• ADDITIVES
  • Antiblock
  • Antistat
  • Processing Aid
  • Slip
  • UV
  • Other Additives
• COLORS
  • White
  • Black
  • Custom Colors
• COMPOUNDS
  • Injection Molding
  • Extrusion & Blow Molding
  • Thermoplastic Polyolefins
  • Engineering Resins
• PVC
  • Flexible Compounds
  • Rigid Compounds
• RESIN DISTRIBUTION
  • Polyolefins
  • Styrenics
  • Engineering Resins
  • Reprocessed Resins

COMPOUND TYPES

Have questions about the compounds that we offer?

Let us know. You can contact us at any time and we'll be sure to answer any questions you may have.

COMPOUNDS

Rainmaker Polymers offers a complete line of unfilled, filled and reinforced compounds that are available in a variety of resin systems. In addition to a portofolio of stock grades, Rainmaker Polymers can custom formulate compounds to meet the exact needs of your application. These compounds can also be offered as economical pellet blend of higher loaded masterbatches with unfilled resins to achieve the desired filler level and can be precolored to match your specific standard.

Outlined below is a brief summary of the common types of fillers and reinforcing agents that Rainmaker Polymers utilizes:

Filler Type	Description	Properties
GLASS	1/8 inch long bundled glass fibers	Best stiffness, increased strength; minimal effect on color
MICA	High aspect ratio platelets	Improves stiffness and heat resistance; low cost; poor color
TALC	Platelets	Improves stiffness and heat resistance; good color
CALCIUM CARBONATE	Spherical particles	Improves impact resistance; best color
WOLLASTONITE	Fiberous mineral	Improvement in scratch resistance
BARIUM SULFATE	Spherical particles	Increases specific gravity