Phenolic aldehyde colophonyAlso call bakelite, call bakelite pink again. It is formerly colorless or yellow, market sale often adds lubricious agent and show red, yellow, black, green, palm, blue wait for color, have grain, pulverous state. Be able to bear or endure weak acid and weak base, encounter strong acid happening to decompose, encounter alkali happening to corrode. Not dissolve at water, dissolve in the organic dissolvent such as acetone, alcohol. Phenol aldehyde or its ramification condensation polymerization and. Resorcinol is day colophony and synthetic resin two kinds, synthetic resin is to point to the colophony result that be synthesized by chemistry of classics of simple and organic matter or gets. Synthetic resin is basically divide the sex that it is solid and plasticity again two kinds. Because chemistry reacts and synthetic resin gets, and colophony is but, even if block colophony also is not,say to won't be burned. 1. Resinous is deposited should leave igneous cause first. 2. If temperature relatively, can reduce resinous to live life, general colophony regulation can retain half an year in 20 degrees, so, colophony should deposit the environment at warm end to fall, and often should check period of keep in storage. 3. If be below glazed circumstance, especially solar, need to count a day only, colophony will caky, so, in carriage process, colophony should be deposited counteract dark and ventilated place at metal drum. 4. Artificial synthetic resin learns the cross-linking agent such as agent styrene, volatilize very easily, the scale that can create environmental pollution to bring about colophony constituent is maladjusted, so, the tree points to when depositing must sealed. More and detailed report pays close attention to Www.cnfrp.com of answer ability network please