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一、石油沥青油毡的外观质量应符合哪些要求?石油沥青油毡的外观质量应符合以下要求:1.成卷油毡应卷紧、卷齐;卷筒两端的厚度差不得超过0.5cm,端面(端头表面)应整齐,里进外出不得超过1cm;2.成卷油毡在气温10～45℃时,应易于展开,不得粘结和产生裂纹;3.油毡纸胎必须浸透,不应有浅色夹层和斑点,涂盖材料宜均匀地涂盖纸胎两面,不应有纸胎外露和冷油造成
First, the appearance quality of petroleum asphalt linoleum should meet the requirements? The appearance quality of the asphalt asphalt linoleum should meet the following requirements: 1. The roll linoleum should be wound tightly and rolled up; the thickness difference between the two ends of the roll must not exceed 0.5cm, the end face (end The surface of the head shall be neat, and shall not exceed 1cm in and out; 2. When the roll linoleum is at a temperature of 10 to 45°C, it shall be easy to unfold and must not be bonded or cracked; 3. The felt must be soaked in the paper-felt and should not have a light color. Interlayers and spots, cover materials should be evenly coated on both sides of the paper tire, there should be no exposure of the paper and cold oil