Description

E 295 (Styrene Polymer) is a synthetic polymer derived from styrene monomers, widely utilized for its excellent balance of mechanical properties and processability. This material is valued for its rigidity, clarity, and ease of fabrication, making it a versatile component in numerous industrial formulations. It serves as a critical raw material for manufacturers in the plastics, coatings, and specialty chemical sectors seeking reliable performance and consistent quality.

Application

E 295 (Styrene Polymer) is engineered for a broad spectrum of industrial applications, including:

• Plastics Compounding: As a base resin or modifier to enhance rigidity and dimensional stability in injection-molded and extruded plastic parts.
• Coatings and Adhesives: Used in formulations to improve film hardness, gloss, and adhesion properties for protective and decorative coatings.
• Industrial Resins: A key component in the production of unsaturated polyester resins (UPR) for fiber-reinforced composites in automotive and construction.
• Packaging Materials: Incorporated into clear and rigid packaging solutions where good barrier properties and transparency are required.
• Rubber Modification: Acts as a reinforcing agent to improve the strength and wear resistance of synthetic rubber compounds.
• Specialty Chemical Synthesis: Serves as an intermediate or additive in the synthesis of more complex polymeric materials and dispersants.

Basic Information

Product Name	E 295 (Styrene Polymer)
CAS No.	86338-05-8
Molecular Formula	(C8H8)n
Molecular Weight	Varies (Polymer)
Synonyms	Polystyrene; Poly(1-phenylethylene); Styrene homopolymer; PS; GPPS (General Purpose Polystyrene); Crystal Polystyrene; Atactic Polystyrene; Styrene resin
EINECS	Contact for details

Quality Control

Our E 295 (Styrene Polymer) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for molecular weight distribution, residual monomer content, and thermal properties. Certificates of Analysis (COA) documenting purity, viscosity, and other critical parameters are available upon request to support your quality assurance protocols.

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 heat sources and open flames. For long-term storage, ensure the packaging is intact to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	Colorless to slightly yellow beads or granules
Identification (IR)	Conforms to structure
Assay (as Polymer)	≥ 99.0%
Residual Styrene Monomer	≤ 0.1%
Molecular Weight (Mw)	Customizable (e.g., 100,000 - 400,000 Da)
Glass Transition Temperature (Tg)	~ 100 °C
Volatile Matter	≤ 0.5%

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