| 摘要 |
PROBLEM TO BE SOLVED: To prepare a polyurethane gel excellent in mechanical characteristics and further capable of being easily disassembled. SOLUTION: This polyurethane gel has a hardness of <=30 (according to Asker C), a tear strength of <=0.5 Mpa (according to JIS K 6251), and an electrical conductivity of <=10-8 (s/cm).
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