Exceptional optical clarity and high-gloss surface finish for premium aesthetic applications.
Good dimensional stability with low moisture absorption compared to other cellulose esters.
Excellent thermoformability and ease of processing via injection molding, extrusion, and vacuum forming.
Good resistance to oils, greases, and many common solvents under ambient conditions.
Non-toxic formulation compliant with FDA 21 CFR §177.2440 for indirect food contact applications.
Luxury eyewear frames and temple tips requiring clarity, toughness, and skin-friendly feel.
High-end consumer electronics housings and decorative trim components.
Medical device components such as diagnostic instrument casings and non-sterile handheld enclosures.
Point-of-purchase displays and transparent signage requiring durability and visual appeal.
Foodservice accessories including clear serving trays and beverage dispensing parts (indirect contact).
| Chemical Type | Cellulose propionate |
| Product Form | Pellets |
| Appearance | Clear, translucent, colorless |
| Primary Applications | Optical components, consumer goods, medical devices, food-contact-acceptable parts |
| Key Features | Clarity, thermoformability, low moisture sensitivity, smooth surface finish |
| Benefits | Design flexibility, excellent aesthetics, regulatory compliance, ease of secondary finishing |
| Regulatory Status | FDA 21 CFR §177.2440 compliant; RoHS and REACH compliant |
| Processing Method | Injection molding, extrusion, thermoforming |
Q1: What are the key processing advantages of Eastman Tenite Propionate 360A4000012 compared to other cellulose esters?
A: This grade offers excellent melt flow and thermal stability during extrusion and injection molding, with reduced tendency toward thermal degradation or yellowing—making it well-suited for high-clarity, thin-wall applications requiring consistent optical performance.
Q2: Is this material suitable for food-contact applications?
A: Eastman Tenite Propionate 360A4000012 is formulated to meet general FDA requirements for indirect food contact when used as a component in finished articles; however, final compliance depends on the full formulation, processing conditions, and intended use—validation by the end-user is recommended.
Q3: How does humidity affect drying and processing of this resin?
A: As a hygroscopic cellulose ester, it requires thorough drying prior to processing—typically at 60–70 °C under vacuum or dehumidified air for 3–4 hours—to minimize surface defects, splay, or hydrolytic degradation during melt processing.
Q4: Can it be blended with other polymers, and what compatibility considerations apply?
A: It exhibits good miscibility with select plasticizers and certain acrylic resins, but limited compatibility with polyolefins or highly non-polar polymers; blend formulations should be evaluated for phase separation, thermal stability, and mechanical integrity under intended service conditions.
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