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CALCIUM STEARATE 20/1

calcium stearatemold release agentinternal lubricantrubber additiveplastic additivehydrophobic calcium soapcalcium stearate 20/1

Calcium Stearate 20/1 is a neutral calcium soap widely used in the rubber and plastics industries. It is distinguished as one of the most effective mold release agents in the sector. Due to its hydrophobic (water-repellent) properties, it functions as an excellent anti-tack agent in rubber production, while simultaneously serving as a high-performance internal lubricant. It exhibits superior compatibility with all rubber and plastic applications.

Technical Specifications

Appearance Fine, white powder
Calcium Content 7.0% ± 0.5
Free Fatty Acid Below 0.5%
Melting Point 155 °C ± 5
Ash Content (CaO Content) 10% ± 0.5
Moisture Less than 3%
Iodine Value Maximum 0.5%
Particle Size 99% passes through 200 mesh
Filtration Test 200 mesh with Ethyl Acetate
Storage Stability 2 years in original packaging in a cool and dry environment
Packaging 20 kg net paper bag

Applications and Advantages

  • Excellent internal lubricant in plastic and rubber production.
  • High-performance mold release agent.
  • Effective anti-tack agent in rubber formulations.
  • Formulation protection via its neutral structure and hydrophobic (water-repellent) properties.

Frequently Asked Questions

What is the primary function of Calcium Stearate 20/1?

It functions as a potent mold release agent and internal lubricant in rubber and plastic applications. Additionally, it provides anti-tack properties due to its hydrophobic structure.

What is the storage life of the product?

The shelf life is 2 years under cool and dry storage conditions in its original packaging.

In what form is Calcium Stearate 20/1 supplied?

It is supplied in the form of a fine, white powder and packaged in 20 kg net paper bags.