Plastic Rubber[2]

Updated: 2026-09-09

Overview

Plastic Rubber is a synthetic elastomer engineered to merge the elasticity of rubber with the moldability of plastics. It is produced through polymerization processes, often incorporating additives to enhance specific properties like UV resistance or tensile strength. The material is favored in industries requiring cost-effective alternatives to natural rubber or specialized performance characteristics. Its hybrid nature allows for customization, making it adaptable to diverse applications ranging from automotive components to household products. Manufacturers typically categorize Plastic Rubber by hardness (Shore A or D scale) and thermal stability to meet technical specifications.

Physical and Chemical Properties

Plastic Rubber exhibits a density range of 1.0–1.2 g/cm³, with melting points between 120–180°C depending on formulation. It is insoluble in water but may swell or dissolve in hydrocarbons or ketones, necessitating careful solvent selection in applications. The material’s flexibility is retained across a broad temperature range (-30°C to +100°C), though specialized grades extend this further. Key chemical properties include resistance to oils, acids, and alkalis, though prolonged exposure to strong oxidizers should be avoided. Its mechanical properties, such as tear resistance and compression set, are tailored through cross-linking agents and fillers like carbon black or silica.

Main Applications

Industrial uses dominate Plastic Rubber consumption, particularly in sealing solutions (O-rings, gaskets) and vibration-damping components. Automotive sectors rely on it for fuel hose linings, window seals, and underhood parts due to its oil resistance. Consumer goods include footwear soles, kitchen utensils, and ergonomic grips. In construction, it serves as waterproofing membranes or expansion joints. Medical-grade variants, though less common, are employed in tubing or prosthetics where biocompatibility is critical. The material’s cost-effectiveness and processability (injection molding, extrusion) further drive adoption in mass-produced items.

Safety and Storage

While Plastic Rubber is generally non-toxic, processing at high temperatures may release volatile organic compounds (VOCs), requiring adequate ventilation. Dust generated during cutting or grinding should be controlled to prevent respiratory irritation. Storage recommendations include keeping the material in original packaging at temperatures below 30°C to prevent premature aging. Incompatibility with strong acids, ozone, and UV radiation necessitates protective measures during long-term outdoor use. Suppliers often provide Material Safety Data Sheets (MSDS) detailing specific hazards and first-aid measures for accidental exposure.

B2B Procurement Guide

Procurement professionals should prioritize suppliers with ISO 9001 certification to ensure consistent quality. Key specifications to confirm include Shore hardness, elongation at break, and compression set values. Bulk orders (pallet or truckload quantities) typically reduce unit costs by 15–30%. Lead times vary from 2–6 weeks for standard grades, while custom formulations may require 8–12 weeks. Request samples for lab testing against application-specific stresses (e.g., chemical exposure, cyclic loading). Consider regional tariffs and logistics costs when sourcing internationally, as Plastic Rubber is classified under HS code 4002 for synthetic rubbers.