Component

Description

Source

Cement

Ordinary Portland cement (CEM I―52.5 N)

Suez Company

Sand

Natural sand

Polyol (VoranolTM 3137)

A 3100 Mw polyetherpolyol with functionality of 3, 87% propylene oxide and 13% ethyleneoxide

Dow Chemical

Water

Clean tap water

Isocyanate (COSMONATE M-200) (PMDI)

Polymeric methylene diphenyl diisocyanate

Kumho Mitsui

Chemicals)

Dabco SI3504

Silicone-polyether copolymer

Air Products

Amine catalyst (Dabco®33LV)

33% triethylenediamine in 67%

Dipropylene glycol

Air Products

TincatalystT-9

Stannous octoate catalyst

Air Products