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Kemamide® W-40, Powder is a high-melting synthetic wax, also known as N,N'-Ethylenebisstearamide, available in powder form.
Kemamide® W-40, Powder is commonly known as N,N'-Ethylenebisstearamide and benefits formulators as a dispersing agent and an internal and external lubricant for plastic molders. Furthermore, this high-melting synthetic wax is available in multiple forms and can help decrease the friction of the polymer surface and may even contribute to color stability.
Form: Powder
Acid value: 0.0–5.0
Garner color (1963): 0.0–3.0
Closed-tube melt point, °C: 140.0–145.0
Total amine value: 0.00–5.00
Total ash: 0.00–0.05
Fineness % thru 100 mesh: 100.00 (min)
Fineness % thru 325 mesh: 99.50–100.00
Primary Chemistry: Ethylenebisstearamide
High melting point
Compatible with most plasticizers and waxes
Improves surface resistance to moisture, heat, salt, and most solvents
High friction or adhesion issues when processing plastic resins
Poor release or lubrication properties in asphalt, paper coatings, or potting compounds
Thermoplastic resins and plastics
Cellophane and heat seal films
Paper and surface coatings
Tapes and hot-melt adhesives
Asphalts and rubbers
Dental waxes
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