Fillers, Metal Powders & Additives

Fillers, metal powders & additives Customize your resin or coating exactly how you want with our range of fillers , metal powders , and additives . From thixotropic and lightening to strengthening, coloring, and finishing—you'll find everything you need for a professional result. Quick selection – what suits your application?...

  • Huismerk - SAM Vulstof Polyurethaan

    Huismerk - SAMFiller Polyurethane

    In stock

    €5,95€4,92

    With this Polyurethane Filler (based on Aluminum tri-hydrate) you can increase the maximum casting thickness of the Polyurethane casting system D80 Set , into 80 mm instead of 30 mm.  PU filler that is added to a polyurethane casting system increases...

  • Huismerk - SAM Vulstof Fumed Silica 150 Gr.

    Huismerk - SAMFiller Fumed Silica 150 Gr.

    In stock

    €5,95€4,92

    Fumed Silica is a powder suitable for making liquid materials, thick or paste like. When mixed properly without air entrapment this powder will disolve colorless. This powder can also be used in Siliconen Culinair® because the result is still food safe....

  • Huismerk - SAM Aluminiumpoeder Huismerk - SAM Aluminiumpoeder

    Huismerk - SAMAluminum powder

    In stock

    €15,95€13,18

    This Aluminum powder consists of 100% Aluminum. Due to its fine composition, this Aluminum powder can be used for mixing in, for example, paints, lacquers, casting resins and plasters. Then you can sand the whole thing and apply a patina....

  • Huismerk - SAM Vulstof Holle Glasparels

    Huismerk - SAMFiller glass beads (hollow)

    In stock

    €5,05€4,17

    With this filler you get a lighter cast and consume less resin.  Glass beads are very small perls of glass. The beads are so small that they can not be distinguish with the naked eye. The material looks like flour....

  • Huismerk - SAM Gekapte Glasvezel 12 mm.

    Huismerk - SAMGlass Fibres 12 mm.

    In stock

    €10,00€8,26

    Glass fibres 12 mm can be used to reinforce all kinds of resins like Acrylic, polyester, pu, epoxy and even silicone. Cheap filler Easy to measure out  Acrylic resin with glass fibres and glas fibre cloth is a strong cheap...

  • Last stock! Huismerk - SAM Gekapte Glasvezel 6 mm.

    Huismerk - SAMGlass Fibres 6 mm.

    In stock

    €10,00€8,26

    Glass fibres 6 mm can be used to reinforce all kinds of resins like Acrylic, polyester, pu, epoxy and even silicone. Cheap filler Easy to measure out  Acrylic resin with glass fibres and glas fibre cloth is a strong cheap...

  • Huismerk - SAM Gekapte Glasvezel 3 mm.

    Huismerk - SAMGlass Fibres 3 Mm

    In stock

    €10,00€8,26

    Glass fibres 3 mm can be used to reinforce all kinds of resins like Acrylic, polyester, pu, epoxy and even silicone. Cheap filler Easy to measure out  Acrylic resin with glass fibres and glas fibre cloth is a strong cheap...

  • Last stock! Huismerk - SAM Koperpoeder Huismerk - SAM Koperpoeder

    Huismerk - SAMCopper powder

    In stock

    €84,95€70,21

    This copper powder consists of 100% copper. Due to its fine composition, this copper powder can be used for mixing in, for example, paints, lacquers, casting resins and plasters. Then you can sand the whole thing and apply a patina....

  • Huismerk - SAM Messingpoeder Huismerk - SAM Messingpoeder

    Huismerk - SAMBrass powder

    In stock

    €84,95€70,21

    This brass powder consists of 100% brass. Due to its fine composition, this brass powder can be used for mixing in, for example, paints, lacquers, casting resins and plasters. Then you can sand the whole thing and apply a patina....

  • Last stock! Omya UK Ltd Vulstof Fillite 355 Omya UK Ltd Vulstof Fillite 355

    Omya UK LtdFiller Fillite 355

    In stock

    €150,00€123,97

    These ceramic microspheres are used to reduce the density of resins and other casting materials. These micro granules can be used in polyurethane, silicone, epoxy, polyester, plaster, concrete, cement and similar products. Technical data   Melting point: 1200-1350°C Bulk density:...

  • Last stock! De IJssel Coatings Double Coat Mat Set De IJssel Coatings Double Coat Mat Set

    De IJssel CoatingsDouble coat Matt Set

    In stock

    €63,95€52,85

    Excellent levelling, easy application by brush, roller or spray; Good resistance to various chemicals; Excellent scratch and mar resistance; Excellent gloss and colour retention; Good adhesion to various materials (even without the use of primers); Suitable as finishing coat in...

  • Sale -18% -18% Huismerk - SAM Isopropanol alcohol 99,7%

    Huismerk - SAMIsopropanol alcohol 99,7% - Copy

    In stock

    €8,50€7,02 -18% -18%
    €6,95€5,74

    Isopropanol is widely used in health care, but also for example for cleaning lenses. Isopropanol is also found in many disinfectants and detergents. Isopropanol IPA is a non-potable alcohol. Very versatile Strong disinfectant Very good degreaser Cleaning silicone A degreaser...

