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Technical · pH & materials

The pH we publish, and the pH we don't.

Lactaz publishes a pH figure for 12 of its 14 grades, from a descaler at pH ~1.3 to a food-grade degreaser at pH ~11. Those 12 are plotted below, each at the figure its own copy states, with the published tolerance drawn as a band. The remaining 2 have no published pH and are not on the ruler at all.

pH ruler, 0 to 14

pH ruler, 0 to 1412 Lactaz grades plotted at the pH each one publishes, with published tolerances drawn as bands. The same figures are listed in the table on this page.AcidicMildly acidicNeutralAlkaline02468101214AquaForce 280~1.3Copper-Safe 264~1.3Multi-Purpose 110~1.3Combi C-3001.5 ± 0.3Combi 4042 ± 0.3Vertical Surface<2Combi Sparkle — Kitchen & Bath2.3 ± 0.3Porcelain Pro — Washroom2.3 ± 0.3pH-Neutral 5205.2 ± 0.3High-Heat Buildup 7507.5 ± 0.3Surface Pro — Floor & Wall9.7 ± 0.3Food Grade Plus 1100~11

Bands show the tolerance Lactaz publishes. Vertical Surface is published only as an upper bound, so it is drawn as an open interval with no marker — there is no point value to plot.

Band boundaries are the ones used across this site: acidic below pH 3, mildly acidic 3 to 6, neutral 6 to 8, alkaline above 8. Target soils are the ones each grade's own copy lists, not a property inferred from its pH.

pH not published

2 grades are not on the ruler.

Lactaz does not state a pH for these grades anywhere in its published copy. They are kept off the ruler on purpose. Placing them by the company they keep — a degreaser near other degreasers, a descaler near other descalers — would be a guess printed as a measurement.

Ask for the safety data sheet for the grade, size and market you are buying into and the current figure comes with it. Request a data sheet →

Material compatibility, grade by grade

These are the compatibility statements Lactaz publishes, reproduced as written. Where a grade says nothing about a substrate, nothing is said about it here either.

All-Purpose Degreaser

Power Cleaner XTpH Not published — request the data sheetNot published
  • Replaces high-alkaline corrosive products with non-corrosive properties.
  • Mild to the user and safe for sensitive materials like aluminum.
  • Solvent-free and environmentally optimized.
  • For aluminum surfaces, allow 10 minutes of contact time before rinsing.

Professional Cleaners

Combi Sparkle — Kitchen & BathpH 2.3 ± 0.3Acidic
  • Gentle on sensitive surfaces and mild to users.
  • Best for daily cleaning in kitchens and bathrooms, including heavy-duty tasks.
Surface Pro — Floor & WallpH 9.7 ± 0.3Alkaline
  • Gentle on sensitive surfaces and mild to users.
  • For cleaning water-resistant surfaces in kitchens, workshops, and other professional spaces.
  • Best for general-purpose cleaning of large surfaces.
Porcelain Pro — WashroompH 2.3 ± 0.3Acidic
  • Gentle on sensitive surfaces and mild to users.
  • Best for daily cleaning and tough washroom maintenance.

Industrial Combi Cleaners

Combi 404pH 2 ± 0.3Acidic
  • Combines cleaning power for oil-borne systems and limescale deposits.
  • Recommended for CIP machines to optimize cleaning efficiency.
  • Acidic yet gentle formulation; the source states these formulations extend equipment lifespan while ensuring user comfort.
  • The product's own Grade Selection Guide table states a dilution ratio of 1:7 with water and a CIP temperature of 40-60°C for this grade, and lists its cleaning methods as CIP systems and surface cleaning.
Combi C-300pH 1.5 ± 0.3Acidic
  • Designed for heavy-duty cleaning needs, targeting limescale, rust, metal oxides, and oils.
  • Excels in cleaning burned organic materials like coked oil.
  • Offers flexible dilution options for varying levels of fouling.
  • The product's own Grade Selection Guide table states a dilution ratio of 1:9 to 1:30 with water varying by fouling level, a CIP temperature of up to 80°C with hot water rinsing recommended, and lists its cleaning methods as CIP systems and manual cleaning by soaking.

Industrial Degreaser

Food Grade Plus 1100pH ~11Alkaline
  • Solvent-free, optimized for CIP operations.
  • Replaces corrosive products for non-corrosive, high-alkaline cleaning.
High-Heat Buildup 750pH 7.5 ± 0.3Neutral
  • Mild to users and materials, contains silicone-based defoamer.
  • Neutral and non-corrosive.

Industrial Descaler

AquaForce 280pH ~1.3Acidic
  • Suitable for CIP operations in heat exchangers, tanks, and water heaters.
Copper-Safe 264pH ~1.3Acidic
  • Designed for systems containing copper and copper-brazed heat exchangers (HEX).
  • Removes limescale, rust, organic deposits, and other oxides without damaging copper surfaces.
Multi-Purpose 110pH ~1.3Acidic
  • High-concentration descaling agent for versatile use.
Vertical SurfacepH <2Acidic
  • Viscous gel for vertical surfaces and ceilings, ensuring maximum adhesion and efficacy.
  • Removes rust, lime scale, and salt precipitates on hard-to-clean surfaces.

Industrial Rust Remover

pH-Neutral 520pH 5.2 ± 0.3Mildly acidic
  • pH-neutral and non-corrosive to most materials, including carbon steel.
  • Contains Bio Gen Active®, chelating agents, and phosphonic acids.
  • Minimal impact on lime deposits, focusing primarily on rust and metal oxides.
  • Requires carbon steel in solution for optimal performance.
  • Storage: keep frost-free to maintain product efficacy.
  • Expiry: 3 years unopened.

Universal Descaler

Rust & Limescale FixpH Not published — request the data sheetNot published
  • Do not mix copper and iron in the same bath.
  • Mild acidic formulation that ensures material and user safety.
  • Mild to the user and environment while delivering powerful cleaning performance.

Material compatibility beyond the surfaces listed here is not published. Request the safety data sheet for your substrate before first use.Request a data sheet →