thods of application
Steel pipe surface treatment :rust removal removal , removing welding slag ,burr ,oil and keeping dry and clean ,manual rust removal should reach St3 ,mechanical St2 ,meeting the request of SYH4007-86.
Primer coating: adopting customized mating priming paint .keep away from fire .Spreading equably no matter brushing ,rolling or spraying .priming paint dosage for manual work 12/L ,mechanical construction 20/L.
3)、待底漆表干(一般5一10分钟后)即可缠带。
(4)、下沟回填:经质量检查验收合格即可下沟。
When surface dry (in 5-10minutes ),wrapping can be done .
After the quality inspection is done .the pipes can be put put back into the ditch and be buried .
各项检测指标大大高于SY/T0414—2017标准要求,完全达到美国ANSI/AWWAC209-00和NACEMR0274-95指标。是管道冷防腐施工胶带中的选择,也是防腐经济的选择。