Description

Polyisoprene CAS NO 9003-31-0 is a high-purity synthetic polymer that serves as a critical alternative to natural rubber. Its consistent molecular structure and controllable properties make it essential for applications requiring superior uniformity, low impurity levels, and reliable performance. This material is indispensable for manufacturers in the medical, automotive, and consumer goods sectors seeking a dependable, high-quality elastomer base.

Application

• Medical Devices & Pharma: Primary material for syringe plungers, vial stoppers, and surgical tubing due to its high purity and biocompatibility.
• Automotive Components: Used in vibration dampeners, gaskets, seals, and hoses where consistent elasticity and durability are required.
• Consumer Goods: Key component in the production of high-quality footwear soles, sporting goods, adhesives, and elastic bands.
• Industrial Products: Serves as a base polymer for industrial belts, rollers, and molded rubber parts demanding precise specifications.
• Specialty Adhesives: Provides tack and flexibility in pressure-sensitive and hot-melt adhesive formulations.
• Research & Development: Used as a standard or modifying agent in polymer science and material engineering research.

Basic Information

Product Name	Polyisoprene
CAS No.	9003-31-0
Molecular Formula	(C5H8)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(1-methyl-1-butenylene); cis-1,4-Polyisoprene; Synthetic Natural Rubber (SNR); Isoprene Rubber (IR); Isoprene Homopolymer; (Z)-1,4-Polyisoprene; Gutta-Percha (trans isomer); SKI-3
EINECS	Contact for details

Quality Control

Our Polyisoprene is manufactured under a strict quality management system to ensure batch-to-batch consistency and compliance with relevant industry standards. Quality is verified through a suite of analytical tests including determination of cis-1,4 content, molecular weight distribution, and residual monomer analysis. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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 oxidizing agents, heat, and open flame to maintain polymer integrity.

Specification

Item	Specification
Appearance	White to pale yellow solid/crumbs
Identification (IR)	Conforms to structure
cis-1,4 Content	> 96%
Volatile Matter	< 0.8%
Ash Content	< 0.5%
Mooney Viscosity (ML 1+4 @ 100°C)	40 - 90 (Typical)

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