PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

CALCIUM SILICATE

  • Chemical formula: Ca2SiO4
  • CAS no: 1344-95-2
  • Specification: MIL-C-51077 (ORD) (dated February 1 1962), and MIL-C-51077 (AR) amendment 3 (dated June 21 1990).
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    IPI Specification No: 10147

    CALCIUM SILICATE

    Properties Units Values Test Method
    Min Max
    Color The calcium silicate, absorbent shall be light gray to white in color
    Total volatile matter % – 9.0 4.3.1
    Total Silicone (as SiO2), dry basis % 45.0 64.0 4.3.2
    Total Calcium (as CaO), dry basis % 23.0 36.0 4.3.3
    Sum of percent SiO2, CaO and loss of weight on ignition, dry basis % 93.0 – 4.3.4
    pH 7.5 8.5 4.3.7
    Granulation
    – Retained on 140 mesh sieve % – 1.0 4.3.5
    – Retained on 325 mesh sieve % – 10.0 4.3.5
    Meta-nitrotoluene absorption gm/100 gm 550 – 4.3.6
    Residue* – The number of foreign particles retained on U.S. Standard Sieve Number 60 % – 5 4.3.8

    * The residue shall not produce a scratching noise or scratch the glass slide.

    Island Pyrochemical Industries provides this product specification sheet solely for informational purposes, and reserves the right to change product specifications without prior notification.