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Partially Hydrogenated Gum Rosin
partially-hydrogenated-gum-rosin

Adhesive enhancer with improved stability and lighter color.

SKU: CROSINPH
Polyvinylalcohol Grade 25-88
polyvinylalcohol-grade-25-88

Medium-viscosity, partially hydrolyzed polyvinyl alcohol for coatings and films.

SKU: PVOH2588
Polyvinylalcohol Grade 49-88
polyvinylalcohol-grade-49-88

High-viscosity, partially hydrolyzed polyvinyl alcohol for diverse applications.

SKU: PVOH4988
partially-hydrogenated-gum-rosin
Partially Hydrogenated Gum Rosin (CROSINPH)
For MSDS Go to Downloads Tab

Partially Hydrogenated Gum Rosin, FLORAREZ PR


Partially hydrogenated gum Rosin has a lighter color and is more stable.

Hydrogenated rosin has more resistance to oxidation and has lighter color.
Like unmodified pine rosin, hydrogenated rosin have a wide span of compatibility with almost all polymers. They are well known for their peel and tack contribution to the adhesive. Specific benefits of hydrogenated rosin include:

Lighter color.
Significantly improved stability.
Less to no skin sensitization (depends on the degree of hydrogenation).
Less UV absorption, thus making them suitable for UV curable polymer based adhesives.
Imparts only a slight decrease of cohesive strength, especially in block co-polymer systems.
Can be used in amorphous polyolefin based adhesives.
CAS Number: 65997-06-0

View the Material Safety Rosin


Key Features

  • Improved stability
  • Lighter color
  • Less skin sensitization
  • Less UV absorption
  • Imparts only a slight decrease in cohesive strength, especially in block co-polymer systems
  • Compatible with almost all polymers
  • Contributes to peel and tack in adhesives

Product Specifications

Property Value
CAS Number 65997-06-0
Color Lighter than unmodified pine rosin
Compatibility Almost all polymers
UV Absorption Less than unmodified pine rosin
Skin sensitization Less to no skin sensitization (depending on degree of hydrogenation)

Similar Products

  • Modified Rosin Ester
  • Glycerol Ester of Rosin
  • Maleic Modified Rosin Ester
  • Tall Oil Rosin
  • Wood Rosin

Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.

Caution:

Hydrogenated Rosin has been found to have less skin sensitization than unmodified pine rosin, but caution should still be exercised when handling it. Always wear appropriate protective equipment when working with Hydrogenated Rosin or any other chemicals.


Perfect for adhesives manufacturers and industrial users who require a high-performance adhesive enhancer with improved stability and lighter color.
SKU: CROSINPH
polyvinylalcohol-grade-25-88
Polyvinylalcohol Grade 25-88 (PVOH2588)
This product is currently out of stock.

For similar performance, we recommend: PVOH2288
This grade is comparable to:
  • Polyvinyl Alcohol Grade 22-88
  • PVA 217
  • Elvanol® 52-22

Polyvinyl Alcohol Grade 25-88

PVOH2588 is a medium-viscosity (25 cps), partially hydrolyzed (88%) water-soluble polymer that dissolves in warm or room-temperature water. Equivalent to Elvanol® 52-22, Poval 26-88, Poval 22-88, Selvol 523, and PVA-217, this polymer is widely used in coatings, adhesives, and films. It is especially valued for its higher binding capacity compared to synthetic latex and starch, making it ideal for spiral wound tubes, coated paper, linerboard, and specialty water-soluble films. PVOH2588 also adds strength to recycled boards and enhances oil and grease resistance.

Additional applications include stabilizing vinyl acetate, polystyrene, and polyvinyl chloride emulsions, re-moisturizing adhesives, temporary binders for ceramics, photosensitive coatings, and as a soil anti-redeposition agent. It is suitable for use in textile coatings and joint compounds.


Product Specifications

Viscosity (4% Solution at 20ºC) 23.0 - 27.0 cps
Percent Hydrolysis 87.0 - 89.0%
Solution pH 4.5 - 6.5
Total Organic Volatiles (wt.%) Max. 1.0%
Ash (wt.%) 0.0 - 0.5%
Residual Methanol < 0.9%

Applications and Benefits:

  • Spiral wound tubes
  • Coated paper and linerboard
  • Specialty water-soluble films
  • Binder for adhesives and coatings
  • Enhances oil and grease resistance
  • Soil anti-redeposition agent
  • Temporary binder for ceramics
  • Photosensitive coatings
  • Textile coatings

Caution:

Handle in accordance with recommended safety procedures. Refer to the Safety Data Sheet for detailed handling and storage guidelines.

SKU: PVOH2588
polyvinylalcohol-grade-49-88
Polyvinylalcohol Grade 49-88 (PVOH4988)

Polyvinyl Alcohol Grade 49-88

PVOH Solution Preparation

Polyvinyl Alcohol Grade 49-88 is a high-viscosity (49 cps for a 4% solution) and partially hydrolyzed (88%) water-soluble polymer. Equivalent to PVOH5042, Elvanol® 50-42, SELVOL 540, and POVAL 49-88, it dissolves in cold water but benefits from heating or warm water for complete dissolution. This polymer offers high tensile strength, tear resistance, and excellent properties as a disperser and stabilizer. Applications include stabilizing vinyl acetate, polystyrene, and polyvinyl chloride emulsions, re-moisturizing adhesives, temporary binders for ceramics, water-soluble films, paper adhesives, photosensitive coatings, and as a soil anti-redeposition agent. PVOH 49-88 is also widely used in personal care, construction, textile, and emulsion industries and is a key ingredient for making slime.


Product Specifications

Viscosity (4% Solution) 47–49 cps
Hydrolysis Level 88% (partially hydrolyzed)
Solubility Cold-water soluble (heating recommended for complete dissolution)
Equivalent Products PVOH5042, Elvanol® 50-42, SELVOL 540, Poval 49-88
Applications Emulsions, adhesives, coatings, paper, ceramics

Applications and Benefits:

  • Stabilization of vinyl acetate, polystyrene, and PVC emulsions
  • Binder for adhesives and paper coatings
  • Temporary binder for ceramics
  • Water-soluble films and photosensitive coatings
  • Soil anti-redeposition agent
  • Key ingredient for slime making

Caution:

Handle in accordance with recommended safety procedures. Refer to the Safety Data Sheet for detailed handling and storage guidelines.

SKU: PVOH4988
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