How to Choose Surface Additives for Can Coatings

15 juli 2026
Geplaatst in Uncategorized
15 juli 2026 marketing@longchang Groep

Snel antwoord: kopers die werken aan can coatings usually get a cleaner first shortlist when they separate three different jobs instead of asking one additive to solve every surface problem at once. CHLUMIFE® 3166 should move first when the main target is a broader surface-balance route across wetting, smoothness, gloss, anti-blocking, and scratch support. CHLUMIAG® 3467 deserves earlier review when the system is more compatibility-sensitive and the first question is whether a leveling and anti-cratering route can clean up the film without narrowing the formulation window too quickly. CHLUMIFE® 3307X belongs earlier when the coating already lays down acceptably but the cured film still needs stronger scratch or abrasion resistance en De mogelijkheid om de lak te vervangen blijft belangrijk..

That is the commercially useful split. This page is not another broad coatings-additives overview. It is a narrower CHLUMICRYL® application page for buyers who already know the project is a metal-packaging or can-coating job and need a faster first screen.

Why can coatings deserve their own additive page

Longchang heeft al livepagina's voor CHLUMICRYL® coating- en inktadditieven, spoelcoatingadditieven, anti-corrosion coating additives, nivellerende additieven, En krasbestendige additieven. Those pages solve broader buyer questions.

A can-coating project creates a narrower one: should the first additive screen focus on broad surface balance, compatibility-first defect control, or final-film scratch and recoat performance? That is a different decision from a general industrial-coating page because metal-packaging buyers often care about smooth laydown, crater control on metal surfaces, blocking or scuff risk during handling, and whether later coating or overprint steps still stay practical.

That broader industry framing is used here only as conservative application context. The product-specific facts below stay tied to current Longchang-supported product pages.

What makes these three routes different

  • CHLUMIFE® 3166 is positioned by Longchang as a polyether-gemodificeerd polyorganosiloxaan used to control surface tension, with supported gains around uitstekend droog gevoel, bevochtigbaarheid van het substraat, oppervlaktegladheid, krasbestendigheid, antiblokkeermiddel, nivellering, En glansverbetering. The page supports use in UV-, oplosmiddel- en watergebaseerde systemen.
  • CHLUMIAG® 3467 is positioned by Longchang as a meercomponenten gemodificeerd polysiloxaan that prioritizes system compatibility. Its current company-supported route includes nivellering, anti-kratervorming, substraatbevochtiging, and flexible use either as a direct coating additive or during polyurethane resin modification. The page supports use in UV-, oplosmiddel- en watergebaseerde systemen.
  • CHLUMIFE® 3307X is the more specific cured-film scratch and abrasion route. Longchang explicitly supports it around improving abrasion resistance and scratch resistance after film formation, along with oppervlaktegladheid, nivelleringen een recoatability-first position. Its current company page supports UV and solvent systems, not water-based systems.

That is enough separation to justify a real buyer-selection page instead of sending every can-coating team back to a generic additive hub.

Snelle vergelijkingstabel: welke route verdient de eerste plek op het scherm?

Buyer priority in can coatings Beste eerste route Waarom het op de eerste plaats hoort Hoofdobservatiepunt
Broader surface balance across wetting, smoothness, gloss, anti-blocking, and scratch support CHLUMIFE® 3166 Longchang supports it as a broader surface-control route across UV, solvent, and water-based systems May cause pinholes or whitening and may stabilize foam, so risk checks should stay visible early
Compatibility-first anti-cratering, leveling, and wetting control in a more defect-sensitive formulation CHLUMIAG® 3467 Longchang positions it around compatibility-first use, anti-cratering, and flexible direct-add or resin-modification routes Feel is not its main strength when compared with more feel-led options
Cured film still scratches or abrades too easily and recoatability still matters CHLUMIFE® 3307X Longchang explicitly ties it to scratch and abrasion resistance after film formation with recoatability priority Non-water-based only, and solvent pre-dilution is recommended before use

Wanneer CHLUMIFE® 3166 de betere eerste keuze is

3166 should move first when the can-coating project is still balancing more than one surface KPI at once. Longchang’s current product page is clear that this route is not only about one narrow defect. It highlights uitstekend droog gevoel, bevochtigbaarheid van het substraat, oppervlaktegladheid, krasbestendigheid, antiblokkeermiddel, nivellering, En glansverbetering. The page supports a recommended dosage of 0.05% to 1.0% of total formulation and says it can be added at any stage of production, with optional solvent dilution for easier addition.

That makes 3166 commercially useful when the team is not only chasing crater cleanup or only post-cure durability. It is often the better first route when the buyer wants one broader benchmark that helps answer whether the can coating still needs stronger wetting, smoother laydown, safer anti-blocking balance, and better surface feel together.

