Description

1,3-Benzenedicarboxylic Acid, Dimethyl Ester, Polymer With 1,4-Cyclohexanedimethanol And Dimethyl 1,4-Benzenedicarboxylate is a high-performance, amorphous thermoplastic polyester copolymer, commonly known as a modified PETG or PCTG type resin. This material is engineered to deliver an exceptional balance of clarity, toughness, and chemical resistance, making it a superior alternative to standard polycarbonate and acrylic in demanding applications. It is essential for manufacturers seeking durable, transparent materials for consumer goods, medical devices, and specialty packaging that require reliable performance under stress.

Application

• Medical Device Components: Used for housings, connectors, and fluid reservoirs requiring clarity, gamma radiation resistance, and biocompatibility.
• Specialty Packaging: Ideal for high-clarity cosmetic containers, personal care bottles, and blister packs demanding chemical resistance and impact strength.
• Consumer Goods: Manufacture of durable, transparent items such as appliance covers, display cases, and protective shields.
• Automotive Interiors: Suitable for interior trim components and lenses where scratch resistance and weatherability are critical.
• Optical Films & Sheets: Serves as a base material for glazing, signage, and protective barriers with excellent light transmission.
• 3D Printing Filaments: Used in high-performance fused deposition modeling (FDM) for engineering prototypes and functional parts requiring strength and clarity.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Dimethyl Ester, Polymer With 1,4-Cyclohexanedimethanol And Dimethyl 1,4-Benzenedicarboxylate
CAS No.	36487-02-2
Molecular Formula	(C10H10O4 • C8H16O2 • C10H10O4)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(1,4-cyclohexylenedimethylene terephthalate-co-isophthalate); PCTG; Modified PETG; Poly(cyclohexylene dimethylene terephthalate/isophthalate); Glycol-modified polycyclohexylenedimethylene terephthalate; Isophthalic acid-modified PCT; Copolyester of 1,4-cyclohexanedimethanol, terephthalic acid, and isophthalic acid; Cyclohexanedimethanol/isophthalic acid/terephthalic acid copolymer
EINECS	Contact for details

Quality Control

Our copolymer is produced under a strict quality management system to ensure batch-to-batch consistency for critical performance parameters like intrinsic viscosity, color, and thermal properties. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key specifications. Our quality protocols are designed to meet the stringent requirements of medical and food contact applications, with compliance support for relevant regulatory frameworks (e.g., FDA, EU 10/2011, USP Class VI testing where applicable).

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 strong acids and organic solvents. To prevent moisture absorption prior to processing, keep the original packaging sealed until use.

Specification

Item	Specification
Appearance	Clear, Colorless Pellets
Intrinsic Viscosity (IV)	0.70 - 0.85 dL/g
Glass Transition Temperature (Tg)	85 - 95 °C
Melting Point (Tm)	220 - 250 °C
Haze	< 3 %
Light Transmittance	> 88 %
Moisture Content	< 0.05 %
Identification (IR)	Conforms

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