发明授权
US6002911A Cleaning blade 有权
清洁刀片

Cleaning blade
摘要:
A cleaning blade (11) is formed of a cured urethane composition of a polyisocyanate and a polyol. The cured composition has a crosslinking density of 8.5.times.10.sup.-4 to 11.0.times.10.sup.-4 mol/cm.sup.3 and a tan .delta. peak temperature of not greater than 10.degree. C.
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