Best Repair Mortar For Concrete From China Manufacturer YUNYAN Company

  • Product Introduction
Posted by GUANGDONG YUNYAN SPECIAL CEMENT BUILDING MATERIALS CO.,LTD On Sep 11 2025

YUNYANMIX repair mortar is a kind of polymer mortar manufactured by YUNYAN company, YUNYANMIX is a well branded one of Top 10 for repair mortar and new building chemicals in China, for a best supplier and wholesaler of new building chemicals please go through: http://www.yunyanchina.com

Product Features:

1. High quality polymer modified mortar with special additives

2. Good crack resistant performance

3. Chloride and carbonation resistance.

4. Water resistance to reduce water or moisture movement.

5. Eco friendly and user friendly.

Scope of Application

1.Repair for spalling concrete elements caused by corrosion

2.Patch up repair for general concrete defects such as voids and honeycombing

3.Structural or cosmetic repair for vertical and overhead applications.

4.Reinstate defective concrete and protect the embedded steel reinforcement .

The mortar can be applied up to 50mm thick as a single layer for vertical applications.

The mortar can be applied up to 30mm thick as a single layer for overhead applications.

Usage: 1.5kg/mm/m2

Construction: By scrape or plastering

Technical Data:

YY-719A (C25)

Status

Single component

Color

Grey

Max. Aggregate size

2.0mm

Construction

By scrape or plastering

Water demand

Aaa Approx. 25%

20% water for gloved hand

25% water for troweling

Density

1.1kg/L (dry)

1.8kg/L(wet) for 18% water

Pot life

Approx. 1 hour

Thickness

10-40mm

Theoretical consumption

Approx. 23kg/m2 for 15mm thickness

Approx. 1.1m2/25kg bag for 15mm thickness

Compressive strength 7d Mpa

>18

Compressive strength 28d Mpa

>30

Flexural strength 7d Mpa

>4.2

Flexural strength 28d Mpa

>7.2

Tensile strength 7d Mpa

>2.0

Tensile strength 28d Mpa

>3.0

Elastic modulus

9-15Gpa

Bond strength 7d Mpa

>1.5

Bond strength 28d Mpa

>2.0

Shrinkage-- Coutinho ring

Nil

Figg air permeability

>180sec

Shelf life

12 months

Condition on site

5-40℃

YY-719B (C40)

Status

Single component

Color

Grey

Max. Aggregate size

2.0mm

Construction

By scrape or plastering

Water demand

Aaa Approx. 25%

20% water for gloved hand

25% water for troweling

Density

1.1kg/L (dry)

1.8kg/L(wet) for 18% water

Pot life

Approx. 1 hour

Thickness

10-40mm

Theoretical consumption

Approx. 23kg/m2 for 15mm thickness

Approx. 1.1m2/25kg bag for 15mm thickness

Compressive strength 28d Mpa

>50

Flexural strength 7d Mpa

>6.0

Flexural strength 28d Mpa

>9.0

Tensile strength 7d Mpa

>3.0

Tensile strength 28d Mpa

>4.0

Elastic modulus

15-25Gpa

Bond strength 7d Mpa

>2.0

Bond strength 28d Mpa

>3.0

Shrinkage-- Coutinho ring

Nil

Figg air permeability

>600sec

Long term shrinkgage

<220μm/m

Shelf life

12 months

Condition on site

5-40℃

Package: 20kg/bag or 25kg/bag, 40 bags or 50 bags in a pallet.

GUIDELINE

It is recommended to wear masks, goggles or protective clothing during stirring and construction.

This product contains cement and may cause allergic reactions.

May be irritating to eyes and skin. In case of accidental contact with eyes, flush with plenty of water and seek medical attention as soon as possible. If you feel uncomfortable in contact with your skin, rinse immediately with soap and water.

Keep out of reach of children

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