20 The Litharge
Charollais x pounds 36 Cooper House Blackface pounds 27 The Heigh, pounds 24 The Hott, pounds 22.
20 Yatesfield, pounds 50 The Litharge
, Whins Farm & Nilston Rigg 108.
pounds 120 South Rennington, pounds 109 Rouchester, pounds 104 & pounds 102 South Rennington, pounds 102 Colwell Hill, pounds 101 Tenter House, pounds 100 Brown rigg, Lowes Fell & Tenter House (x2), pounds 96 Brownrigg & Stotsfold, pounds 95 Flotter ton (x2), The Litharge
, East Beechfield & Rouchester, pounds 94 Flotterton, East Beech field & South Rennington, pounds 92 The Litharge
, Brown rigg, East Beechfield, Stots fold, South Rennington & Woodhall, pounds 91 East Beech field, West Land Ends, High Lane House & The Heugh.
In some halogenated polymers, such as chlorinated polyethylene (CPE), chlorosulfonated polyethylene (CSM), polychloroprene (CR) and epichlorohydrin (ECO), additives such as litharge, red lead, dibasic lead phthalate and dibasic lead phosphate are used to scavenge HCI produced in crosslinking, as well as from degradation during processing (ref.
The same considerations motivated the use of litharge in place of zinc oxide in SBR insulations for use in wet locations (ref.
Except for litharge and red lead, dibasic lead phthalate is the lead stabilizer most widely used in elastomers.
Table 2 Lead stabilizer Low extractable blend Dibasic lead phthalate X-1129 Dibasic lead phosphite X-1179 Tribasic lead sulfate X-1132 Litharge X-1141 Red lead X-1185
The litharge is implicated in converting the intermediate N-hydroxy compound the corresponding secondary amine (figure 11).
Crosslinking can be effected by the action of zinc oxide, magnesium oxide, litharge alone or in combination, and almost always with the aid of a solubilizing activator, such as stearic acid, zinc stearate or zinc octoate.
Inorganic materials such as zinc carbonate, litharge
, magnesium oxide, etc.