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The South African cement and concrete industry is facing multiple challenges. Hydroxy Propyl Methyl Cellulose is an important material for concrete.

2024-01-08 08:56:36  Blog

South Africa's cement and concrete industry faces multiple challenges and threats, including economic recession, cheap imports, rising input costs, construction sabotage activities and a construction industry crisis caused by a lack of major projects, according to a recent report by the South African Money Bag website.

The large-scale infrastructure spending planned by the South African government to kick-start economic recovery after the COVID-19 pandemic has largely failed to materialize, putting approximately 35,000 local jobs and billions of investments in the cement industry value chain at risk.

Industry insiders said South Africa's local cement production capacity is about 20 million tons. Still, the industry's current output is only 12 million tons, while South Africa's annual cement imports exceed 1 million tons, equivalent to the output of the entire cement plant.

Affected by the global pandemic and the slowdown in infrastructure construction in South Africa, more measures must be taken to ensure the industry's sustainability.

Introduction to HPMC

Hydroxypropyl methylcellulose is a multifunctional compound with the following properties:

1. Solubility: Hydroxypropyl methylcellulose has good solubility in water and forms a transparent solution.

2. Stability: It has high heat, light, and chemical stability and has a long shelf life.

3. Interface activity: Hydroxypropyl methylcellulose has a certain surface tension reduction effect and can thicken, emulsify and stabilize emulsions.

Hydroxypropyl methylcellulose 

The role of HPMC in concrete

Increase the strength of concrete

HPMC can form a certain network structure in concrete to increase its strength and durability. It can fill micropores and cracks in concrete and prevent concrete from cracking and damage. At the same time, HPMC can also promote the hydration reaction of cement particles in concrete and increase the strength and hardness of concrete.

Improve the durability of concrete

HPMC can prevent concrete cracking and damage and improve concrete's durability. It can fill micropores and cracks in concrete, prevent the penetration of moisture and oxygen, and reduce the corrosion and aging of concrete. At the same time, HPMC can also reduce shrinkage and deformation in concrete and maintain the stability and durability of concrete.

Improve the fluidity of concrete

HPMC can increase the viscosity of concrete and improve its fluidity. It can make concrete easier to construct and shape, reducing delamination and bubbles. At the same time, HPMC can also reduce water loss in concrete and maintain the humidity and fluidity of concrete.

Improve the crack resistance of concrete

HPMC can fill micropores and cracks in concrete and improve the crack resistance of concrete. It prevents concrete cracking and damage, reducing concrete repairs and replacements. At the same time, HPMC can also reduce shrinkage and deformation in concrete and maintain concrete's stability and crack resistance.


TRUNNANO is a supplier of HPMC Powder, which is concrete and relative products with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high quality HPMC Hydroxypropyl Methyl Cellulose, please feel free to contact us and send an inquiry. (


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  • Luoyang Tongrun Info Technology Co., Ltd. ( is the world's leading nanomaterial technology developer and application manufacturer, the company has more than 20 years of industry experience, after years of scientific research and production, has been professionals in lightweight concrete and foam concrete solutions. We can supply concrete foaming agents, superplasticizers, aerogels and foam concrete strength enhancers for lightweight concrete mix, CLC blocks all over the world, suitable for ordinary cement foamed concrete cast-in-place, block, plate, insulation wall, etc.