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Light yellow-amber rosin flakes from Pinus Elliottii for versatile uses.
For MSDS Go to Downloads TabSafety Data Sheet for Copper Powder
CU41, Copper Powder, Mesh 40 (Coarse)
High purity atomized copper powder -40/ 100 US Mesh has the largest grains compared with our other copper powder products. It is also usually darker in color. Minimum purity: 99.0%. Typical Apparent Density: 2.4. Nominal Mesh: -40/ 100. HTS Code: 7406.10.0000. NMFC: 30743. CAS: 7440-50-8. Typical Analysis: Copper: 99.87%, Hydrogen Loss: 0.21%, Apparent Density: 2.57 g/cc. Sieve Analysis: 40 mesh 0%, -40/ 100 mesh 90.4%, -100/ 140 mesh 9%, -140 mesh 0.6%.
Key Features
- High purity, minimum 99.0%
- Coarse grain size, -40/ 100 US Mesh
- Dark color, distinct appearance
- Apparent Density: 2.57 g/cc
- Comprehensive sieve analysis included
Product Specifications
| Purity | 99.87% |
| Hydrogen Loss | 0.21% |
| Apparent Density | 2.57 g/cc |
| Mesh Size | >40 mesh 0% -40/ 100 mesh 90.4% -100/ 140 mesh 9% -140 mesh 0.6% |
| HTS Code | 7406.10.0000 |
| NMFC | 30743 |
| CAS Number | 7440-50-8 |
Similar Products
- Fine grain, 99% pure copper powder
- Medium grain, dark copper powder
- High-density, fine copper powder
- Coarse, 98% pure copper flakes
- Atomized, spherical copper granules
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
Perfect for Industrial Manufacturers, Metal Fabrication Professionals, Chemical Industry Experts, Research and Development Teams, Specialty Alloy Producers
Density Cubes, Metals Copper
These high-density copper cubes are for comparison and experimentation, available in 10mm or 20mm sizes, machined and made from copper material.
Product Specifications
| Material | Copper |
| Density | 8.96 g/cm3 |
| Size Options | 10mm or 20mm |
| Weight | Varies by size |
| Package Dimensions | 20 x 20 mm |
| Package Weight | 0.155 lb |
| Units per Package | 1 |
Applications and Benefits:
- Science enthusiasts
- Students studying density and material properties
- Teachers looking for hands-on classroom activities
- Researchers in materials science and engineering
Key Features and Benefits
- High-density copper material
- machined for accurate measurements
- Reusable transparent plastic case for storage
Caution:
High-density copper cubes may be hazardous if mishandled. Please use caution when handling and keep out of reach of children.
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.