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Precision-manufactured commercially pure titanium foil solutions trusted by chemical plants worldwide
Understanding the material science behind GR1 & GR2 titanium foil for process industries
Commercially Pure (CP) titanium foil refers to unalloyed titanium products manufactured to ASTM B265 standards, available primarily in Grade 1 (GR1) and Grade 2 (GR2) designations. Unlike titanium alloys that incorporate aluminum, vanadium, or other elements for strength enhancement, CP titanium foil derives its exceptional value from its near-pure titanium composition — typically 99.2% to 99.5% titanium content — which delivers outstanding corrosion resistance across a broad spectrum of aggressive chemical environments.
In the context of chemical processing and industrial plants, CP titanium foil occupies a uniquely critical position. Its passive oxide layer (TiO₂), which forms spontaneously upon exposure to oxygen or moisture, provides a self-healing barrier against chlorides, acids, oxidizing agents, and seawater that would rapidly degrade stainless steel, Hastelloy, or conventional non-ferrous alloys. This makes CP titanium foil not merely a material choice but a strategic engineering decision that directly impacts plant uptime, safety compliance, and total lifecycle cost.
Key Insight: CP titanium foil's self-regenerating TiO₂ passive film maintains corrosion protection even after mechanical damage — a critical advantage in dynamic chemical processing environments where surface abrasion and thermal cycling are routine.
Selecting the correct grade is fundamental to application success. GR1 and GR2 represent the two most widely deployed CP titanium foil grades in chemical and industrial sectors, each offering a distinct balance of ductility, formability, and corrosion performance.
| Property | GR1 (Grade 1) | GR2 (Grade 2) |
|---|---|---|
| Purity (Ti content) | ≥99.5% | ≥99.2% |
| Tensile Strength | 240–310 MPa | 345–450 MPa |
| Yield Strength | ≥170 MPa | ≥275 MPa |
| Elongation | ≥24% | ≥20% |
| Formability | Excellent (highest ductility) | Very Good |
| Corrosion Resistance | Superior in reducing acids | Excellent (broader range) |
| Typical Applications | Complex formed parts, gaskets, liners | Heat exchangers, reactor vessels, piping |
| Standard | ASTM B265 | ASTM B265 |
GR1 titanium foil, with the highest ductility among all titanium grades, is the preferred choice when complex forming operations, deep drawing, or intricate fabrication geometries are required. GR2, offering moderately higher strength while retaining excellent corrosion resistance, is the workhorse grade for the majority of chemical processing equipment — from heat exchanger plates and reactor liners to evaporator components and distillation column internals.
Custom widths and thicknesses manufactured to ASTM B265 for chemical plant requirements
| Parameter | GR1 Titanium Foil | GR2 Titanium Foil |
|---|---|---|
| Thickness Range | 0.05 mm – 0.5 mm | 0.05 mm – 0.5 mm |
| Width Range | Custom widths available | Custom widths available |
| Standard | ASTM B265 | ASTM B265 |
| Surface Finish | Cold rolled bright, pickled, annealed | Cold rolled bright, pickled, annealed |
| Condition | Annealed / Cold Worked | Annealed / Cold Worked |
| Coil / Strip Form | Available | Available |
| Cut-to-Length | Available on request | Available on request |
ProX Metal offers full customization of CP titanium foil dimensions to match the specific requirements of chemical processing equipment OEMs, engineering procurement contractors (EPCs), and maintenance teams at operating industrial plants. Whether you require narrow strips for gasket applications or wide-format foil for plate heat exchanger fabrication, our production capabilities accommodate both standard and bespoke specifications.
Where CP titanium foil delivers measurable performance advantages over conventional materials
CP titanium foil is the definitive material for chlor-alkali electrolyzers, chlorine gas handling systems, and hypochlorite production equipment. Titanium's immunity to wet chlorine, chloride solutions, and hypochlorite at all concentrations makes GR1/GR2 foil the standard material for anode substrates, cell covers, gas separators, and electrolyte distribution components. Plants processing chlorine derivatives report service lives exceeding 15 years with minimal maintenance when titanium foil components replace stainless steel or rubber-lined alternatives.
