Home / Products / Industrial Coatings / Epoxy coal tar pitch anticorrosion paint
Water-resistant · buried for 30 years

Epoxy coal tar anti-corrosion漆

KF-CM100 Epoxy Coal Tar Pitch Coating

KF-CM100 epoxy coal tar anti-corrosion coating is based on epoxy resin and refined coal tar. The coating is water-resistant/salt-resistant/soil microorganism-resistant/plant root penetration-resistant. It is a classic material for anti-corrosion of buried pipelines and underground steel structures. Designed according to SY/T0447 standard with a service life of more than 30 years. Widely used for anti-corrosion coating of long-distance buried oil and gas pipelines/sewage pipelines/steel pipe piles/storage tank bottom plates and other underground and underwater steel structures.

9Major Series
All-substrate coverage
95GU+
high-gloss baked finish
5MPa+
adhesion strength
500h+
Salt spray resistance
200°C
Baking temperature
ROHSCertifications
Eco compliance
ΔE<1
precise colour control
12 months
Shelf Life
SourceFactory
Factory-direct quality

ProductsOverview

Epoxy coal tar anti-corrosion paint is a heavy-duty anti-corrosion coating designed by KeXin New Material in accordance with the ISO 12944 standard. It is scientifically formulated with high-quality resins and high-performance anti-rust pigments, offering excellent anti-corrosion performance and adhesion. It is widely used for protective coating in heavy-duty anti-corrosion fields such as steel structures, bridges, petrochemicals, and ships.

The product has passed rigorous salt spray testing (>1000h) and adhesion testing (>5MPa), and with a complete base-intermediate-topcoat system, it can provide long-lasting protection for 15-25 years. Kexin provides free coating design solutions and technical support services.

Why choose epoxy coal tar anti-corrosion paint?

✓
Zinc content ≥80% · Double protection• Cathodic protection + barrier protection, salt spray >3000h
✓
C5-M, the highest corrosion rating.Verification in extreme environments such as cross-sea bridges and offshore platforms.
✓
On-site engineer guidance——Free on-site service in the Pearl River Delta region, remote technical support elsewhere
✓
Fast dispatch within 48 hours——Standard products well stocked; custom orders in 3-7 working days
✓
Complete coating system solutions——Primer / midcoat / topcoat systems designed as a matched set, one-stop procurement
✓
RoHS / REACH environmental compliance——Tested by third-party laboratories SGS/CTI, exported to 50+ countries

CoreAdvantages

Coal tar · Naturally water-resistant and anti-corrosion

Refined coal tar contains natural aromatic compounds with excellent water resistance, salt resistance, and microbial resistance. It crosslinks with epoxy resin to form an interpenetrating network structure with adhesion greater than 5MPa. The coating does not soften or peel off during long-term immersion in water and wet soil. Verified by over 30 years of buried application.

Anti-microbial · Anti-root penetration

The coal tar component has natural anti-microbial and anti-plant-root-penetration properties. Resistant to soil corrosion microorganisms such as sulfate-reducing bacteria, iron bacteria, and saprophytic bacteria. Buried pipeline coatings are not penetrated by plant roots. It is an ideal anti-corrosion material for underground steel structures.

Economical thick film · SY/T0447

SY/T0447 standard technical standard for epoxy coal tar anti-corrosion coating of buried steel pipelines. A single coat can reach 150-200 microns in film thickness; ordinary grade is two coats, extra-strong grade is four coats. Used in combination with fiberglass cloth wrapping, it can form reinforced-grade and extra-strong-grade anti-corrosion coatings. The cost per square meter is far lower than 3PE, making it the preferred solution for budget-sensitive projects.

Professional coating technology support services

Kexin has an experienced coating R&D and application team providing full-process support — from substrate analysis, coating selection and process-parameter optimization to on-site application guidance.

Eco-compliant green manufacturing system

All products are certified against the ROHS/REACH environmental regulations and their VOC content meets national environmental standards. Environmental performance test reports issued by authoritative third-party laboratories such as SGS and CTI are provided.

Complete quality control and batch traceability

A full-process quality control system, from incoming raw materials to dispatch of finished goods. Every batch passes rigorous physico-chemical testing and simulated coating trials. Each shipment is released with a batch test report and a product warranty.

TechnicalSpecifications

Basic parameters

Suitable substratesCovers all common substrate types
Coating typesAcrylic / PU / epoxy / UV
Curing methodBaking / air drying / UV curing
Gloss rangeHigh gloss / semi-gloss / matt
Colour optionsPrecise matching in any colour
Industries servedUsed across many industries
Environmental certificationROHS/REACH/GB
Packaging Specs4 L / 20 L drum packaging

Performance

Adhesion (cross-cut)Grade 0–1 (5B)
Pencil hardnessH-2H
Salt spray resistance240-500h
Damp-heat resistanceNo abnormality after 500 h
Perspiration resistantNo abnormality after 48 h
RCA abrasion resistance>200 cycles
Impact resistance50kg·cm
VOC content<420g/L

The technical parameters above are taken from test data of the Kexin New Materials laboratory (ISO 17025 accredited); actual values may differ slightly depending on application conditions and substrate. Please contact technical support to obtain a current COA test report.

