25kg/bag,or as the requirement of your requirements
Within 10 days after the order confirmation.
2.Free samples are available
4.for water treatment
Volcanic stone filterhas many better special functions than any other stone products,besides the general features same as the common stone materials it also has many other special features such as sound absorbing and insulation,heat absorbing and preservation,water absorbing and slide proof,Acid & alkali proof."Breathing function" etc.,and it is called "Functional stone materials" by the specialists in the stone materials line .It can be used safely in any places for its low radiation:and it is wind erosion proof and durable:Its function of sound absorbing and noise lowering is fit for improving the hearing environment: it is natural, primitive simplicity keep off the dizzy light,is fit for improving the visual sense environment.
Friction loss rate
Organic matter removal
Start time for hanging film
Hydrochloric acid soluble rate
Containing beneficial micro-minerals and trace elements
Ammonia, nitrogen removal
Full particles, similar to the globular
It is so called as Functional Stone" which can be used safely in any places for its low radiation, wind erosion-proof and durability, sound absorbing and noise lowering, water absorbing and air humidity keeping, dizzy light avoiding, etc. in improving our environment and feelings.
Therefore, this volcanic stone material can be used widely in outer wall decoration, such as road , square paving, living district gardening, etc. to meet our needs of nature, primitiveness, simplicity, classicalism.
We can supply various kinds of finished volcanic stones with differently treated surfaces, such as honed, polished, bush hammered, etc., with all kinds of shapes and thickness
Gongyi Shengquan Water-purification Materials Factory was founded in 2003, specialized in the water purification materials and equipment in mainland China, and has been identified as a professional product promotion factory by the Ministry of Construction. For many years, Gongyi Shengquan has been cooperating with University of Geosciences and Peking University and continually optimizing the industrial structure. Respectively, Gongyi Shengquan has set up production bases in Wenxian County, and ... View detail