---
title: "Polyurethane Elevator Buckets for the Oil and Gas Industry: Advantages and Replacement of Steel and Rubber"
description: "Why TIMOL polyurethane elevator buckets are optimal for the oil and gas industry. Comparison with rubber, steel, and caprolon. Order to specification."
lang: "en"
date: "2026-09-30"
canonical_url: "https://timol.com.ua/en/statti/shneki-pogruzochnye-dlya-neftyanaya-i-gazovaya-promyshlennost"
---
# Polyurethane Elevator Buckets for the Oil and Gas Industry: Advantages and Replacement of Steel and Rubber

Every engineer in the oil and gas industry has faced the rapid failure of steel or rubber elevator buckets: abrasive sand, temperature fluctuations, and aggressive chemicals wear them out in months, sometimes even weeks. This leads to unplanned downtime, the risk of line stoppage, and regular repair costs. TIMOL polyurethane elevator buckets solve this problem with their unique wear resistance and adaptation to oil and gas conditions. This article examines which components should be converted to polyurethane, how it affects equipment reliability, and how to correctly select and order a bucket for your needs.

## Why Polyurethane is the Optimal Choice for Elevator Buckets in Oil and Gas
Polyurethane construction of elevator buckets ensures long-term operation even where traditional materials cannot withstand the load. With abrasion of 20-45 mm³ according to DIN 53516, polyurethane is 10 times more wear-resistant than rubber and is also resistant to oils, gasoline, aggressive reagents, and temperatures from -60 to +100 °C. In the oil and gas industry, this is critical: drilling sludges, sands, and granules act as abrasives and destroy even alloyed steel. Polyurethane withstands these conditions without losing elasticity and geometry.

Polyurethane buckets not only resist wear but are also not brittle in the cold, do not dry out during long downtimes, and do not corrode like steel. In conditions where abrasive material mixes with oil residues, ordinary rubber quickly deteriorates, while polyurethane maintains functionality due to its chemical inertness.

Additionally, the elasticity of polyurethane allows it to absorb particle impacts, reducing noise and stress on the unit, which is important for personnel safety and equipment preservation. Switching to polyurethane is a long-term operational strategy for elevators in the oil and gas industry.

## Which Components and Parts Should Be Converted to Polyurethane in Oil and Gas Elevators
It is advisable to replace elevator buckets in units working with abrasive mixtures, drilling sludge, sand, granular reagents, or filtering materials. Here, steel and rubber parts face maximum wear: abrasives cut grooves, rubber becomes brittle, and steel corrodes and gains weight from material adhesion.

Polyurethane elevator buckets are manufactured by the free casting method, allowing for complex geometries and individual dimensions. They are installed in standard mounting locations of existing elevators, with attachments mostly identical to steel or rubber buckets, so modernization does not require equipment changes. Maintenance is simplified: polyurethane does not require regular replacement and is easily cleaned of material residues.

Additionally, polyurethane is recommended for lining chutes, guides, and sealing elements that work in contact with aggressive environments. This reduces the overall service load and allows for constructing units with longer maintenance intervals.

## How Polyurethane Changes Unit Operation: From Casting to Installation
TIMOL polyurethane products for elevator technology are manufactured by free casting according to individual drawings or typical standards. This allows for any bucket shape optimized for specific bulk material and loading method. In the production cycle, polyurethane is mixed with a hardener, poured into a mold, and solidifies under temperature control. This technology ensures uniform structure and absence of defects typical for rubber products.

Installing polyurethane buckets does not require special tools: they are mounted on standard bolt connections used for steel or rubber counterparts. Due to their lighter weight compared to steel, maintenance and transportation are simplified, and the load on the elevator belt is reduced. Bucket maintenance involves periodic integrity checks and cleaning of material residues, as polyurethane does not adhere to drilling sludge, reducing clogging risk.

> **Engineer’s Tip:** For elevator buckets transporting abrasive and mixed materials in the oil and gas industry, choosing polyurethane with hardness in the upper Shore A range is optimal. This material is elastic enough to absorb particle impacts and simultaneously highly resistant to abrasion, not chipping under load.

