 0.5 ~1.2% of the cementing material;
Translation: 5, a small amount of low price: general content 0.5 ~1.2%; cementing material
6. Environmental protection product: This product does not pollute the natural environment in the production process, and meets the international standard of ISO 14000 environmental protection management.
Green products: the production process will not produce polarization of the natural environment. Comply with ISO 14000 international environmental management standards.
Three. product description
III. Product Description
1, GTS- 10 1 (20%) polycarboxylate water reducer for concrete.
Translation: 1, 10 1ml (20%) concrete polycarboxylate water reducer.
physicochemical properties
physicochemical property
Product appearance and performance: pale yellow clear and transparent solution, non-toxic, tasteless and non-flammable; No crystallization after long-term storage.
Appearance properties of products: light yellow clear and transparent solution, non-toxic, non-flammable; Long-term storage does not crystallize.
Cement slurry performance
Performance of cement slurry
In the case of low dosage, it has a good dispersion effect on cement. Test methods refer to GB/T8077-2000.
In the case of low cement volume, there is a good dispersion.gb/t8077-2000 reference test method.
Cement mortar performance
Cement mortar
The water reduction rate changes rapidly with the increase of dosage, and the water reduction rate reaches more than 30%.
With the decrease of water consumption, the increase of water fee changes rapidly, and the water fee decreases by more than 30%.
Concrete performance
Translation: concrete
Mix proportion of concrete: No.65438 +0 sample as the benchmark (blank); Sample No.2 was added with 0.8% GTS- 10 1.
Mix proportion of concrete: add No.2 GTS-10/0.8% to the baseline (blank) of 1st sample.
(1) compressive strength (comparison between 1 and No.2)
Translation: (1) compressive strength (1 compare with 2)
(2) The No.2 sample is about 60 minutes longer than the reference sample 1, and the final setting time is basically the same as that of the sample 1, with low bleeding rate, shrinkage rate and gas content.
(2) Sample No.2 is 60 minutes longer than the basal period of 1st, and the basal period of 1st is the same, with low bleeding rate, gas content and contraction rate.
Packaging and transportation
Translation: packaging and transportation
200kg iron drum, 1000kg plastic drum or packed according to user's requirements, and stored indoors in a cool and ventilated place for half a year.
200kg metal container, plastic bucket or 1000kg package shall be stored in a cool room for exploration, and the storage period shall be six months.
2.GTS- 102 (40%) Polycarboxylic acid water reducer for concrete.
2. GTS- 102 (40%) Polycarboxylic acid water reducer for concrete
physicochemical properties
physicochemical property
Product appearance and properties: brown or reddish brown liquid, non-toxic, tasteless, non-flammable; No crystallization after long-term storage.
Appearance properties of products: invisible brown or brown liquid, non-toxic, tasteless and non-flammable; Long-term storage does not crystallize.
Concrete performance
Translation: concrete
The test method is the same as GTS- 10 1 (20%) (based on the same solid content, the dosage is about half of 20%).
The test method is the same as GTS- 10 1 (20%) (the solids are packed in the same package, and the half amount is about 20%).
Packaging and transportation
Translation: packaging and transportation
200kg iron drum, 1000kg plastic drum or packed according to user's requirements, and stored indoors in a cool and ventilated place for half a year.
200kg metal container, plastic bucket or 1000kg package shall be stored in a cool room for exploration, and the storage period shall be six months.
3.GTS- 103 Polycarboxylic acid water reducer for (powdery) concrete.
3 103ml (powder) polycarboxylate superplasticizer
physicochemical properties
physicochemical property
Product appearance and characteristics:
Natural product appearance:
White yellowish powder, nontoxic, tasteless and nonflammable; No crystallization after long-term storage.
Evening primrose powder is white, non-toxic, exotic and non-flammable; Long-term storage does not crystallize.
This product is a polycarboxylate powder product with water content less than 3%, bulk density of about 600 kg/t, light yellow powdery solid, easily soluble in water, and pH value of 20% aqueous solution is about 9.0.
The polycarboxylate powder product of this taste has a water content of less than 3% and a density of about 600 kg/ton. Pale yellow powdery solid, soluble in water, and the pH value of 20% aqueous solution is 9.0%.
Packaging and transportation
Translation: packaging and transportation
25kg iron drum, 50kg plastic drum or packed according to users' needs, and stored indoors in a cool and ventilated place for half a year.
