gum rosin

Comprehensive Specifications of Gum Rosin

Gum rosin, more accurately called gum damar or dammar resin, is a natural tree resin obtained mainly from trees in the Dipterocarpaceae family, especially Shorea and Hopea species, which grow widely in Southeast Asia, including Indonesia. It is often confused with gum rosin, but the two are not exactly the same: gum damar comes mainly from tropical hardwood trees, while gum rosin is usually derived from pine resin. Dammar is best known as a hard, glossy, pale yellow to amber natural resin used in varnishes, coatings, incense, crafts, and traditional applications

1. Benefits of Gum Rosin

Gum damar offers numerous benefits due to its unique physical and chemical properties:

a. Industrial Applications:

  1. Adhesives:
    • Used in the production of specialty glues, especially for transparent bonding.
  2. Paints and Varnishes:
    • Enhances gloss, flexibility, and durability of coatings.
    • Ideal for varnishes used on wooden furniture and musical instruments.
  3. Incense Production:
    • due to its mild aroma and ease of burning.
  4. Food Industry:
    • Acts as a natural coating for foods, especially candies and dried fruits, being safe and edible.
  5. Cosmetics:
    • Used in lipsticks, eyeliners, and other cosmetics as a binder or thickener.
  6. Pharmaceuticals:
    • Utilized as an additive in medicated plasters and capsules.
  7. Other Uses :
    • Commonly used in traditional arts as a coating for paintings or sculptures.
    • Natural Wrap

2. Technical Data Sheet Gum Damar Batu

  • Color: White to brown
  • Form: Stone (Batu)
  • Clarity: Transparent to semi-transparent.
  • Ash Content : 0.02%
  • Color 50% Solution: 3.0 Gardner
  • Acid Value: 25.72 mg KOH/g
  • Saponification Value: 44.0 mg KOH/g
  • Toluene Insoluble Matter: 0.16%
  • Loss on drying: 0.74%
  • Solubility in Petroleum Benzene: 79.43%
  • Softening point at 82.0 C
  • Bulk Density: 548.0 g/L
  • Moisture and Volatile Matter: 0,74%

3. Packaging Process for Gum Damar Batu

To maintain its quality, gum damar is carefully packaged:

a. Standard Packaging:

  • Carton Box :
    • Used for long-distance shipping or better maintain product quality
Gum Damar
  • Sack Bag:
    • for delivery with standard quality
Gum Damar
  • Inner PE Plastic:
    • used on every cardboard box or sack bag packaging to protect the quality of the goods directly from inside the packaging

b. Packaging Sizes:

  • Typically packaged in 20 kg or 25 kg per carton/sack bag.

c. Labeling:

Each package is labeled with the following details:

  • Product Name: Gum Damar Grade Batu.
  • Origin: Indonesia
  • Net Weight.
  • Harvest Date: Ensures freshness.

Note : can adjust to customer needs

4. Storage and Transportation

  • Storage:
    • Store in a dry room
    • Avoid direct sunlight and high humidity.
  • Transportation:
    • Shipped in dry container

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