Horticultural perlite Details: landscaping with large particles of expanded perlite, perlite is separated from through fine filters, the particle reaches 3-7 mm. Its internal honeycomb structure particles are non-toxic, odorless, does not rot, burn, acid and alkali. For agriculture, gardens, flowers, fertilizer, water, sterile, good air permeability. Its characteristics are: 1, saturated absorbent weight 450-600kg/m3 (general soil about 1800 kg/m3), an effective solution to the problem of load building structure. 2, permeability coefficient 200mm/hr, can effectively prevent siltation hazards. 3, the effective moisture content of up to 45% effective closure rain. 4,100% pure inorganic growing media, physical and chemical indicators of stable, long-term cultivation of plants without soil replacement. 5, the product of a porous greatly contributed to the imaginary plant root growth and development of trees has excellent fixation, while overcoming the tree root damage to the building structure. 6, clean and odor-free, simple construction, easy to conservation. Applications: It can be widely used in urban greening, gardening nursery, lawn planting, transplanting trees, roof garden, underground parking, ecological bridge, sun hall, patio pot, Dodo field and improvement of saline and other green projects, and suitable for high-grade flowers and pollution-free soilless cultivation of economic plants, ecological horticulturists superbly plant material. Perlite bags Specification: 50X90 cm 53X90 cm 60X90 cm 60X108 cm expanded perlite product specifications :0.5-1 .5 MM 1-3mm 2-4MM 3-7MM each of perlite in the use of different specifications and price are different for example: building houses face just use the most common perlite lowest price, but you must use the fire door factory Perlite is no dust particles, perlite many varieties also use involves many aspects, but whether you are doing What, please use Chong Hing perlite plant. We sincerely hope you will spend the lowest cost to buy the most affordable products, we are willing to use the concept of mutual profit and your common development into the future together!