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LIZMONTAGENS - EMPRESA DE MONTAGENS TERMO-INDUSTRIAIS, S.A. Industrial Products Division
Telef.: +351-214 210210 – Fax:+351-214 210180
E-mail: lizmon@lizmon.com
Web: www.lizmon.com
standards apply, a qualified industrial hygienist can assist with a specific workplace evaluation
including recommendations for respiratory protection. Examples of exposure limits for respirable dust (in January 2002) are given below:
Document 1 – 01082015 (SDS Number 100)
COUNTRY
EXPOSURE LIMIT*
SOURCE
Respirable dust
Crystalline silica
Quartz
Cristobalite
Germany
3 mg/m3 or 6 mg/m3
0.15 mg/m3
0.15 mg/m3
TRGS 900
France
5 mg/m3
0.10 mg/m3
0.05 mg/m3
Décret 97-331 du 10 avril 1997
U.K.
4 mg/m3
0.30 mg/m3
HSE - EH40
* Gravimetric concentrations of respirable dust – 8-hour time weighted average.
EXPOSURE CONTROLS & PERSONAL PROTECTION
Protect eyes from dust. Use gloves and overalls as normal protection against dusty materials.
Use respiratory protection equipment as described in section 4.
In a dusty situation respiratory protection equipment should be used to provide a minimum nominal
protection factor (NPF) of 10 5BS 4275), and to meet the requirements of BS2091 for half mask dust respirator,
and BS6016 for disposable filtering mask respirators.
9. Physical and chemical properties
9.1.- Appearance
Grey/White coloured mixture of fibres and powder
9.2.- Odour
None
9.3.- pH
Up to 12 when slurried with water
9.4.- Melting point
Around 1500°C
10. Stability and Reactivity
10.1 - Reactivity
Does not occur
10.2 - Possibility of hazardous reactions
None
10.3 - Conditions to avoid
Storage in humidity, the material is highly alkaline when wet.
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