Wood wool

Excelsior (for fire tests) Fire classification Wood wool... 

Prices for a k-value (thermal transfer coefficient) of 0.2 in /m Mineral wool 5- 17.5 polystyrene 10 polyurethane 15 -20 cork 50 wood wool-lightweight building board 100, cellulose 12.5-20 (loose) or 20 (plates) (ENRW 01). 

A 30 or 40 per cent by volume hydrogen peroxide is used as bleach for silk, wood, Wool, bones, teeths, feathers, mother of pearl, hom, hair, coral, gelatine, oils and fats. In medical science it is an excellent disinfectant and is also essential for sterilizing water for municipal use and preserving milk. Apart from this, hydrogen peroxide is used in the chemical industries for the manufacture of persalts and in laboratories for oxidation. 

Dr Westcott, who was a London coroner, had a financial interest in the Sanitary Wood Wool Company, suppliers of surgical dressings. At that time the G.D. s inner circle met at its Hatton Garden premises. 

Wood wool or wood shavings, powdered sodium peroxide, mineral or tap water. 

Prior to the demonstration a quantity of wood wool or wood shavings is placed in the beaker and covered with a layer ol powdered sodium peroxide. The experimentalist takes a drink of the water he will use to ignite the wood to show the public ihai ii is normal water and then pours a little of it over the contents of the beaker. The wood shavings very quickly start to burn and in a few seconds ihev are converted to ash. 

There are three types of regenerated natural fibres - rayon, acetate and protein -the first two are derived from cotton linters or pine wood. Wool like protein based artificial fibres may be regenerated from animal and vegetable proteins. 

The direction of the flow of the water through the softener is shown by the arrows. It emerges through a wood-wool filter, intended to catch any remaining undissolved calcium carbonate, into the soft water section from which it is withdrawn as required. 

Cushioning materials in widespread use include air bubble sheet, cellulose padding, cork-based granules/sheet, corrugated plastic comers, corrugated sleeves, embossed paper, expanded polystyrene, other expanded plastics, foam in place, free flow polystyrene, sawdust and shavings, straw, wood wool. 

Roofs Corrugated roofing sheets Sisai Coir/wood wool Bamboo AMPRI, Bhopal CBRI, Roorkee IPIRTI, Bangalore... 

Mineral binders Cement and gypsum have limited, but increasing, use as binders. Portland cement is used in producing wood wools slabs and cement-bonded particle board. Only a limited number of species, such as spruce, can be used, since most species contain chemicals that inhibit the curing of the cement. 

Individuals exposed to colophony in pine wood, sawdust and wood wool may develop hand dermatitis and dermatitis due to airborne exposure (Burry 1976 Daly and Stevenson 1984 Meding et al. 1996 Watsky 1997) The prevalence of contact allergy to colophony among the employees in a factory for production of tail-oil rosin was found to be in accordance with that of dermatitis patients and, thus, was higher than in the general population. However, the clinical symptoms were rare. A healthy-worker effect can not be excluded (Farm et al. 1994). 

Daly BM, Stevenson CJ (1984) Contact dermatitis to wood wool. Contact Dermatitis 11 123... 

Holzzucker, Xylose wood tar Holzteer wood vinegar/pyroligneous acid Holzessig wood-wool Zellstoffwatte,... 

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