Home > overview analytical services > SEM // Analysis mineral wool
CRB GmbH | Analysis of artificial mineral fibres | © CRB Analyse Service GmbH

Analysis of so-called old mineral wool for WHO-fibres and the 'Kanzerogenitätsindex KI'

Our services

 

We offer the classification of so-called old mineral wools or of those mineral fibres without RAL Quality Mark regarding its carcinogenic potential by 

 
  • Testing of man-made mineral fibres for the presence of WHO-fibres by means of Scanning electron microscopy, SEM
     
  • The determination of the 'Kanzerogenitätsindex, KI' according to BIA-procedure 7488

general information on the topic of mineral wool

             
 

WHO-fibres

 

According to TRGS 905 inorganic fibres with a size of: length of > 5 µm, diameter < 3 µm, length/diameter ratio > 3 : 1, asbestos excepted.

 

 

Costs for the analysis for WHO fibres

 

Analysis by means of scanning electron microscope, SEM, as a material sample according to VDI guideline 3866, page 5 for € 62net (€ 73.78 VAT incl.)

 

Price list

 
     
             
   
     
             
 

'Kanzerogenitätsindex KI'

 
The Kanzerogenitätsindex, KI, is a nondimensional value and calculated from the chemical composition of the mineral fibres to be tested.
According to the BIA procedure 7488, the KI results from the mass contents in % of Na2O, K2O, CaO, MgO, BaO and B203 less twice the mass content of Al203
 
Vitreous mineral fibres are classified according to their KI as defined in technical rule TRGS 905 as follows if their size complies with that of the WHO fibre definition: length > 5µm, diameter < 3 µm, length/diameter ratio > 3 : 1.
  • Vitreous WHO fibres with a Kanzerogenitätsindex, KI <= 30 are classified in category 1B.

  • Vitreous WHO fibres with a Kanzerogenitätsindex, KI > 30 and CI > 40 are classified in category 2.

  • The classification of vitreous WHO fibres as carcinogenic does not apply in case of a Kanzerogenitätsindex, KI >= 40.

Costs for the determination of the Kanzerogenitätsindex KI

 

Analysis of existing WHO fibres for the Kanzerogenitätsindex KI according to BIA procedure 7488 for € 112 net, € 133.28 VAT incl.

 

Price list

 
     

General information on man-made mineral fibres, MMMF

Mineral wools with the date of manufacture 1 June 2000 or later

  • All mineral fibres which have been marketed since 1 June 2000 have passed the relevant biocompatibility tests according to EU Law or German law and are considered as “New Mineral Wools” as defined by technical rule TRGS 521 and are therefore classified as non-hazardous.

Mineral wools with the date of manufacture 1996 until 30 May 2000

  • Mineral fibres that have been marketed between 1996 and mid-2000 might have been exonerated by biocompatibility tests or are classified as “New Mineral Wools” and not as CI 40 fibres and meet the criteria for exoneration from carcinogen classification according to the Ordinance on Hazardous Substances.
  • Hier bietet die Gütegemeinschaft Mineralwolle e.V. einen Test an, ob Mineralwollen aus diesem Zeitraum freigezeichnet wurden.

Mineral wools with the date of manufacture 1995 and earlier

  • All mineral fibres with the date of manufacture 1995 and earlier are considered as 'Old Mineral Wools' as defined by technical rule TRGS 521 and are therefore to be classified as hazardous according to TRGS 905.

Mineral wools with an unknown date of manufacture

  • German sets of rules and regulations for built-in mineral wools with an unknown date of manufacture, without RAL Quality Mark or the evidence of biosolubility provide no possibility to differentiate between so-called old and new mineral wools.

  • A carcinogenicity test according to paragraph 3 or the determination of the in vivo biosolubility according to paragraph 4, chapter 2.3 TRGS 905 is barely possible in the case of built-in mineral wools.

  • Accordingly the only assessment criteria for those mineral wools are TRGS 905, chapter 2.3, paragraph 1, WHO fibres and the Kanzerogenitätsindex KI.  A footnote of TRGS 905 states the following:

    “Using the Kanzerogenitätsindex KI for the determination of WHO fibres as carcinogen may have the result that WHO fibres with a KI >40 are classified as carcinogenic although a cancerogenicity test according to paragraph 3 or the determination of the in vivo biosolubility, chapter 4 cannot lead to a classification as carcinogen. That means that WHO fibres with an index of less than 40 are to be classified as carcinogen merely for reasons of precaution although further testing might refute this classification. …”

Conclusions

A subsequent liability declaration of built-in mineral wool by means of biosolubility tests is not possible. The assessment of old mineral wools according to TRGS 521 or of such mineral wools with an unknown date of manufacture is based on German regulations (TRGS 521, TRGS 905) by testing for respirable WHO fibres and the determination of the Kanzerogenitätsindex KI provided that they are not generally classified as carcinogenic.

 

Order inquiry & contact

  • phone: +49 (0)5505 // 940 98-0
  • fax: +49 (0)5505 // 940 98-260

News

Oct 27, 2017

360-Grad-Einblicke in unser Asbest-Analyse-Labor

Wie sieht es eigentlich in einem Asbest-Prüflabor aus? Erkunden Sie unsere Geschäfts- und Laborräume mit Google Street View, um einen Eindruck zu erhalten, wie wir mit akkreditierten Analyse-Verfahren Ihre Proben auf gesundheitsgefährdende Stoffe wie Asbest oder künstliche Mineralfasern prüfen. ... read more

Sep 14, 2017

Bestimmung von Asbest in Putzen, Spachtelmassen und Fliesenklebern – Neue Richtlinie VDI 3866, Blatt 5:2017-06 widersprüchlich

Uneinheitliche Vorgaben der neuen VDI 3866, Blatt 5 von Juni 2017 zu Probenpräparation und Analyse von Asbestproben erschweren die Arbeit im Asbestlabor bei der Untersuchung von Putzen, Spachtelmassen und Fliesenklebern mit Asbestgehalten < 1 Masseprozent. ... read more

Aug 3, 2017

Forschung aktuell: Asbest in der Lunge bleibt unvergängliches Krebsrisiko

Neue Forschungsergebnisse zur Biobeständigkeit von Asbest in der Lunge bestätigen die Gefährlichkeit von Asbest ... read more