company tower banner
Specialty Chemicals Lardello Company Logo

Larderel® Zinborel Fine

1 of 5 products in this brand
Larderel® Zinborel Fine has its applications in the plastic industry as flame retarder and smoke suppresser; in the wood industry as preserver and flame retarder; in the wood-plastic composites industry.

Chemical Name: Boron Zinc Hydroxide Oxide

Functions: Flame Retardant, Smoke Suppressant

    Knowde Enhanced TDS

    Identification & Functionality

    Composite Materials Functions
    Plastics & Elastomers Functions
    Molecular formula
    2ZnO*3B203*3.5H2O
    Molecular Weight
    434.7
    CAS No.
    138265-88-0
    Custom Tarif
    28402010.0
    EC No.
    604-070-9

    Features & Benefits

    Materials Features

    Applications & Uses

    Plastics & Elastomers End Uses

    Properties

    Physical Form
    Typical Properties
    ValueUnitsTest Method / Conditions
    AspectPowder
    Crystal Density2.8g/cm
    Dehydration TemperatureApprox. 290°C
    Oil Absorption24% w/w
    Boron Oxide Content37.0 - 39.0
    Particle Size Distribution Values d100.7 -0.9µm
    Particle Size Distribution Values d502.2 - 2.9µm
    Particle Size Distribution Values d997 - 9µm
    Refractive Index1.57
    Volatile Loss (24 Hours at 120°C)max. 1.0%
    Water Solubility0.1% w/w
    Weight Loss (950°C)max. 15.5%
    Crystallization Watermin. 46.5 - max. 49.5
    Zinc oxide Contentmin. 11.5 - max. 16.5%
    Moisture Contentmax. 1%
    Granulometry >10max. 1%
    Granulometry >6max. 10%
    Granulometry >3max. 50%

    Technical Details & Test Data

    Thermogravimetric curve of Zinborel

    Larderel® Zinborel Fine - Thermogravimetric Curve of Zinborel

    Packaging & Availability

    Packaging Type
    Standard Packaging

    25 Kg Bags.

    Storage & Handling

    Shelf Life

    If correctly stored, the product is chemically and physically stable. Store product in a dry, well ventilated warehouse.