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Excavator Bucket with Polyceramoplast Composite Liner
Liner excavator buckets with Polyceramoplast composite material based on UHMWPE is an effective solution that extends the service life of attachments by 3–5 times. We manufacture and supply protective plates that prevent abrasive wear of metal, eliminate adhesion of wet soil, and protect equipment from impact loads at temperatures down to −250 °C.
Get a lining cost estimate within 24 hours — our engineers will select a protection scheme tailored to your soil type and excavator model.
Operational Problems Without Protection
Operation of quarry and earthmoving equipment inevitably involves wear of working components. The lack of lining leads to three critical business issues:
Abrasive Wear
Sand, crushed stone, ore, and rock act like abrasives, thinning the metal walls and bottom of the bucket. Restoring the bucket geometry by welding is a long and expensive process.
Adhesion and Freezing
When working with clay, wet loam, or chalk, the effective bucket volume is reduced by 20–40%. The operator has to spend time cleaning and shaking off soil, which accelerates wear on the hydraulics and boom bushings.
Equipment Downtime
Replacing lining plates takes hours, while major repairs of a metal bucket take days or even weeks. On-site excavator downtime costs more than the repair itself.
Polyceramoplast Composite (UHMWPE)
We offer a solution based on Polyceramoplast — modified ultra-high-molecular-weight polyethylene (UHMWPE). This polymer composite is engineered specifically for extreme loads, combining the light weight of plastic with wear resistance exceeding that of steel.
Why UHMWPE Outperforms Metal and Polyurethane:
1.Zero adhesion
The material’s coefficient of friction (0.1–0.15) is comparable to Teflon. Even wet clay and frozen soil slide off instantly, maintaining 100% bucket productivity.
2.Low-temperature performance
Retains impact strength and does not crack at temperatures down to −250 °C — a critical advantage over polyurethane, which becomes brittle at −40 °C.
3.Abrasion protection
Impact strength and abrasion resistance of Polyceramoplast are 5–7 times higher than carbon steel.
4.Light weight
Density (approx. 0.94 g/cm³) is 8 times lower than steel. Lining adds almost no weight to the bucket and does not reduce the excavator’s lifting capacity.
Lining Zones: What We Protect
We use zoned lining technology, meaning plates with different properties are used for different bucket areas to optimize cost and protection efficiency.
·Bucket bottom
Zone of maximum abrasive wear. Thick plates (20–40 mm) with enhanced abrasion and impact resistance during digging are installed here.
·Side and rear walls
Areas prone to material adhesion. Lined with sheets featuring maximum anti-adhesion (slip) properties for fast unloading.
·Corner seams and radii
Vulnerable points where cracks often form. Protecting these zones increases structural rigidity and seals weld seams.
·Between teeth
Protection of the cutting edge prevents wear on adapters and the base metal of the bucket jaw.
Fields of Application
Our solutions are adapted for a wide range of machinery — from compact loaders to heavy quarry excavators with bucket volumes over 15 m³.
Soil Types and Conditions
·Overburden operations:
clay, loam, black soil (eliminates adhesion)
·Mineral extraction:
coal, ore, sand, gravel (abrasion protection)
·Aggressive environments:
material is inert to acids, alkalis, and salts; does not rust
·Northern regions:
equipment operation in the Far North and permafrost conditions
Economics: Why Lining Is More Profitable Than Repairs
Installing polymer protection is an investment that pays off within 3–6 months of operation.
·Savings on bucket replacement
A new bucket costs from 800,000 rubles up to several million. A set of lining costs 5–10 times less and extends the life of the original metal for years.
·Higher productivity
Eliminating adhesion allows the excavator to complete more loading/unloading cycles per hour. No residual soil in the bucket saves up to 10% on fuel.
·Fast repairs
Worn polymer plates can be replaced on-site in 30–40 minutes using bolted fastening — no welding or long downtime.
·Gentle equipment handling
Reduced vibration and impact during unloading decrease wear on pins, bushings, and boom hydraulic cylinders.
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Q: Is there any confirmation that when using such lining on an excavator bucket, wet and frozen soil will not stick? Have any tests been conducted?
A: Tests were conducted in 2011. Currently, commercial lining of buckets to prevent adhesion and freezing is being carried out—the technology is well established. For feedback, please contact the general email address.
Q: Is it possible to use Polyceramoplast-Omega plates for grader/dozer blades (municipal equipment)? Is it possible to use them for excavator tooth points? Comparisons with steels such as 17G1S, 65G, and others are needed.
A: Blades for graders/dozers can be manufactured: the Basis, Alpha, and up to Beta grades are suitable. Omega is too brittle for these purposes.
No grade of UHMWPE will "last" longer than the mentioned steels: steel has higher strength, hardness, and wear resistance. The advantage of Polyceramoplast is its slipperiness and hydrophobicity; such blades are suitable for delicate contact (for example, with paving slabs).
For excavator tooth points—no, the hardness is insufficient.
Q: What is the procedure for setting the warranty period for products (policy)?
A: Typically, we provide a warranty for the material's compliance with the technical specifications (wear resistance, tensile strength, impact toughness, etc.)—this can be considered the policy and the main aspect of the warranty.
In individual cases, we provide a warranty for the performance of the lining or product in a specific unit/mechanism (for example, a "turnkey" bucket)—for up to 1 year. The decision is made based on a completed questionnaire.
Q: Which plates are most suitable for excavator buckets working with ore?
A:The optimal choices for bucket lining are Polyceramoplast-Alpha and Polyceramoplast-Beta. Alpha—higher anti-adhesion properties (areas with the greatest adhesion/freezing). Beta—higher wear resistance (areas with high abrasive load). By combining the two grades, we achieve a uniform service life for the lining.
Important: soft soils—not higher than category 4. Ore does not fall into this category. Alpha and Beta have been successfully used in hoppers and chutes with ore, but in buckets—they are unlikely to perform well due to different mechanics.
