Emerald Kalama Chemical

Emerald Kalama Chemical

Kalama® VITROFLEX® A90 Benzoate Plasticizer

Kalama® VITROFLEX® non-phthalate, benzoate plasticisers have excellent safety and regulatory profiles for polysulphides. They enable formulators to eliminate plasticisers facing scrutiny and regulatory pressure, such as benzyl phthalate and chlorinated paraffins. Because Kalama VITROFLEX Plasticisers have been expressly designed for polysulphides, they also offer excellent performance characteristics, compatibility, and value in this application.

Kalama VITROFLEX A90 is tailored for the A-side of polysulphide sealants, where it provides exceptional permanence and low migration. These properties are critical to ensure low fogging in insulated glass, the largest application for polysulphide sealants.

Emerald offers solutions for both the A-side (polymer) and B-side (catalyst) of two-part polysulphide sealants. These products are manufactured in Europe, offering an excellent supply chain to serve EMEA customers. Additional solutions for this application include Kalama VITROFLEX A99 and Kalama VITROFLEX B.

Logo for Kalama VITROFLEX Plasticisers

Attribute Value
Acidity, as benzoic acid, maximum, % 0.1
Assay, as benzoate ester, minimum, % 98
Colour, APHA, maximum 100
Hydroxyl number, maximum, mg KOH/g 15
Moisture content, maximum, % 0.2
Specific gravity, 20°C 1.167–1.175
Refractive index, 20°C 1.539–1.545
Viscosity, Brookfield RVT, 50 RPMs at 20°C, cps 80–120
Typical Properties
Assay, as benzoate ester, % 98.7
Acidity, as benzoic acid, % 0.06
Boiling point, 5 mmHg, °C 176
Colour, APHA 22
Freeze point, °C 20
Hydroxyl number, mg KOH/g 8
Moisture content, % 0.04
Refractive index, 25°C 1.54
Specific gravity, 25/25°C 1.17
VOC, ASTM D2369, % 0.
FDA Coverages
21 CFR 175.105 Adhesives (PART 175 – INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS, Subpart B – Substances for Use Only as Components of Adhesives)
21 CFR 176.170 Components of paper and paperboard in contact with aqueous and fatty foods
21 CFR 176.180 Components of paper and paperboard in contact with dry food
Application Group Application Description
Sealant Polysulphide Sealants Non-phthalate plasticiser tailored for permanence and low fogging in the A-side of 2K polysulfide sealants.
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