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What is the difference between polymer cement mortar and ordinary cement mortar

- Feb 09, 2018 -

What is the difference between polymer cement mortar and ordinary cement mortar?

There is a difference between polymer mortar and ordinary mortar in composition:

Ordinary mortar: cementing material with cement or stone plaster.

Polymer mortar: a mixture of gelatinous materials, aggregates and organic polymers that can be dispersed in water. Its main components are:

1. Cementing materials: cement, gypsum, etc.

2. Aggregate: sandstone, quartz sand, glass microbeads and zz rock.

3. Polymer: such as disperse latex powder; Acrylate, polyvinyl alcohol, styrene-acrylate and other additives.

Road patching is a kind of multistage polymer material. It is mainly used for concrete road surface defects and reinforced concrete mortar, with high compressive strength, high adhesion to old ground, crack resistance and water repellency.

Technical performance:

Can be built in wet base and wet environment, can be under the condition of not discontinued to carry out local emergency repair.

Scope of application:

Concrete road mask face layer leveling and repair.

Cement concrete road surface, air drum, peeling, starting sand, peeling, crack, dew, peeling, pebbles repair.

Site conditions:

Within one week after construction process and construction environment temperature should be kept within 5 ℃ to 30 ℃, the temperature is too low will lead to insufficient strength, high temperature accelerated cement coagulation effect of construction effect.

Usage:

Base surface requirements: must be hard, no loose fragile particles, dust, no dirt. The oil or waxy layer and the slurry layer must be thoroughly removed.

Stir: pour the water into the appropriate mixing vessel. Stir and add the powder. Stir 3min with a low speed electric mixer (500 RPM) to avoid introducing air. The required construction consistency can be obtained by adding powder in proportion.

Dosage standard: 1.9-2.2 kg/mm powder dosage, the amount of material depends on the concrete surface and construction method.

Mixing ratio: water-cement ratio is 13% to 15%.

Curing: after pressing light treatment, spray the surface of water for 3 to 5 hours, after curing for 2 times, no longer curing.


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