S. iron, 50 kg must be packed in plastic or required by users, and stored in a cool room for exploration. The storage period is six months.
Water reducing rate of cement paste performance
Reduce the water consumption of cement paste performance.
Company information and product description of concrete additives
Shanghai high-speed rail chemical building materials Co., Ltd. is a company mainly engaged in the development, production and sales of concrete additives; And provide technical consultation and after-sales service for high-tech enterprises. It has a chemical production base of 1 10,000 square meters in Jinshan District, Shanghai, and a product research and development center in Fudan University. In 2006, we successfully developed a series of polycarboxylate superplasticizer products in cooperation with Fudan University. At present, polycarboxylate superplasticizer has 20% solid powder and 40% solid product and liquid product. The annual production capacity of 30,000 tons can meet the needs of various types of buildings, and the products are stable and meet the international quality standards of similar products, which is the leading standard. With advanced equipment and scientific management, excellent R&D team and good reputation, Shanghai High-speed Railway Company's chemical building materials will quickly become a dazzling star in the national chemical building materials market. The company has passed ISO9000 quality system certification and ISO 14000 environmental certification. Establish a perfect quality management system and environmental management system to ensure the stability of product quality and cleaner production quality. We will provide high-quality after-sales service to win customers in good faith.
Second, the characteristics of polycarboxylic acid water reducer
The development of superplasticizer can be divided into three stages: the first generation of calcium superplasticizer represented by wood. The second generation superplasticizer represented by naphthalene series and the third generation superplasticizer represented by polycarboxylate at this stage. Compared with other second-generation and third-generation polycarboxylic superplasticizers, naphthalene superplasticizers have improved performance and quality. Superplasticizer meeting the basic performance requirements of high performance concrete. Naphthalene series products have technical performance advantages and economic conditions to replace superplasticizer. The advantages of polycarboxylic acid water reducer are as follows:
1: early strength and early strength: 70%, and more than 40% after 28 days. Especially suitable for concrete with large amount of fly ash;
2. Low slump loss by pumping: standard test, slump loss in one hour is less than 30 mm.
3. Concrete has high durability, which can effectively reduce water cement ratio, improve durability and reduce shrinkage and creep deformation;
4. When the water content is high, the slump is about 80mm, and the water reduction rate is above 25%. When the slump is about 200mm, the water reduction rate exceeds 33%;
5. Small quantity and low price: usually 0.5 ~1.2%; cementing material
6. Green products: The production process will not pollute the natural environment. Comply with ISO 14000 international environmental management standards.
III. Product Description
1:101ml (20%) concrete polycarboxylic acid water reducer
physicochemical property
Appearance properties of products: pale yellow clear and transparent solution, non-toxic, tasteless and non-flammable; Long-term storage does not crystallize.
Cement slurry performance
In the case of low volume, cement has good dispersibility. GB/T8077-2000 reference test method
cement mortar
With the decrease of water consumption, the increase of water fee changes rapidly, and the water fee decreases by more than 30%.
specific
Mix proportion of concrete: add No.2 GTS- 10 1 0.8% to the baseline of 1st sample (blank sample).
(1) compressive strength (1 compare with 2)
(2) The bleeding rate, air content and contraction rate of No.2 seed were lower than that of 1st base period for 60 minutes, and 1st was set at the same time.
Packaging and transportation
200kg metal container, plastic bucket or 1000kg packaging required by users shall be stored in a ventilated and cool room for six months.
2. GTS- 102 (40%) Polycarboxylic acid water reducer for concrete
physicochemical property
Appearance of natural products: brown or brown liquid, non-toxic, tasteless and non-flammable; Long-term storage does not crystallize.
specific
The test method is the same as GTS- 10 1 (20%) (the solid is packed in the same package, and the half quantity is about 20%).
Packaging and transportation
200kg metal container, plastic bucket or 1000kg packaging required by users shall be stored in a ventilated and cool room for six months.
3. 103 ml (powder) polycarboxylate superplasticizer
physicochemical property
Natural product appearance:
Evening primrose is a white powdery object, which is nontoxic, tasteless and nonflammable. Long-term storage does not crystallize.
This product is a polycarboxylate powder product with water content less than 3% and density around 600 kg/t. Pale yellow powdery solid, soluble in water, and the pH value of 20% aqueous solution is 9.0%.
Packaging and transportation
South Railway, 50 kg must be packed in plastic or stored in a cool and ventilated room for six months.
Reduce the water consumption of cement paste performance