Calcium OXIDE Powder

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Rubber Chemicals-93

Calcium OXIDE Powder

SKU: RXSOL-93-1495-025
Extra Pure suitable to use as Rubber Chemicals, supplier in India - Middle East.

Application

Pure Calcium oxide use in the rubber industry. Calcium OXIDE is use as a desiccant in rubber compounds 
Calcium Oxide (CaO) for use as a desiccant in rubber compounds which are cured on micro-wave systems, LCM or hot air. Moisture which is present in all rubber chemicals, especially fillers, will be absorbed and the calcium oxide will change to calcium hydroxide after reaction with the moisture. This reaction will happen while storing the uncured rubber compounds.

Calcium Oxide as acid absorber. Working systems containing chlorine. By reaction of HCl (hydrochloric acid) with CaO, CaCl is formed. Therefore the corrosive effect of HCl on metal parts (e. g. vulcanization molds) can be diminished.

CALCIUM OXIDE. CaO. Calcium oxide is a white crystalline solid with a melting point of 2572̊C. 

Technical Specification

CALCIUM OXIDE is an odorless, white or gray-white solid in the form of hard lumps. A strong irritant to skin, eyes and mucous membranes. Used in insecticides ...

Because of vigorous reaction of quicklime with water, quicklime causes severe irritation when inhaled or placed in contact with moist skin or eyes. Inhalation may cause coughing, sneezing, labored breathing. It may then evolve into burns with perforation of the nasal septum, abdominal pain, nausea and vomiting. Although quicklime is not considered a fire hazard, its reaction with water can release enough heat to ignite combustible materials.

Appearance White to pale yellow/brown powder
Odor Odorless
Density 3.34 g/cm3
Melting point 2,613 °C (4,735 °F; 2,886 K)
Boiling point 2,850 °C (5,160 °F; 3,120 K) (100 hPa)
Solubility in water
 Reacts to form calcium hydroxide
Solubility in Methanol Insoluble (also in diethyl ether, octanol)
Acidity (pKa) 12.8
Magnetic susceptibility (χ)
 −15.0×10−6 cm3/mol

 

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