National Urethane Industries [Pty] Ltd
Waterproofing in Kempton Park

National Urethane Industries [Pty] Ltd is a larger  South African polyurethane systems house producing polyurethane hot / cold cure elastomers, POLYBRON, ULTRAFLOW, ULTRABIND, ULTRAFLEX, ULTRACURE, ULTRATHANE, ULTRACRETE, ULTRATECH, ULTRASEAL, ULTRAPRIME, ULTRAFILL, ULTRACATT, ULTRACOTE, ULTRADOME, ULTRASPRAY, release agents  and pigments .Our brand names include ULTRACAST,   wood adhesives, paint systems, field joint coatings/linings/repair systems, spray systems elastomeric  / polyurea / rigid polyurethane spray pipeline coatings and linings,  bakkie linings,  tyre fill , bonding agents / primers , joint sealants, waterproofing / flooring systems, doming resin, POLYSHIELD.

Calculation of the required amount of 600d to cast with a hot cure (mdi based prepolymer) Calculation of the required amount of moca (mbca) to cast with a hot cure (tdi) Any technical assistance or advice given by any employee of the supplier has been given in good faith and to the best of the employee’s knowledge. However, the supplier cannot be held liable in the event of such assistance or advice being misinterpreted or being in any way, or from any cause incorrect, invalid or mistaken. The combination of these two components through a suitable dispensing machine produces a tough urethane elastomer with excellent physical properties, abrasion and hydrolysis resistance. Calculation of the required amount of moca (mbca) to cast with a hot cure (tdi based prepolymer) Additions to be made to compensate for hang-up in degassing & melting pots. There is always resin left behind in a degassing vessel or melting pot. Keep records so that you are aware of what happens in your plant. It is equally important to have enough material ready to cast. Measure the inner dimensions of the mould and calculate. Keep records so that wastage can be kept to a minimum. Always take care to use the same units in a calculation. It is often easier to change them all to the same unit before starting.