## Comparison of Materials for Elevator Buckets in the Oil and Gas Industry
The table below presents the key characteristics of the main materials used for manufacturing elevator buckets in the oil and gas industry. It compares abrasion (DIN 53516), operating temperature, density, tensile strength, hardness, and rebound elasticity.

| Property | Polyurethane (TIMOL) | NBR Rubber | Structural Steel | Caprolon (PA6/PA66) |
|------------------------------------|-----------------------|---------------------|----------------------|----------------------|
| Abrasion (DIN 53516), mm³ | 20-45 | 80-150 |, | 30-90 |
| Operating t, °C | -60...+100 | -30...100 | -40...500 | -40...100 |
| Density, g/cm³ | 1.05-1.25 | 1-1.3 | 7.7-7.9 | 1.13-1.15 |
| Tensile Strength, MPa | 25-60 | 10-25 | 370-700 | 60-85 |
| Hardness | 50 Shore A - 70 Shore D| 40A-90A | 120-250 HB | 75D-85D |
| Rebound Elasticity, % | 35-65 | 20-45 |, | 5-15 |
| Wear Resistance to Rubber | 10 times higher |, |, |, |

TIMOL polyurethane has an abrasion of 20-45 mm³ according to DIN 53516, while NBR rubber has 80-150 mm³, and caprolon has 30-90 mm³. This means a polyurethane bucket lasts significantly longer under the same abrasive load. Steel is much heavier (7.7-7.9 g/cm³) and does not absorb impacts, leading to rapid bearing wear and increased noise. Caprolon is brittle upon impact and unsuitable for transporting wet or contaminated mixtures.

## Additional Advantages of Polyurethane in the Oil and Gas Industry
TIMOL polyurethane elevator buckets are not prone to corrosion, allowing their use in high humidity workshops, in contact with oil water or reagents. Numerous production units where buckets are exposed to aggressive environments gain longer life without the risk of oxidation or cracking. Polyurethane maintains stable geometry over a wide temperature range, does not swell from oils, and does not absorb moisture, unlike many polymers.

Importantly, polyurethane products do not spark upon impact, enhancing safety in explosive zones. The elasticity of polyurethane (35-65% rebound) also positively affects the lifespan of units working with granules, sand, or slag: the material does not break but bounces off the bucket surface, reducing overall wear.

## How to Select and Order a Polyurethane Bucket for Your Needs
To select correctly, consider the type of transported material, particle size, degree of abrasiveness, and chemical resistance requirements. TIMOL specialists will select the optimal hardness in the upper Shore A range for abrasive materials or another option for specific operating conditions. Wall thickness, bucket shape, and attachment method are all adapted to the actual task.

Products are manufactured both to standard dimensions and to individual drawings or samples. The customer can provide a technical task with a description of operation, after which TIMOL engineers will prepare drawings, perform calculations, and manufacture a series of products. For consultation or to order a calculation based on drawings, visit the [contact page](/contacts) or check out the [elevator bucket catalog](/katalog).

## Practical Effect for the Enterprise: Economy and Reliability
Switching to polyurethane elevator buckets significantly reduces downtime associated with replacing worn parts and reduces the load on personnel. Thanks to the low abrasion coefficient of polyurethane and its resistance to oils, petroleum products, and temperature fluctuations, the enterprise achieves stable elevator operation even in challenging conditions. Reduced noise, ease of installation, absence of material buildup on buckets, and the ability to manufacture to individual drawings allow flexible modernization of old equipment.

The economic effect is manifested in reduced spare parts costs and fewer emergency stops. Importantly, polyurethane buckets do not require additional corrosion protection and retain their properties even in contact with oil water or reagents. This is especially relevant for enterprises operating 24/7 that cannot afford prolonged downtime.

Read more about the application of polyurethane in the oil and gas industry in the [Oil and Gas Industry section](/galuzi/neftyanaya_i_gazovaya_promyshlennost). Explore the range in the [elevator bucket catalog](/katalog), and for consultation and calculation based on drawings, contact us via the [factory contacts](/contacts).