起订:1
发货:3天内
发送询价
功能：温度55℃±5℃，历经8小时±30分钟后，检查眼镜框样本是否有斑点或颜色转变
符合标准：QB/T 14214-2003
checking the spot or color changing of the frame sample at temperature of 55℃±5℃ after the duration of 8±0.5 hours.