Gum Rosin Vietnam Manufacturer

Packed in galvanized iron drums, 225 kg or 240 kg/drum (net weight); 80 drums or 100 drums per 20-ft container.

Packed in paper bags, 25 kg/bag (net weight); 16 metric tons per 20-ft container with pallets (640 bags); 18 metric tons per 20-ft container without pallets (720 bags).

Store in a dry, cool, and well-ventilated area. Keep the product in tightly sealed packaging and away from oxidizing agents, strong light, and high temperatures.

Shelf life: 2 years.

Danh mục: Sản phẩm

Mô tả

What is Gum Rosin Colophony?

Gum rosin is a material derived from pine trees. In commercial use, the term rosin generally refers to the solid resin obtained after distilling pine oleoresin to remove turpentine oil.

Rosin mainly contains resin acids with abietic-type acids accounting for a significant proportion. It typically ranges in color from light yellow to amber brown is brittle at room temperature and softens when heated.

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What is Gum Rosin Used For? – Uses of Gum Rosin – Gum Rosin Applications

The function of gum rosin depends on the formulation in which it is used. In industrial applications, rosin is commonly used to

improve adhesion;
increase tack in adhesives;
improve gloss in paints and printing inks;
support film formation and pigment binding;
adjust hardness and softening point;
improve compatibility between polymers and other formulation components;
act as a soldering flux by helping remove oxide layers from metal surfaces during heating.

Unmodified rosin is often chemically modified or esterified to obtain properties better suited to specific applications.

Difference Between Rosin and Resin

Criterion	Rosin	Resin
Meaning	Solid pine resin obtained after distilling pine oleoresin to remove turpentine oil	A general term covering a very broad group of natural and synthetic resins
Source	Mainly derived from pine trees	May be derived from plants or produced synthetically
Main composition	Resin acids, particularly abietic-type and pimaric-type acids	Depends on the resin type epoxy, acrylic, alkyd, hydrocarbon resin, polyester, etc.
Properties	Solid, brittle, tacky, and generally more susceptible to oxidation than many synthetic resins	Properties vary widely and can be engineered for specific applications
Applications	Adhesives, printing inks, paints, rubber, soldering flux and rosin esters	Paints, adhesives, composites, casting resins, construction materials, electronics and many other applications

Is Rosin or Resin Better?

Neither is universally better. The better choice depends on the application.

If good adhesion, tack, bio-based origin and the ability to be modified into ester resins are important, rosin is often a suitable choice.
If high heat resistance, chemical resistance, weather resistance or long-term stability is required, many synthetic resins such as epoxy, acrylic or hydrocarbon resins may perform better.
In adhesives and printing inks, manufacturers often use rosin esters or modified rosin resins rather than raw rosin because they provide better stability and more controlled performance.

For example

Glycerol ester of rosin is used as a tackifier, binder or modifier.
Pentaerythritol ester of rosin generally provides better heat resistance and stability than glycerol ester.
Hydrocarbon resin often offers better color and thermal stability than raw rosin in many adhesive systems.