Hydroxypropyl methylcellulose is a water-soluble polymer compound, also known as water-soluble resin or water-soluble polymer. It is a hydrophilic polymer material that increases the consistency of the mixture by increasing the viscosity of the mixed water . Water can be dissolved to form a solution or dispersion. Experiments show that when the amount of naphthalene-based superplasticizer is increased, the addition of superplasticizer will reduce the dispersion of fresh cement mortar.
This is because the naphthalene-based superplasticizer is a surfactant.
1. The addition of HPMC has a significant blocking effect on the mortar mixture. As the HPMC content increases, the setting time of the mortar increases. Under the same HPMC dosage, underwater forming mortar is better than air. Molding takes longer to set. Special signs are good for underwater concrete pumping.
2. The cement mortar mixed with hydroxypropyl methylcellulose has good cohesive properties.
3. The amount of HPMC and mortar water consumption showed a significant increase after the first decrease.
Technical specifications
| Methoxy |
28-30% |
| Hydroxypropyl |
7-12% |
| Gel temperature |
65-75ºC |
| Moisture |
≤5% |
| Ash |
≤1% |
| PH |
5.0-8.5 |
Environmental impact
Avoid arbitrary dusting and air pollution caused by flying dust.
Physical and chemical hazards: Avoid contact with fire sources, and avoid the formation of large amounts of dust in a closed environment to prevent explosive hazards.
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