Jintongbao Technology Group Co. , Ltd.
Expansive Agent

Expansive Agent

JTB- 1003 is a plastic expander.

Type of Plastic expansion agent 

Solid content (%) 98%

Active substance content (%) 90%


This product induces micro-expansion in the material during the plastic stage by forming uniform and dense micropores, preventing shrinkage caused by moisture evaporation. It possesses the following characteristics and advantages.

Product Features

For Production:

Highly adaptable and provides stable storage

For Formulation:

The volume does not shrink after hardening, and it has no adverse effect on the strength.

For Construction:

Product is odorless, safe, and environmentally friendly.

Applications Scenarios

This product is suitable for various cement-based grouting, mortar and concrete systems, and is especially suitable for building materials used in filling or grouting scenarios, such as grouting agents (materials), grouting materials and various grouting materials.

The recommended dosage of this product in various systems is 0.10~0.50% of the cementitious material. The optimal dosage needs to be determined through testing.

Packaging and Storage

This product is packaged in paper bags, 25kg/bag (larger bags can also be provided upon special requirements).

This product is recommended to be stored in an environment of 0~30℃ and used within 12 months; there is a risk of clumping.

Key Technical Indicators

Appearance:

Yellow powder

Bulk density( kg/ m³ ): 

350 ~ 500

pH value (1% aqueous solution):

7.0 ~ 9.0

24-hour free expansion rate, %: 

2.5

Construction Gallery

JTB are committed to providing customers in all sectors with valuable products and
solutions that offer convenience and efficiency.

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About
Jintongbao Technology Group Co. , Ltd.
Jintongbao Technology Group Co., Ltd. is a service provider of reinforcement system solutions integrating R&D, production, sales and construction. Since its establishment, the company has been deeply engaged in the field of reinforcement.
Currently, it has three large-scale production bases in Zhenjiang, Jiangsu Province, Jinhua, Zhejiang Province, and Dongguan, Guangdong Province, with a total production capacity of over 500,000 tons. Among them, the factory in Zhenjiang, Jiangsu Province, holds an important position in the company's production system. The factory covers a vast area and has standardized, modern production facilities. The large-scale production layout enables it to have a strong capacity reserve, and its annual production capacity ranks among the top in the company's three major production bases. This enables the Zhenjiang factory to achieve large-scale, continuous production of grouting materials and other products and to respond quickly to large-scale supply demands. Meanwhile, we have a sales network covering the whole country as well as some countries and regions in Southeast Asia. We can ensure the convenience and efficiency of providing valuable products and solutions for customers in various fields, such as urban renewal, airports, Bridges and tunnels, waterproofing and anti-corrosion, wind power and nuclear power, etc.
Our company has always adhered to taking technological innovation as its core competitiveness and attaches great importance to and supports technological innovation.  Our R&D center is equipped with advanced experimental equipment and R&D tools, providing a solid hardware foundation for innovative work. Meanwhile, the R&D center boasts a high-level R&D team. As an industry benchmark leader, we attach great importance to industry innovation and were the 1st to propose the concept of "from reinforcement to pre-reinforcement". Actively leverage its industry experience and technological advantages to assist in the formulation and introduction of new standards, enabling it to better serve the industry and promote its healthy and sound development.
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