SVK - COMPOUND
Compound is composed of binder containing modifiedpolycondensed resin based on formaldehyde, acid hardener and inert filler. As binder it contains a mixture of phenol formaldehyde resin with toluene and organic alcohol of saturated or aromatic series. As resin modifier it contains para formaldehyde....
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | Compound is composed of binder containing modifiedpolycondensed resin based on formaldehyde, acid hardener and inert filler. As binder it contains a mixture of phenol formaldehyde resin with toluene and organic alcohol of saturated or aromatic series. As resin modifier it contains para formaldehyde. As acid hardener it contains a mixture of benzene or paratoluene sulpho-acid (or a mixture thereof) with orthophosphoric acid. Modifier and hardener compounds are in a proportion respectively of (1.5-3):1:6 at the following ratio of components, parts by weight: phenol formaldehyde resin 60-75 para formaldehyde 4-12 organic alcohol of saturated 5-15 or aromatic series acid hardener 22-24 toluene 1-3 inert filler 90-130. |
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