MSDS

10/4/2005 BONSAL® Top N Bond Page 2 of 6
3. COMPOSITION INFORMATION
DESCRIPTION:
This product consists of a heterogeneous mixture of hydraulic
cement and sand. The major compounds are:
3CaO•SiO
2
Tricalcium Silicate CAS #12168-85-3
2CaO•SiO
2
Dicalcium Silicate CAS #10034-77-2
3CaO•Al
2
O
3
Tricalcium Aluminate CAS #12042-78-3
4CaO•Al
2
O
3
•Fe
2
O
3
Tetracalcium
aluminoferrite
CAS #12068-35-8
CaSO
4
•2H
2
O Calcium Sulfate
dihydrate (Gypsum)
CAS #7778-18-9
(CAS #13397-24-5)
SiO
2
Silica Sand CAS #14808-60-7
4. HAZARDOUS INGREDIENTS
COMPONENT OSHA PEL ACGIH TLV-TWA NIOSH REL
-------------------- ------------------------- ------------------------ ------------------------
Hydraulic Cement
5 mg respirable dust/m
3
15 mg total dust/m
3
10 mg total dust/m
3
Calcium sulfate (CAS #7778-18-
9) [Gypsum (CAS #13397-24-5)]
5 mg respirable dust/m
3
15 mg total dust/m
3
10 mg total dust/m
3
Iron oxide (CAS #1309-37-1) 10 mg/m
3
5 mg/m
3
Calcium carbonate (CAS #1317-
65-3)
5 mg respirable dust/m
3
15 mg total dust/m
3
10 mg total dust/m
3
Magnesium oxide (CAS #1309-
48-4)
15 mg total dust/m
3
10 mg total dust/m
3
Calcium oxide (CAS #1306-78-8) 5 mg/m
3
2 mg/m
3
Crystalline silica (CAS #14808-
60-7)
10 mg of respirable dust/m
3
% SiO
2
+ 2
0.5 mg respirable
quartz/m
3
0.05 mg respirable quartz
dust/m
3
TRACE INGREDIENTS:
Due to the use of substances mined from the earth’s crust, trace amounts of naturally occurring, potentially
harmful constituents may be detected during chemical analysis.