Frequently AskedFAQ

Which substrates does it suit?+
Suitable for sandblasting and rust removal up to Sa2.5 grade on carbon steel and cast iron surfaces. The substrate must be free of oil, rust, and old paint; a roughness of Rz40-75μm is optimal.
Why can't it be left exposed?+
Epoxy is not UV-resistant and chalks under long exposure. It must be paired with an epoxy MIO intermediate coat and a weather-resistant topcoat to form a complete system.
Which primer or topcoat completes the system?+
We recommend using a matching primer and topcoat from the same Kexin series to secure system compatibility and best performance. A Kexin engineer can design a complete primer-midcoat-topcoat system for your specific service conditions, free of charge.
How to get samples and a quote?+
Free samples of standard products are provided (freight at the customer's cost), supplied with TDS and MSDS documentation. For bulk purchases please contact 400-901-0757 or 13531350189. Sample quantity from 1 kg; bulk orders from 20 kg.
How do I pick the right grade for my operating conditions?+
Choosing a coating product requires considering the substrate type, the service environment (temperature / humidity / chemical media), the required corrosion protection class (ISO 12944 C1-C5M), the application conditions and the budget. We recommend contacting our technical engineer on 400-901-0757 for professional selection advice; free trial spraying and test verification are supported.
What is the MOQ and lead time?+
Samples from 1 kg; regular products from 20 kg per batch. Stock items ship within 48 hours, made-to-order products in 3-7 working days. Door delivery can be arranged within the Pearl River Delta region.

ApplicationProcess

1

Surface preparation

Clean substrates thoroughly of oil and rust. Blast steel to Sa2.5. Pre-treat per product spec to keep the substrate clean. Ambient 5-40°C, relative humidity<85%。

2

Primer / pre-treatment

Select the matching primer or pre-treatment per substrate and system. Mix strictly at the stated ratio and control DFT. Proceed after the primer dries; pre-stripe critical areas.

3

Main-coat application

Apply the main coat per the process spec, strictly controlling DFT, temperature/humidity and flash-off to keep the film uniform without sagging or pinholes.

4

Curing process

Cure fully by stoving or by ambient air drying as the product requires. Keep oven temperature uniform within ±5°C and ramp up gradually to avoid coating defects. For ambient-curing grades, ensure adequate ventilation and suitable humidity.

5

Inspection & acceptance

Inspect all parameters: dry film thickness, adhesion, gloss, colour difference and chemical resistance. Full performance testing is carried out against the relevant standards. Only after everything passes are the test report and warranty issued, and the goods are packed and shipped in dust-free conditions.

ApplicationsCases

埋地管道环氧煤沥青

Buried pipeline epoxy coal tar

Long-distance buried oil and gas pipeline epoxy coal tar anti-corrosion paint coating with 30-year protection

污水管道环氧煤沥青

Sewage pipeline epoxy coal tar

Municipal sewage pipeline epoxy coal tar anti-corrosion paint coating resistant to hydrogen sulfide

钢管桩环氧煤沥青

Steel pipe pile epoxy coal tar

Epoxy coal tar anti-corrosion paint coating for port and wharf steel pipe piles

储罐底板环氧煤沥青

Storage tank bottom plate epoxy coal tar

Epoxy coal tar anti-corrosion paint coating for outer wall of large storage tank bottom plate

地下钢结构环氧煤沥青

Underground steel structure epoxy coal tar

Epoxy coal tar anti-corrosion paint coating for underground steel structures

冷却水管环氧煤沥青

Cooling water pipe epoxy coal tar

Epoxy coal tar anti-corrosion paint for power plant circulating cooling water pipes

海洋平台环氧煤沥青

Offshore platform epoxy coal tar

Epoxy coal tar anti-corrosion paint coating for offshore platform substructure

水闸环氧煤沥青

Sluice gate epoxy coal tar

Epoxy coal tar anti-corrosion paint for steel gates in water conservancy projects

码头环氧煤沥青

Epoxy Coal Tar for Docks

Epoxy coal tar anti-corrosion paint for port and dock steel pipe piles and sheet piles

穿跨越管道环氧煤沥青

Epoxy Coal Tar for Crossing Pipelines

Epoxy coal tar anti-corrosion paint for directional drilling and pipe jacking crossing pipelines

钢套钢管道环氧煤沥青

Epoxy Coal Tar for Steel Jacket Pipes

Epoxy coal tar anti-corrosion paint for central heating steel jacket pipes

沉管隧道环氧煤沥青

Epoxy Coal Tar for Immersed Tube Tunnels

Epoxy coal tar anti-corrosion paint for immersed tube tunnel steel structures

Technical documents MSDS (Material Safety Data Sheet) TDS Technical Data Sheet

Epoxy Coal Tar Anti-Corrosion Paint·Factory direct supply

KeXin Epoxy Coal Tar Anti-Corrosion Paint supplied directly from the source factory. Free sample testing, on-site guidance by technical engineers, ISO-certified quality assurance.

Free sample testing
On-site engineer guidance
Fast dispatch within 48 hours
ISO-certified factory · direct supply

Related articles & news

Further reading: technical articles and industry news from Kexin New Materials