Thin-gauge GR2 titanium foil (0.5–1.0 mm) is the dominant material for pressed plate heat exchangers operating in sulfuric acid, hydrochloric acid, phosphoric acid, and nitric acid service. The foil's excellent formability allows complex corrugated plate geometries to be formed without cracking, while its corrosion resistance eliminates the contamination risk that plagues stainless steel in acid-containing process streams. Chemical plants benefit from dramatically extended plate replacement intervals and elimination of product contamination incidents.
For chemical reactors handling aggressive media, CP titanium foil is applied as a corrosion-resistant liner or explosion-bonded cladding over carbon steel or stainless steel substrates. This hybrid construction combines titanium's corrosion immunity with the structural strength and cost efficiency of conventional steel. GR1 foil, with its superior ductility, is particularly favored for complex vessel geometries including dished heads, nozzles, and agitator shaft seals where forming demands are highest.
Multi-effect evaporators and distillation columns processing corrosive organic acids, halogenated solvents, and brine solutions rely on CP titanium foil for heat transfer surfaces, vapor-liquid separation internals, and demister pads. Titanium's high thermal conductivity relative to other corrosion-resistant alloys, combined with its resistance to stress corrosion cracking, makes it the preferred material for thin-walled evaporator tubes and foil-formed structured packing in distillation columns.
Titanium foil serves as substrate material for dimensionally stable anodes (DSA) in electrochemical processes including electroplating, electrowinning of metals, electrolytic oxidation, and water electrolysis for green hydrogen production. The foil substrate's dimensional stability under cyclic anodic polarization, combined with its ability to support precious metal oxide coatings (RuO₂, IrO₂), makes CP titanium foil indispensable in modern electrochemical engineering. The growing green hydrogen sector is driving significant demand growth for GR1 titanium foil as PEM electrolyzer anode components.
Multi-stage flash (MSF) and multi-effect distillation (MED) desalination plants extensively utilize CP titanium foil for heat transfer surfaces, flash chamber components, and demister assemblies. Titanium's complete immunity to seawater corrosion, including crevice corrosion and pitting that afflict even high-alloy stainless steels, translates directly to plant availability improvements and reduced maintenance costs. Reverse osmosis (RO) plant operators also employ titanium foil in high-pressure pump components and membrane housing internals exposed to concentrated brine streams.
CP titanium foil demand drivers shaping the chemical processing materials market through 2030
The accelerating global transition to clean energy is creating unprecedented demand for CP titanium foil in proton exchange membrane (PEM) electrolyzers. GR1 titanium foil is the standard substrate material for bipolar plates and porous transport layers in PEM electrolysis cells. With global electrolyzer capacity projected to reach 100+ GW by 2030, titanium foil demand from the hydrogen sector alone is expected to grow at a CAGR exceeding 25% through the decade. This represents a transformational new demand driver beyond traditional chemical processing applications.
Global chemical industry capital expenditure is running at record levels, with major capacity expansions in Asia Pacific, Middle East, and North America driving strong demand for corrosion-resistant materials. Engineering standards increasingly specify titanium over legacy materials like graphite, rubber-lined steel, and exotic nickel alloys for new-build chemical plants, reflecting titanium's superior lifecycle economics despite higher initial material cost. EPC contractors report titanium foil specification rates in acid-service heat exchangers increasing by 30–40% over the past five years.
Industrial plant operators are increasingly evaluating materials on total cost of ownership rather than initial procurement price. CP titanium foil's exceptional longevity — with service lives of 20+ years in many chemical applications — combined with its 100% recyclability at end of life, positions it favorably in sustainability-driven procurement frameworks. Life cycle assessment (LCA) studies consistently demonstrate that titanium heat exchanger plates deliver lower environmental impact per unit of service delivered compared to stainless steel alternatives requiring frequent replacement.
Advances in titanium foil rolling technology are enabling production of thinner gauges with tighter thickness tolerances and improved surface quality. Ultra-thin CP titanium foil (below 0.1 mm) is finding applications in microreactor technology, fuel cell components, and advanced electrochemical devices that were previously inaccessible due to manufacturing limitations. Additive manufacturing processes using titanium powder derived from foil scrap are also creating circular economy opportunities within the titanium supply chain.
