Description

Carbonic Dichloride, Polymer With 4,4'-Cyclohexylidenebis[Phenol] is a high-performance polycarbonate resin, a key engineering polymer synthesized from bisphenol-A and phosgene. This material matters for its exceptional combination of optical clarity, high impact strength, and thermal stability, making it a superior alternative to standard glass and other thermoplastics. It is critically needed by manufacturers in the automotive, electronics, medical device, and construction industries for producing durable, transparent components. We supply this polymer, CAS No. 25134-45-6, in various grades to meet diverse industrial formulation requirements.

Application

• Automotive Glazing & Components: Used for headlamp lenses, interior panels, and sunroofs due to its high impact resistance and clarity.
• Electronic Enclosures & Displays: Ideal for smartphone cases, LED light guides, and transparent covers requiring durability and flame retardancy.
• Medical Devices & Equipment: Employed in housings for diagnostic equipment, surgical instrument handles, and sterilizable containers.
• Safety & Protective Gear: A primary material for safety goggles, face shields, and riot gear visors.
• Construction & Glazing: Used in soundproof windows, skylights, and vandal-resistant glazing for public spaces.
• Consumer Goods & Appliances: Found in durable food storage containers, water bottles, and appliance housings.
• Optical Media & Data Storage: Serves as a substrate for CDs, DVDs, and Blu-ray discs.

Basic Information

Product Name	Carbonic Dichloride, Polymer With 4,4'-Cyclohexylidenebis[Phenol]
CAS No.	25134-45-6
Molecular Formula	(C15H16O2.CCl2O)x
Molecular Weight	Varies (Polymer)
Synonyms	Polycarbonate resin; Poly(bisphenol A carbonate); BPA-PC; 2,2-Bis(4-hydroxyphenyl)propane polycarbonate; PC; Lexan (Trade Name); Makrolon (Trade Name); Calibre (Trade Name)
EINECS	Contact for details

Quality Control

Our polycarbonate resins are produced under strict quality management systems to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including intrinsic viscosity, melt flow rate, thermal properties, and optical clarity. Certificates of Analysis (COA) detailing key parameters are provided with every shipment. We can supply grades compliant with various regulatory and industry standards, including FDA, USP Class VI, and RoHS, 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 strong acids, bases, and oxidizing agents. This material is hygroscopic (moisture-sensitive); ensure original packaging is sealed after use to prevent moisture absorption, which can affect processing and final product properties.

Specification

Item	Specification
Appearance	Clear, Colorless Granules/Pellets
Melt Flow Rate (g/10 min)	5 - 25 (Grade Dependent)
Intrinsic Viscosity (dl/g)	0.45 - 0.65
Tensile Strength (MPa)	> 60
Glass Transition Temp. (°C)	~ 145 - 150
Light Transmittance (%)	> 88
Yellowness Index	< 2.0
Moisture Content (%)	< 0.02

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