Gum Rosin (WW Grade & N Grade) – Manufacturer, Supplier & Exporter | DPRJ Universal

What is the difference between Gum Rosin WW Grade and N Grade?

The primary difference lies in the color clarity and purity. Gum Rosin WW Grade (Water White) represents a highly refined, premium tier which is lighter and clearer, ideal for applications like pale varnishes, high-grade adhesives, and clear coat printing inks. N Grade is slightly darker but retains exceptional binding and thermoplastic characteristics essential for standard industrial formulations.

What are the core technical parameters of your Gum Rosin?

Our natural organic Gum Rosin has an average softening point of 78°C (Ring & Ball method), a high acid value of ≥166 mg KOH/g, and unsaponifiable matter capped at 5% maximum. It complies with premium global specification benchmarks for chemical processes.

What is the CAS number and HSN code for industrial Gum Rosin?

The global CAS number for Gum Rosin is 8050-09-7. In India, it is categorized under HSN Code 38061010 for trade documentation and chemical regulatory validation.

What are the primary applications of Gum Rosin WW Grade & N Grade?

Gum Rosin is widely utilized as a tackifier in hot-melt and pressure-sensitive adhesives, an ingredient in paper sizing agents to control fluid absorption, a vehicle intermediate in printing inks, an emulsifier in synthetic rubber production, and a binder in specialized paint or varnish formulas.

Is Gum Rosin hazardous, and what are its storage recommendations?

Gum Rosin is a natural product and is generally safe, though it can cause skin sensitization or dust irritation under heavy exposure. It should be stored in a cool, well-ventilated warehouse away from direct sunlight, open flames, and heat sources to prevent agglomeration or melting.

What is Gum Rosin derived from?

Gum Rosin is a natural resin obtained from the oleoresin (sap) of pine trees, composed primarily of abietic-type resin acids.

Is Gum Rosin soluble in organic solvents?

Yes, Gum Rosin is soluble in most organic solvents such as alcohol, esters, and turpentine, but it is not soluble in water.

How should Gum Rosin be stored?

Gum Rosin should be stored in a cool, dry place away from direct heat. Properly stored, it remains stable for extended periods without significant quality loss.

What is the difference in appearance between WW Grade and N Grade Gum Rosin?

WW (Water White) grade is the lightest and most transparent grade of Gum Rosin, while N Grade is comparatively darker, reflecting differences in processing and purity.

Do you supply Gum Rosin distributors for regional resale?

Yes, DPRJ Universal supports Gum Rosin distributors across India with bulk supply, both WW and N grade availability, and consistent quality for regional resale.