Q: What are the product specifications of ESTERG85 Ester Gum?

A: The ESTERG85 Ester Gum is a clear to slightly yellowish, semi-solid substance with a melting point between 55-68°C. It has a moisture content of less than 0.5% and is compatible with a wide range of solvents, including toluene, xylene, and mineral spirits. The product has a viscosity of approximately 10,000-20,000 mPa·s and a density of around 0.92-0.95 g/cm³.

Q: How should I store and handle ESTERG85 Ester Gum?

A: To ensure the optimal performance and shelf life of ESTERG85 Ester Gum, it is recommended to store the product in a cool, dry place, away from direct sunlight and heat sources. The storage container should be tightly sealed and kept away from moisture. It is also essential to handle the product with clean equipment and to avoid contamination with other substances. When transferring the product, use a clean, dry container and a suitable pouring aid.

Q: What is the typical usage of ESTERG85 Ester Gum in adhesive applications?

A: ESTERG85 Ester Gum is commonly used in the production of adhesives and sealants, particularly in applications where high tack and cohesion are required. It is often combined with other resins and solvents to create a strong and flexible adhesive. The product can be used in various industries, including woodworking, construction, and packaging. The recommended usage level of ESTERG85 Ester Gum typically ranges from 10-30% of the total formulation, and the exact usage depends on the specific application and desired properties of the final product.

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Ester Gum (Glycerol Ester of Gum Rosin)

Transparent yellow resin for adhesives, paints, and emulsifiers.

SKU: ESTERG85

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1 Lb $20.00 10 Lbs $130.00 55 Lbs $395.00

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Ester Gum (Glycerol Ester of Gum Rosin)

Glycerol Ester of Gum Rosin ESTERG85 also know as Glyceryl rosinate is a slight yellow transparent solid, which is made from gum rosin or refined gum rosin through esterification with glycerol. It serves as an excellent tackifying resin.

Product Specifications

Softening Point (Ring & Ball)	80–90°C
Acid Value	Max 10 mgKOH/g
Solubility in Benzene (1:1)	Clear
Color (Garder Grade)	2–4
CAS	8050-31-5
EINECS	232-482-5
SKU	ESTERG85