Admixture

Admixture Series

GT EVA

Description ​ + -

• GT EVA is an advanced ethylene vinyl acetate liquid admixture for mixing with Ordinary Portland Cement (OPC)

• Designed to improve adhesion in various cementitious applications such as plastering and screeding

GT EVA can enhance the adhesion properties of spatterdash when used as an additive

• Its chemical composition prevents the breakdown caused by exposure to sunlight and heat, making it ideal for both interior and exterior use.

Uses + -

• Enhances bonding of renders, plasters, and floor screeds to a variety of surfaces, such as concrete and masonry

• Strengthens spatterdash applications, providing a firm foundation for subsequent layers

Characteristics & Advantages​ + -

• GT EVA acts as a concrete surface enhancer, ensuring improved bonding strength and durability

• Enhances the adhesion and cohesion of cementitious materials to various substrates, including concrete, masonry, and panel walls

Complied Standards + -

• Hong Kong Standard: HKHA Spec. FIN1.M910.8, FIN1.M920.8

• British Standard: BS 6319

Consumption Calculator + -

1 Bucket Will Cover Approx. 100m2

Technical Data

Chemical Component Ethylene Vinyl Acetate Emulsion
Colour Milk White
Packaging 20 L
Specific Gravity ~1.05 g/cm3
pH Value Approx. 4 – 6
Minimum Application Temperature ~5°C
Shelf Life 12 months
Storage Stored in the original, unopened containers at temperatures between 5 and 40 °C.
Stirring is recommended before use if stored for a long period

Physical Properties​

Bond Coat Slurry Spatterdash
Adhesion To Concrete​ 2.7 N/mm2 2.6 N/mm2
Compressive Strength - 49 N/mm2
Flexural Strength - 10.4 N/mm2

Product Documentations ​

DATE SHEET
Product Sheet

GT Eva Product Sheet

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GT SBR

Description ​ + -

• GT SBR is an advanced styrene butadiene rubber liquid latex admixture for mixing with Ordinary Portland Cement (OPC)

• This unique formulation excels in enhancing bonding adhesion for plastering and screeding on various substrates enhances surface adhesion, ensuring long-lasting bonding for cementitious materials such as mortar and screed

GT SBR can enhance the mechanical properties of cement sand mortar and spatterdash when used as an additive When used as an additive, GT SBR enhances the mechanical performance of cement-sand mortar and spatterdash

GT SBR’s alkaline setting shields embedded steel reinforcement The alkaline properties of GT SBR offer protection for steel reinforcement in concrete structures

Uses + -

• Mix with cement as a bond coat slurry to improve the adhesion of renders, plasters and floor screeds Used as a bond coat slurry when mixed with cement to promote strong adhesion between layers of render, plaster, and screed

• Utilize as a protective coating for steel reinforcement Provides a durable coating to shield steel reinforcements from corrosion

• Spatterdash using for substrate treatment

• Mix with repair mortars to strengthen the mechanical properties of mortar

Characteristics & Advantages​ + -

• Act as a surface modifier to strengthen the adhesion of render and screed significantly boosts the bonding capacity of cementitious layers to a variety of substrates, including concrete, masonry, and brickwork

• Enhances the cohesion strength of the mortar exhibits greater tensile and flexural strength, reducing the likelihood of shrinkage

 

Complied Standards + -

• Hong Kong Standard: HKHA MTS Spec. Part D, Cl. 2.1.1, 2.1.2, 2.1.15

• British Standard: BS 6319

Consumption Calculator + -

1 Bucket Will Cover Approx. 100m2

Technical Data

Chemical Component Aqueous Anionic Dispersion of Styrene And Butadiene
Colour Milky White
Packaging 20 L
Specific Gravity ~1.03 g/cm3
pH Value Approx. 8 – 10
Minimum Application Temperature ~5°C
Shelf Life 12 months
Storage Stored in the original, unopened containers at temperatures between 10-30°C, stirring is recommended before use if stored for a long period

Physical Properties​

Bond Coat Slurry / Steel Protection Slurry Spatterdash Repair Mortar
Adhesion To Concrete​ 3 N/mm2 3.3 N/mm2 3.3 N/mm2
Compressive Strength - 52 N/mm2 52 N/mm2
Flexural Strength - 10.8 N/mm2 10.8 N/mm2

Product Documentations ​

DATE SHEET
Product Sheet

GT SBR​ Product Sheet

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GT Primer

Description ​ + -

• GT Primer is a one component water-based dispersion of polymer containing specific active agents, designed to optimize substrate penetration and enhance bond strength

• GT Primer serves as an effective barrier, preventing the migration of air bubbles from the substrate into the self-levelling screed, preventing the formation of pinholes on the surface

Uses + -
Characteristics & Advantages​ + -
Consumption Calculator + -

1 Bucket Will Cover Approx. 100m2

Technical Data

Colour Green, White Emulsion
Packaging 20 L
Component Polymer Emulsion
Mixing ratio (Primer: water) 1 : 5 for the first coat
1 : 3 for the second coat
Specific gravity ~1.03 g/cm3
pH value 7 – 10
Minimum application temperature ~10°C
Drying time 2 – 4 hours
Coverage Approx. 0.2 – 0.4 L/m2 for 2 coats
Theoretical Consumption Approx. 2.25 – 5 m2/L for 2 coats
Approx. 50 – 100 m2/20L for 2 coats
Shelf Life 12 Months
Storage Life Stored in the original, unopened containers at temperatures between 10-30°C, stirring is recommended before use if stored for a long period

Physical Properties​

pH Value 7 – 10
Solid Content > 45%
Adhesion To Concrete > 1.0 N/mm2

Product Documentations ​

DATE SHEET
Product Sheet

GT Primer​ Product Sheet

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GT Moisture Guard

Description ​ + -

• Featuring a milky greenish composition, GT Moisture Guard acts as a moisture-sealing layer, applied before the installation of tiles on walls or floors in areas prone to moistures such as bathrooms and kitchens

• Provide surface moisture barrier to substrates such as concrete, cementitious plaster, light weight panel & wooden block surface

• It is not recommended to mix it as an admixture with cementitious products.

Uses + -
Characteristics & Advantages​ + -

• Easy to use

• Highly effective surface moisture barrier

• An effective shield against moisture for bathrooms, damp interiors, and substrates prone to high water absorption

Consumption Calculator + -

1 Bucket Will Cover Approx. 100m2

Technical Data

Colour Milky Green Dispersion
pH value 7 – 10
VOC content < 10 g/L
Specific gravity ~1.03 g/cm3
Consumption Absorbent surface, the consumption is approx. 0.3 L/m2 in two coats.
Non-absorbent surface, the consumption is approx. 0.15 L/m2 in two coats.
Shelf Life 12 Months
Storage Life Stored in the original, unopened containers at temperatures between 10-30°C, stirring is recommended before use if stored for a long period

Product Documentations ​

DATE SHEET
Product Sheet

GT Moisture Guard​ Product Sheet

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