  • Systeemgeschiktheid: UV-, oplosmiddel- en watergebaseerde systemen
  • Belangrijkste sterkte: broader balance instead of one narrow function
  • Main caution: Longchang explicitly flags possible pinholes, blekenen een schuimstabiliserend effect, so defoamer planning may still be needed during testing

In short, 3166 is the cleaner first screen when the project needs a broad answer before the team narrows into a more specialized route.

Wanneer CHLUMIAG® 3467 de betere eerste keuze is

3467 deserves earlier review when the formulation window looks more compatibility-sensitive and the first question is whether a leveling and anti-cratering route can solve the surface problem without forcing the lab into a less tolerant package too early. Longchang supports 3467 as a meercomponenten gemodificeerd polysiloxaan and explicitly says the product geeft prioriteit aan systeemcompatibiliteit.

The current company page also supports multiple practical routes. For coating modification, it can be added directly or diluted with a suitable solvent. For polyurethane modification, it can be added with the polyol during prepolymerization or added later. Longchang’s supported dosage windows are 0,05% tot 1% of the total formulation for solvent-based systems, 0,5% tot 5% of the resin amount for resin modification, and 0,5% tot 5% of the total formulation for water-based systems.

  • Systeemgeschiktheid: UV-, oplosmiddel- en watergebaseerde systemen
  • Belangrijkste sterkte: compatibility-first route with anti-cratering, leveling, and wetting support
  • Main caution: the product page says its feel is slightly less refined, so it should not be the automatic first choice when premium hand feel is the main target

That makes 3467 a strong first screen when crater control, formulation tolerance, and practical addition flexibility matter more than a more feel-led route.

When CHLUMIFE® 3307X is the better first move

3307X becomes more relevant when the can coating already lays down acceptably but the final cured film still marks, scratches, or abrades too easily. Longchang’s product page is explicit that this route is designed to improve abrasion resistance and scratch resistance after film formationDezelfde pagina biedt ook ondersteuning voor oppervlaktegladheid, nivelleringen een recoatability-first position.

That creates a meaningful buyer split. Some can-coating projects do not fail first on wet-stage flow. They fail later when the coated metal surface still needs stronger damage resistance while keeping later processing practical. Longchang supports a recommended dosage of 0.1% to 1.0% of total formulation and says the product should be diluted to 12.5% with solvent voor gebruik.

  • Systeemgeschiktheid: UV and solvent systems only
  • Belangrijkste sterkte: cured-film scratch and abrasion route with recoatability priority
  • Main caution: it is not a water-based route, and solvent pre-dilution should be built into the test plan

So 3307X is the better first move when the buyer is judging the final film, not only the wet film.

Hoe kopers een keuze moeten maken voordat ze monsters aanvragen.

1. Start with the real stage of failure

If the project still needs a broad answer across wetting, smoothness, blocking, and gloss, start with 3166. If the bigger risk is crater control and compatibility, move 3467 earlier. If the film looks acceptable at application but still fails under scratch or abrasion pressure, move 3307X up.

2. Keep system boundary visible

3166 and 3467 both sit inside Longchang’s supported UV, solvent, and water-based windows. 3307X does not. That alone helps keep the first shortlist disciplined.

3. Do not treat overlap as interchangeability

All three routes touch appearance or surface performance. That does not make them interchangeable. The supported first-screen logic is different for each one.

4. Use the watchpoint, not only the headline benefit

3166 brings pinhole, whitening, and foam-stabilization risk. 3467 prioritizes compatibility but not the best feel. 3307X needs solvent pre-dilution and belongs in non-water-based screening. Those practical notes often decide the better first sample more than the product family name.

5. Keep the first round tight

For many can-coating teams, one broader surface-balance route, een compatibility-first anti-cratering routeen één cured-film scratch route teach more than an overloaded first panel with too many partially overlapping additives.

Aanbevolen route naar Longchange vanaf deze pagina

FAQ

Which additive should I screen first if the can coating problem is still broad?

Usually CHLUMIFE® 3166, because Longchang supports it as a broader surface-control route across wettability, smoothness, anti-blocking, scratch support, leveling, and gloss.

When should 3467 move ahead of 3166?

3467 should move ahead when compatibility and anti-cratering pressure matter more than a broader feel-led package, or when the project needs the practical option of direct coating modification or resin-modification use.

When should 3307X move ahead of the other two?

3307X should move ahead when the coating already lays down acceptably but the cured film still needs stronger scratch or abrasion resistance and recoatability remains important.

Are these three products interchangeable in can coatings?

No. Their supported system windows, first-screen logic, and risk notes are different enough that buyers should not treat them as drop-in substitutes.

Need a faster shortlist for can coatings?

If your can-coating project is stuck between broader surface balance, compatibility-first crater control, En cured-film scratch resistance, define the real first-screen job before requesting samples. That usually shows much faster whether CHLUMIFE® 3166, CHLUMIAG® 3467, or CHLUMIFE® 3307X deserves the first round.

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