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Vermiculite bagged goods

Vermiculite is a lightweight, porous mineral granulate that fills cavities, cushions, and binds liquids.


Ideal for sensitive products, electronics, glass/ceramics, samples, and the safe temporary storage of rechargeable batteries/batteries. Non-conductive, non-flammable (>1000 °C), reusable.

TEMPERATURE RESISTANCE
1150 °C Classification Temp.
MATERIAL
Vermiculite
PRODUCT TYPE
Bagged goods
Grain sizes
Superfine 1 mm | Fine 2 mm | Medium 4 mm | Large > 8 mm

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    Cost-oriented

    Technically excellent and cost-oriented solution.

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    Nontoxic

    Light, non-toxic, fiber-free, odorless and acid-resistant.

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    Refractory

    Depending on the product variation, application temperatures up to 1100 ° C.

    Typical applications (without special requirements):

    • Electronics & precision parts (non-conductive)

    • Glass/ceramics/cosmetics

    • Samples/liquids in packages

    • Temporary storage of components/modules

    Benefits

    • 2-in-1: cushioning + absorption for clean, stable packages
    • Lightweight & efficient: approx. 80–125 g/L bulk density (DIN 1060)
    • Thermally robust: thermal conductivity ~0.07 W/mK (DIN 4108) – good insulation properties
    • Safe: non-conductive, non-flammable; pH approx. 7.5 (close to neutral)
    • Flexible dosing: 25 L / 50 L / 100 L / big bag – other sizes/grain sizes available on request
    • Clean option: available as vermiculite cushions for dust-free handling

    TECHNICAL DETAILS

    PROPERTIES

    Physical properties
    pH value ca. 7,5
    Sintering temperature (°C) 1260
    Melting point (°C) 1315
    Thermal conductivity 0,07 W/mK (DIN 4108)
    Bulk density 80 -125 g/Ltr (DIN 1060)

    CHEMICAL ANALYSIS

    SiO2: 35,00 – 41,00 %
    Al2O3: 6,00 -9,50 %
    Fe2O3 6,00 – 9,50 %
    MgO 21,50 – 25,50 %
    CaO 2,00 – 6,00 %
    K2O 3,00 – 6,00 %
    TiO2 0,60 – 1,40 %

    Häufig gestellte Fragen (FAQ)

    Which grain size is right?

    Mittel–grob ist der Allrounder: gute Polsterung, einfache Dosierung, wenig Staub. Fein bindet schneller, kann aber staubiger sein. Für sehr sauberes Handling gibt es Vermiculite-Kissen (portioniert, staubarm).

    Is vermiculite electrically conductive or flammable?

    Nein. Vermiculite ist nicht leitend und nicht brennbar. Referenzwerte: Sintertemperatur 1260 °C, Schmelzpunkt 1315 °C.

    How does vermiculite perform thermally?

    Es bietet eine spürbare Pufferwirkung gegen Temperaturspitzen. Die Wärmeleitfähigkeit liegt bei ca. 0,07 W/mK (DIN 4108).

    How heavy is the material — does it affect shipping weight?

    Die Schüttdichte liegt bei ca. 80–125 g/L (DIN 1060). Vermiculite ist sehr leicht im Verhältnis zum Packvolumen und daher effizient für Hohlraumfüllung.

    Can I reuse vermiculite, and how should I dispose of it?

    Ja, trocken und sauber gebliebenes Material kann wiederverwendet werden. Kontaktierte/verschmutzte Mengen entsprechend den lokalen Vorgaben entsorgen.

    Is vermiculite “neutral” and compatible with materials?

    Der pH-Wert liegt bei ca. 7,5 (nahe neutral). Das mineralische, poröse Granulat ist mit vielen Oberflächen kompatibel. Bei sensiblen Anwendungen empfehlen wir einen kurzen Vorab-Test.

    Do you offer samples or advice on the right grain size?

    Ja. Wir bieten kostenlose Muster und eine kurze Fachberatung, um Körnung und Menge auf deinen Prozess abzustimmen. Größe/Körnung einfach anfragen.

    Product variations

  • Downloads

    Data sheet Vermiculite bagged goods

    Product properties, typical applications and availabilities.

    Download

    Hoffmann product catalog

    Refractory | Seals | Foundry supplies | Conveyor chains | Chesterton

    Download

  • Since 2001, KS Kneissl & Senn Technologie GmbH

    has been producing insulation materials and seals for a wide range of applications up to a temperature range of 1600 °C. A diverse range of machinery (CNC 5-axis milling, plotting, punching, sewing, water jet cutting, vacuum forming, etc.) enables us to shape a wide variety of materials for you. The main materials include: glass fibers, aramid fibers, mineral fibers, biosoluble fibers, ceramic fibers, silicate fibers, vermiculite, calcium silicate, microporous materials, elastomers (rubber, silicone, silicone foam, etc.), etc.

    The company has been ISO9001 certified since 2009, currently in accordance with the 2015 revision of the standard.

  • Product overview KS Kneissl & Senn Technologie GmbH

    Feuerfest | Vermiculite | Kleber

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    K.Hoffmann GmbH

    Feuerfest | Vermiculite | Kleber

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