PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

CALCIUM SILICATE

  • Chemical formula:┬áCa2SiO4
  • 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.