The global CP titanium foil market is concentrated among a relatively small number of integrated producers capable of controlling quality from sponge through finished foil. China has emerged as the dominant production base, accounting for approximately 60% of global titanium mill product output, with manufacturers like ProX Metal offering internationally certified products at competitive price points that have significantly expanded titanium foil adoption in price-sensitive industrial markets.
Key commercial considerations for chemical plant procurement teams include mill certification to ASTM B265, availability of material test reports (MTRs) with full chemical and mechanical property documentation, traceability to raw material heat numbers, and supplier quality management system certification to ISO 9001. For critical applications, third-party inspection and witness testing at the mill is standard practice among major chemical companies and EPC contractors.
Market Data: The global titanium mill products market was valued at approximately USD 4.2 billion in 2023, with industrial and chemical processing applications representing the second-largest end-use segment after aerospace. CP grades (GR1/GR2) account for approximately 45% of industrial titanium foil and sheet consumption by volume.
Trusted titanium material supplier since 2001
We have multiple products for you to choose from
Grade: GR1, GR2
Standards: ASTM B265
Specs: δ(0.3-12)mm × W500-2000mm
Surface: Cold rolled bright, pickled, hot rolled pickled, black oxide
Grade: GR1, GR2
Standards: ASTM B265
Specs: δ(0.3-100mm) × W(400-3000mm) × L(800-20,000mm)
Surface: Cold-rolled bright, acid-washed, sandblasted
Condition: Annealed
Grade: GR1, GR2, GR7, GR12
Standards: ASTM B265
Specs: δ(12-75mm) × W(1500-2500mm) × L(1000-12,000mm)
Custom sizes available.
Grade: Ti6Al4V, Ti6Al4V ELI, GR5, GR23
Standards: ASTM B265
Specs: δ(0.5-75mm) × W(400-3000mm) × L(800-60,000mm)
Founded in 2001, ProX Metal is a high-tech enterprise specialising in the development, production and servicing of pure and alloy titanium materials. As a leading manufacturer of raw titanium materials, we focus on providing cost-effective, stable, high-end titanium materials applied in chemical, oil and gas, marine and electronics fields. We are ISO 9001:2015 certified and hold 14 national patents.
ProX Metal possesses a complete titanium metal production chain, equipped with over 100 advanced machines, achieving an annual output of 8,000 tons of pure titanium and alloy materials. We offer comprehensive solutions spanning from standard products to customized offerings, committed to delivering the highest quality service to our customers.
ProX Metal is certified to ISO 9001:2015, with its quality system and product lines undergoing regular certification audits. We have implemented a rigorous quality management system that meets the stringent excellence standards for titanium raw material production, ensuring our products meet the highest safety and quality standards.
CP titanium foil and titanium materials serving critical industrial sectors worldwide
In the chemical industry, CP titanium foil is widely used against highly corrosive media such as chlor-alkali and sulphuric acid. It ensures efficient and safe chemical production, prevents material leakage and guarantees product quality.
Supplies provide high-strength, corrosion-resistant titanium materials for exploration, production and refining oil and gas operations in demanding offshore and onshore environments.
Corrosion resistance in seawater and brackish applications makes titanium the material of choice in marine applications including shipbuilding, offshore platforms, and submarine systems.
Titanium improves efficiency and extends the life of desalination equipment due to its corrosion resistance, high strength, light weight and good thermal conductivity in brine service.
What our global chemical processing and industrial clients say
They provided a prompt update on arranging the shipment. We are very grateful that they were able to solve the problem quickly after sales, and we are confident that we will continue our collaboration for a long time.
We've been working with this supplier for 10 years, and we can't speak highly enough of them. The quality of their titanium sheets and strips is always consistent, and they always meet our production needs.
Their logistics are super fast, so they can deliver on time even for big orders. This helps us avoid production delays, which is a huge help for our chemical plant operations.
Their comprehensive inventory meets our diverse material grade requirements, making them highly accommodating for distributors like us. They provide an efficient and patient service for sample orders, and we look forward to expanding our collaboration in the future.
Contact Us For Best — Would you like to know more? We can give you the answer. For inquiries about our CP titanium foil products for chemical processing and industrial plants, please leave your e-mail and we will reply within 24 hours.
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