POM Granules[2]

Updated: 2026-09-11

Overview

POM Granules, or polyoxymethylene, are a semi-crystalline thermoplastic known for their high mechanical strength and durability. Commonly referred to as acetal resin, POM is widely used in precision engineering due to its excellent dimensional stability and low friction properties. The material is available in two main types: homopolymer and copolymer, each offering distinct advantages for specific applications. POM granules are favored in industries requiring high-performance plastics that can withstand mechanical stress and chemical exposure. Their versatility makes them suitable for a wide range of applications, from automotive parts to consumer electronics. The material's ability to maintain its properties under varying temperatures and conditions further enhances its industrial appeal.

Physical and Chemical Properties

POM Granules exhibit outstanding physical properties, including high tensile strength, rigidity, and resistance to creep and fatigue. These characteristics make them ideal for components subjected to repetitive stress, such as gears and bearings. The material's low moisture absorption ensures consistent performance in humid environments. Chemically, POM is resistant to hydrocarbons, alcohols, and weak acids, though it can be degraded by strong acids and bases. Its thermal stability allows it to perform reliably in temperatures ranging from -40°C to 100°C. The granules' smooth surface finish and low coefficient of friction contribute to their use in sliding and rotating parts.

Main Applications

POM Granules are extensively used in the automotive industry for manufacturing fuel system components, door handles, and seatbelt mechanisms. Their high wear resistance and low friction properties make them ideal for gears, bushings, and bearings in machinery and equipment. In the electronics sector, POM is employed in insulation parts, connectors, and housings due to its electrical insulating properties. Consumer goods such as zippers, kitchen utensils, and toys also benefit from the material's durability and smooth surface finish. The medical industry utilizes POM for surgical instruments and drug delivery devices, leveraging its biocompatibility and precision molding capabilities.

Safety and Storage

Handling POM Granules requires standard safety precautions, including the use of gloves and masks to avoid inhalation of dust particles. Although POM is generally non-toxic, prolonged exposure to its dust can cause respiratory irritation. Proper ventilation is recommended during processing. Storage conditions for POM Granules should prioritize dryness and coolness to prevent moisture absorption and degradation. The material should be kept in sealed containers away from direct sunlight and extreme temperatures. Suppliers often provide specific storage guidelines to ensure the material retains its properties over time.

B2B Procurement Guide

When procuring POM Granules, B2B buyers should consider the material grade (homopolymer or copolymer) based on the intended application. Homopolymers offer higher mechanical strength, while copolymers provide better chemical resistance and thermal stability. It's essential to verify supplier certifications and request material data sheets to ensure compliance with industry standards. Price negotiations should account for order volume, with bulk purchases typically offering cost advantages. Buyers should also evaluate the supplier's logistics capabilities to ensure timely delivery. Establishing long-term partnerships with reputable suppliers can secure consistent quality and competitive pricing.