Yulong pipe lubricant is used to lubricate the secondary lined concrete delivery pipes of tunnels

1. technical introduction this product is formulated with a variety of polymeric materials. it will dissolve quickly after mechanical stirring for 2-5 minutes at room temperature, forming a viscous, smooth and transparent liquid. this achieves the purpose of pumping concrete without using mortar. when using this product, first put 20-30 kg of water in the…