USE Products Ltd. - Application Guide

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Technical Data

Hydrostatic Pressure	Positive Pressure	Negative Pressure
	752 hours at 140 m(461 ft) water head (1.4N/mm2 - 200PSI) exhibits no leakage and no softening.	664 hours at 140 m(461 ft) water head (1.4N/mm2 200PSI)limited dampness.

Physical or Performance Property	Test Method	Typical Value
Compressive Strength	ASTM C 109	3 days = 44MPa(6400psi) 7 days = 51MPa(7400psi) 28 days = 60MPa(8700psi)
Tensile Strength	ASTM C190	7 days = 6MPa(850psi)
Flexural Strength	ASTM C293	7 days = 13MPa(1860psi) 28 days = 16MPa(2375psi)
Bond Strength to Concrete	ASTM C882	8MPa(1200psi)
Water Absorption		ASTM C67 1.5%
Abrasion Resistance	ASTM C 807	20 to 25 minutes at 700F (210C)
Accelerated Weathering	ASTM G23 ASTM D822	2,000 Hours (Carbon Arc)
Salt Spray Resistance	ASTM B117	300 Hours - Pass
Freeze-Thaw Resistance	ASTM C666 Procedure B	200 Cycles - Pass
Fungus Resistance	ASTM G21 five fungal cultures	No Fungal Growth after 21 days
Water Vapour Transmission	ASTM E96	Satisfactory move ment of water vapours at differential pressure of 75 Pa.
Breathability	ASTM E283	1.08L/min
Air Leakage	NRC Can	Type III Air Barrier
Chemical Resistance	ASTM C267-77 “Chemical Resistance of Mortars”	no detrimental effects on the U-Seal when exposed to dissolved methane gas, blood, wine, milk, ammonia, raw sewage, tap water.

Conductance results for “K” values	Substrates	Negative Pressure
	Concrete	wet condition 25 dry condition 10
	Expanded Shale Block	wet condition 11 dry condition 4
	Pumice Block	wet condition 5.5 dry condition 2

Approvals:
Pass BS6920-1996 “Suitability for Non-metallic Products for Use in Contact with Water Intended for Human Consumption” and approved by the Bermuda Department of Health for use in coating water catchment for human consumption. Approved for Coating Walls & Floors in Registered Establishments Food Production, Agriculture Canada. Has been shown to act as a barrier to the infiltration of radon gas. Approved for waterproofing of vacuum buildings at Candu Nuclear Power Stations.