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Light yellow-amber rosin flakes from Pinus Elliottii for versatile uses.
Ester Gum (Glycerol Ester of Gum Rosin)
Glycerol Ester of Gum Rosin ESTERG85, also known as Glyceryl Rosinate, is a slightly yellow, transparent solid made from gum rosin or refined gum rosin through esterification with glycerol. It serves as an excellent tackifying resin.
Product Specifications
Download Product Data Sheet| 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 |
Applications and Benefits:
- EVA-based hot melt glue sticks
- Bookbindings
- Pressure-sensitive adhesive based on SIS or SBS
- Adhesives, emulsions, and paints based on NR and CR
- Food-grade: Emulsification stabilizer for drinks
- Ingredient in chewing gum and bubble gum
Caution:
Handle in accordance with safety guidelines. Refer to SDS for details.
Gum Rosin Flakes, Brazilian, WW Grade
Gum Rosin Flakes, Brazilian, WW Grade. Gum Rosin Flakes, also known as colophony, are light yellow to amber in color and sourced from Pinus Elliottii, commonly known as the slash pine. This WW grade rosin complies with Class A, Type I, Grade WW Mil. Spec. A-A-59142. It is supplied as a mixture of small and large flakes, crystals, occasional large lumps, and fine powder. The product is brittle at room temperature but melts at stove-top temperatures. Gum rosin flakes are widely used in printing inks, varnishes, adhesives, soaps, sealing wax, soldering fluxes, depilatory hard wax, and paper sizing.
Product Specifications
| Softening Point | 78 ºC |
| Color | X/WW (5/6) Gardner, 1:1 Toluene |
| Country of Origin | Brazil |
| Acid Number | 166.2 mg KOH/g |
| Total VOC | 0.4% |
| H.S. Code | 3806.10.0010 |
| NMFC | 171260 |
| SKU | BROSIN |
Applications and Benefits:
- Used in printing inks for enhanced adhesion and color quality
- Essential in varnishes, adhesives, and paper sizing
- Key ingredient in depilatory hard wax formulations
- Used in soaps, sealing wax, and soldering fluxes
- 550 lb pallets available with free shipping in select regions
- Brazilian rosin is suitable for scalding hogs when controlled adhesion and reduced skin damage are required
Caution:
Store in a cool, dry place. Handle with proper safety precautions. Refer to the SDS for detailed safety and handling instructions.
Polyvinyl Alcohol Grade 22-88, PVA 217, Elvanol 52-22
PVOH Solution PreparationPolyvinyl Alcohol grade 22-88 is a water-soluble polymer produced by the alcoholysis of polyvinyl acetate. It has a viscosity of approximately 22 cps in a 4% solution. This polymer is widely used as a binder in sizes due to its excellent penetration and adhesion properties on various fibrous materials. Its remarkable film characteristics include high cohesion, toughness, low electrostatic charging, and redissolving capacity in water. PVOH 22-88 offers excellent barrier properties, repelling oil, grease, and fat due to its insolubility in most organic solvents. It enhances mechanical strength when applied as a film on paper or paperboard, making it an ideal surface sizing agent. It also serves as an outstanding carrier for optical brightening agents and pigments. This grade can replace Elvanol® 52-22, Poval 26-88, Selvol 523, and PVA-217 with comparable viscosity.
Product Specifications
| Viscosity (4% Solution) | 22 cps |
| Solubility | Water-soluble |
| Replacement for | Elvanol® 52-22, Poval 26-88, Selvol 523, PVA-217 |
| Applications | Binder, film formation, surface sizing agent, pigment carrier |
Applications and Benefits:
- Binder for fibrous materials with excellent adhesion
- Film formation with high cohesion and toughness
- Barrier to grease, oil, and fat
- Surface sizing agent for paper and paperboard
- Carrier for optical brightening agents and pigments
Caution:
Handle with care and follow appropriate safety guidelines. Refer to the Safety Data Sheet for detailed information.
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