Description

1,4-Benzenedicarboxylic Acid Polymer With 1,4-Cyclohexanedimethanol And 1,2-Ethanediol is a high-performance thermoplastic polyester, commonly known as a modified PETG or PCTG copolymer. This engineered polymer offers an exceptional balance of clarity, toughness, chemical resistance, and ease of processing, making it a superior alternative to standard materials. It is essential for manufacturers seeking durable, transparent, and versatile resins for demanding applications across packaging, medical devices, and consumer goods.

Application

• Medical Device Manufacturing: Used for blister packs, clamshells, and sterile packaging due to its clarity, strength, and gamma radiation resistance.
• Food & Beverage Packaging: Ideal for transparent containers, bottles, and cups requiring excellent impact strength and compliance with food contact regulations.
• Consumer Goods & Electronics: Fabricated into protective covers, display components, and housings where optical clarity and durability are critical.
• Point-of-Purchase Displays: Employed in high-clarity, rigid sheets for signage and retail displays that resist cracking and yellowing.
• 3D Printing Filament: Serves as a premium material (PETG-based) offering good layer adhesion, minimal warping, and high strength for functional prototypes.
• Industrial Components: Used for machined parts, fluid reservoirs, and sight glasses that require chemical resistance and dimensional stability.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid Polymer With 1,4-Cyclohexanedimethanol And 1,2-Ethanediol
CAS No.	25038-91-9
Molecular Formula	(C10H8O4·C8H14O2·C2H6O2)n
Molecular Weight	Polymer (Contact for details)
Synonyms	Poly(ethylene terephthalate-co-1,4-cyclohexylenedimethylene terephthalate); PETG; PCTG; Glycol-modified PET; Cyclohexanedimethanol-terephthalic acid-ethylene glycol copolymer; Eastar® PETG (typical trade name); Spectar® PETG (typical trade name); Terephthalic acid polymer with 1,4-cyclohexanedimethanol and ethylene glycol
EINECS	Contact for details

Quality Control

Our polymer is produced under a strict quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including intrinsic viscosity (IV), color, thermal properties (DSC), and mechanical strength. Certificates of Analysis (COA) documenting key specifications are available for every batch. We can supply grades compliant with relevant FDA and EU regulations for food contact and medical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from open flames and heat sources. Prior to processing, the resin should be dried according to standard procedures for hygroscopic polymers to prevent hydrolysis and ensure optimal product quality.

Specification

Item	Specification
Appearance	Clear, Colorless Pellets
Intrinsic Viscosity (IV)	0.70 - 0.85 dL/g
Melting Point (DSC)	210 - 230 °C
Glass Transition Temp (Tg)	75 - 85 °C
Haze	< 3 %
Moisture Content	< 0.05 %
Identification (IR)	Conforms to Standard

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.