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KORODUR WH-Special

KORODUR WH-Special = Hard Aggregate to DIN 1100-A 0/4.

Hard aggregate in accordance with DIN 1100 (May 1979) based on a synthetic raw material base. High quality hard aggregates classified in coating group A, and specially suited for surfaces which are subjected to the most severe stress as regards wear and tear. They have a high tensile strength and are particularly resistant to impact.

Areas of Application:

For all hard aggregate concrete screeds acc. to DIN 18560 (1990) - ZE 65 A.

Extremely resistant to bumping and ramming stresses.

Suitable for use in areas with heavy iron wheel traffic and high impact unloading of sharp-edged work pieces etc. Suitable for use on stair treads which are subjected to heavy wear.

Able to withstand the sliding and rolling of work pieces, plant traffic of all kinds, fork-lift truck movement and crawler tractor traffic. Particularly suited for loading ramps and surfaces being subjected to the heaviest traffic.

Properties:

Resistant to Petrol, Mineral oil, Solvents
Highly wear resistant even under the most severe stress, fork lift-truck resistant
Waterproof, suitable for constantly wet areas
Non-skid, anti-slip even in the case of oil spills and in wet rooms
De-icer resistant
Non-rusting
Physiologically harmless
Not electrostatically chargeable
Easy to clean

Technical Data

Coating Group DIN 1100 - Coating Group A

	Techn. Data of hard aggregate acc. to DIN 1100		Specified Values of hard aggregate screeds acc. to DIN 18560-ZE 65 A
	acc.to DIN 1100 coating group A -average values-	acc.to test certificate external control DIN 1100 KORODUR WH-special	quality test	confirmation test
Tensile strength N/mm² nominal strength (smallest single value) serial strength (avg. value)	min. 10 - -	11,2 - -	- - >=9	- >=8 >=9
Compressive strength N/mm² nominal strength (smallest single value) serial strength (avg. value)	min. 80 - -	80,6 - -	- >=65 >=75	- - -
Wear cm³/50 cm²nominal strength (greatest single value) serial strength (avg. value)	^{max. 6,0 - -}	1,97 - -	- <=7 <=6	- - <=6
Bulk density kg/dm3	without norm	1,835	-	-
Granulormetric size composition	acc.to DIN 4226	acc to DIN 4226	-	-

Qualification test values = DIN 1100-values

Stress Groups for Hard Aggregate Concrete Screeds, according to DIN 18560 Part 5, Table 1

StressGroup	Mechanical Stress
StressGroup	description	Kind of frequency	Samples of classification
I Heavy	primarily rolling-grinding frictiion, percussion, pressure and impact	Traffic with hard wheels: More than 0,6 t axle load up to 200 vehicles/day up to 0,6 t axle load more than 200 vehicles/day Transportation of freight: deposit and rolling of heavy goods	Production, assembly and storage rooms for heavy goods, metal producing and processing factories, passage ways, airport construction, civil engineering hydraulics.
I Heavy	primarily grinding	Traffic with soft wheels: More than 5 t axle load up to 200 vehicles/day up to 5 t axle load more than 200 vehicles/day Pedestrian traffic: at very high traffic concentration Transportation of freight: grinding and sliding of very heavy lumpy and granular goods	Assembly and storage halls for heavy goods, motor-vehicle halls for heavy vehicles, fair halls, stadiums, railway platforms, stairs for public service, paper stores, bunkers, silos, courtyards used by traffic.
II Medium	primarily rolling-grinding friction, percussion, pressure and impact	Traffic with hard wheels: up to 0,6 t axle load up to 200 vehicles/day Transportation of freight: Deposit and rolling of medium-weight goods	Production and storage rooms for medium-weight goods, machinery, automobile and tool construction factories, plant traffic areas, courtyards used by traffic, passage ways
II Medium	primarily grinding	Traffic with soft wheels: up to 5 t axle load up to 200 vehicles/day up to 2 t axle load more than 200 vehicles/day Pedestrian traffic: at middler traffic concentration Transportation of freight: grinding and sliding of light to medium-weight lumpy and granular goods	Production and storage rooms for medium-weight goods, assembly halls, truck garage halls, highly frequented staircases and corridors.
III Light	primarily rolling-grinding friction, percussion, pressure and impact	Transportation of Freight: deposit and rolling of light goods	workshops, production and storage rooms for light goods
III Light	primarily grinding	Traffic with soft wheels: up to 2 t axle load up to 200 vehicles/day Pedestrian traffic: at low traffic concentration	storage rooms for light good: car parks, staircases and passage ways
In case of the occurance of stresses exceeding the values of stress group I, e.g. at the erection of heaviest machinery equipment or traffic of heaviest vehicles (crawlers), special precautions become necessary.

Group of Mechanical stress acc. to DIN 18560 (1990) Part 7, Table 1

Processing and consumption		Indoor Surfaces	Outdoor Surfaces
Processing and consumption		KORODUR WH-Special 0/4
Coating Group in acc. with DIN 18560, Part 5, table 1	Hard aggregate topping thickness in accordance with DIN 18560, Part 5, minimum thickness - avg. values -	Mixing Ratio 1 w.u. cement : 2 w.u. KORODUR WH-Special water-cement value 0,32 - 0,40	Mixing Ratio 1 w.u. cement : 3 w.u. KORODUR WH-Special water-cement value 0,32 - 0,40
I (heavy)	15 (10) mm	24 kg/M² hard aggregate	24 kg/M² hard aggregate
II (medium)	10 ( 6) mm	16 kg/M² hard aggregate	16 kg/M² hard aggregate
III (light)	8 ( 5) mm	13 kg/M² hard aggregate	13 kg/M² hard aggregate

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