Stone wool

TECH Slab MT 4.1 Alu2/V1

Standard-Plus performance robust stone mineral wool slabs

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Description
Key Benefits
Technical Characteristics
Standard Dimensions
Characteristics
Applications
Documents

Description

TECH Slab MT 4.1 is the medium-weight robust stone mineral wool slab for the insulation of industry tanks and vessels, exhaust ducts and stacks or other equipment with a maximum service temperature of up to 640 °C. It combines standard-plus thermal and acoustic performance.

TECH Slab MT 4.1 is available with AS-Quality (Cl- ≤ 10 ppm) when in contact with austenitic steel structures. On request with yellow glass veil facing (V1) or reinforced aluminium facing (Alu2).

Key Benefits

Sound absorption
High service temperatures
Reduced carbon footprint
Fire reaction
Mechanical resistance

Technical Characteristics

	Symbol	Unit	Quantities and declared values	Standard
Specific thermal capacity	Symbolc	UnitkJ/(kg·K)	Quantities and declared values1.03	StandardISO 10456
Reaction to fire	Symbol-	Unit-	Quantities and declared valuesNon combustible; Euroclass A1 Euroclass A2-s1,d0 for TECH Slab MT 4.1 Alu2 Fire Spread Index = 0; Smoke Development Index < 20 Fire Spread Index ≤ 25; Smoke Development Index ≤ 25 for TECH Slab MT 4.1 Alu2	StandardEN 13501-1 ASTM E84
Water behaviour	SymbolWS	Unitkg/m²	Quantities and declared values No short term water absorption by partial immersion (WS1 ≤ 1 kg/m2)	StandardEN ISO 29767
Chemical behaviour	Symbol-	Unit-	Quantities and declared valuesLeachable chloride content less than 10 ppm (CL10) Do not contribute to corrosion of stainless steel	StandardEN 13468 ASTM C795/871
Application field			Quantities and declared valuesProduct for use in technical applications, such as tanks and vessels, exhaust ducts and stacks or other equipment with need for good thermal and/or acoustic insulation at high process temperatures	StandardEN 14303
Material			Quantities and declared valuesStone mineral wool rigid board With quality marks EUCEB, unrisky regarding health according to regulation EC No 1272/2008 Note Q	StandardCINI 2.2.01
Facing			Quantities and declared valuesOn request: Reinforced aluminum foil (Alu2) Yellow glass veil facing (V1)	Standard-
Miscellaneous			Quantities and declared valuesDesignation code: MW-EN 14303-T4-ST(+)640-WS1	StandardEN 14303
Quality management			Quantities and declared valuesCE-marked according to EN 14303 ISOVER is certified according to EN ISO 9001 and EN ISO 14001	StandardEN 14303 EN ISO 9001 EN ISO 14001
Delivery form			Quantities and declared valuesPlease contact your local ISOVER dealer All dimensions require minimum order quantities Standard width: 500 mm 600 mm 1,000 mm Standard thickness range: 30 mm until 120 mm Other dimensions on request	Standard-

Thermal Conductivity

Characteristic	Symbol	Unit	Quantities and declared values									Standard
CharacteristicThermal conductivity	SymbolT	Unit[°C]	Quantities and declared values50	Quantities and declared values_100	Quantities and declared values__150	Quantities and declared values___200	Quantities and declared values____300	Quantities and declared values_____400	Quantities and declared values______500	Quantities and declared values_______600	Quantities and declared values________-	StandardEN 12667 ISO 13787 ASTM C177
CharacteristicThermal conductivity	Symbolλ	Unit[W/(m•K)]	Quantities and declared values0.041	Quantities and declared values_0.047	Quantities and declared values__0.055	Quantities and declared values___0.065	Quantities and declared values____0.089	Quantities and declared values_____0.118	Quantities and declared values______0.155	Quantities and declared values_______0.201		StandardEN 12667 ISO 13787 ASTM C177
CharacteristicThermal behaviour	SymbolT	Unit[°C]	Quantities and declared valuesMaximum service temperature 640 (under 500 Pa)									StandardEN 14706

Acoustic Parameters

Characteristic	Symbol	Unit	Quantities and declared values							Thickness [mm]	Standard
CharacteristicAirflow resistivity*	SymbolAFR (σ)	UnitkPa·s/m²	Quantities and declared values>40							Thickness [mm]>40	StandardEN ISO 9053-1
CharacteristicSound absorption*	Symbolα_p	UnitHz	Quantities and declared valuesα_w	Quantities and declared values125	Quantities and declared values250	Quantities and declared values500	Quantities and declared values1,000	Quantities and declared values2,000	Quantities and declared values4,000	Thickness [mm]-	StandardEN ISO 11654 EN ISO 354
CharacteristicSound absorption*	Symbolα_p	Unit-	Quantities and declared values1.00	Quantities and declared values0.26	Quantities and declared values0.87	Quantities and declared values1.06	Quantities and declared values1.04	Quantities and declared values1.05	Quantities and declared values1.12	Thickness [mm]50	StandardEN ISO 11654 EN ISO 354