SEALTEX ST-2058無石棉墊片材料獲得ELL Cert.2018飲用水認證
 ELL Cert.2018 (former KTW)
This Guideline can be used to assess elastomers in contact with drinking water within the meaning of the Drinking Water Ordinance
This is the main standard for elastomer materials in contact with drinking water in Germany.
“ELL證書2018（原KTW）。
本指南可用于評估“飲用水條例”含義范圍內與飲用水接觸的彈性體
這是德國與飲用水接觸的彈性體材料的主要標準。”
SEALTEX ST-2058獲得的證書有：KTW ELL、DVGW W270，Lloyd’，VP401，RoHS，REACH