  • Last stock! Huismerk - SAM Bronspoeder

    Huismerk - SAMBronze powder Yellow

    In stock

    €49,25€40,70

    This bronze powder consists of 100% yellowish bronze. Due to its fine composition, this bronze powder can be used for mixing in, for example, paints, lacquers, casting resins and plasters. Then you can sand the whole thing and apply a...

  • Huntsman Epoxylijm Araldite 2012 (50 ml) Huntsman Epoxylijm Araldite 2012 (50 ml)

    HuntsmanEpoxy glue Araldite 2012 (50 ml)

    In stock

    €198,00€163,64

    Product Benefits Fast curing Self-levelling Bonds multiple metals and plastics Resistant to dynamic loads Application Areas Encapsulation of electronic components Assembly for medical instruments Assembly of furniture Performance Specifications Technology, Two-component Epoxy Pot life at RT, 6 mins Fixture time...

Fillers, metal powders & additives

Customize your resin or coating exactly how you want with our range of fillers , metal powders , and additives . From thixotropic and lightening to strengthening, coloring, and finishing—you'll find everything you need for a professional result.

Quick selection – what suits your application?

Product Function Usage
Filler Polyurethane Filling/thickening, sandable & drillable PU repairs, corner and edge construction, gap filling
Fumed Silica 150 g Thixotropic (anti-sagging), increase viscosity Vertical laminates, adhesive pastes, non-sag coatings
Filler Fillite 355 Lightweight microballoons/cenospheres Weight reduction, abrasion-friendly fillings, putty
Cut fiberglass 12 mm Reinforcement , impact and tensile strength Structural fillings, edge reinforcement, support caps
Metal powders Metallic effect , color & mass; conductive look Decorative castings, inlays, cold-casting effects
Double Coat Mat Set Matte topcoat , durable finish UV/wear-resistant topcoat for epoxy/PU/wood
Isopropanol alcohol 99.7% Cleaner/degreaser Surface preparation, degreasing before bonding/coating
Araldite 2012 (50 ml) Epoxy glue , fast & strong Metals, plastics*, ceramics; production & repair

*Compatibility with plastics varies; always perform an adhesion test.

Fillers & thickeners

Fumed silica (thixotropic)

  • Prevents sagging and "runs" on vertical surfaces
  • Ideal for adhesive pastes and spatula systems
  • Mix in at low speed and dust mask

Fillite 355 (Lightweight)

  • Reduces specific weight, easy to sand
  • Perfect for filling and leveling pastes
  • Bonds in epoxy/PU; dosage per TDS

Filler Polyurethane

  • Makes strong repair pastes
  • Combine with PU for fast gap filling
  • Curing and workability according to product sheet

Cut Fiberglass 12 mm

  • Increases impact resistance and tensile strength
  • Good for corners/edges and support caps
  • Distribute evenly to avoid lumps

Metal powders - aluminum, copper, brass & bronze

Create cold-casting and metallic effects in epoxy or PU. Post-treatment (sanding, polishing, or patination) gives a realistic metal look.

  • Aluminum powder: light silver-gray, technical/industrial effect
  • Copper powder: warm reddish brown, suitable for patina
  • Brass powder: gold tint, classic decorative
  • Bronze powder: deep brown-gold, sculpting effect

Tip: First mix a small amount of slurry with one part resin and then add it to the main mixture for a lump-free distribution. Always follow the system's maximum fill level.

Pretreatment & finishing

Isopropanol Alcohol 99.7%

  • Clean and degrease before gluing/coating
  • Evaporates quickly; use lint-free cloths
  • Caution: Flammable – ventilate well, avoid sparks

Double Coat Mat Set

  • Durable, matte topcoat over epoxy/PU/wood
  • Abrasion and chemical resistant (consult TDS)
  • Processing according to mixing ratio and pot life

Araldite 2012 - Epoxy glue (50 ml)

  • Fast curing, strong and impact resistant
  • For metal, ceramics and many plastics*
  • Dosing package (A/B) – clean, repeatable connections

Frequently Asked Questions (FAQ)

Which filler do I choose for vertical applications?

Fumed silica makes systems thixotropic (non-sag). For structural fill, it can be combined with chopped fiberglass.

I want to lose weight; what do I use?

Fillite 355 (microballoons) reduces weight and sands well—ideal for filler and volume build-up.

How do I get a real metallic effect?

Use a high percentage of metal powder (within the TDS limits), pour, let harden, and polish the surface. Patinas add extra depth.

Can I use IPA 99.7% for everything?

For cleaning/degreasing on compatible surfaces only. Test for colorfastness and observe fire safety.

Advice & order

Not sure which filler, metal powder, or topcoat is right for you? We're happy to help with dosage, application, and compatibility.


Professional use only. Always follow the current TDS/SDS. Dosages and compatibility may vary depending on the resin/coating.


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