Chong Hing perlite Description: Expanded Perlite is a naturally acidic glassy lava non-metallic minerals, including perlite, pitchstone and obsidian, but three different crystalline water content. Because of its volume at 1000 ~ 1300 ℃ high temperature rapid expansion of 4 to 30 times, it is referred to as expanded perlite. General requirements for expansion in multiples of> 7 to 10 times (obsidian> 3 times available), about 70% silica. Both open pit mining. No dressing, just crushing, screening can be. Chong Hing perlite note chemical composition: SiO2 68-74% silica, alumina about Al2O3 12% iron oxide Fe2O3 0.5-3.6% MgO 0.3% magnesium oxide, calcium oxide, CaO 0.7-1.0% K2O 2-3% potassium oxide Na2O 4-5% sodium water H2O 2.3-6.4% perlite Chong Hing main purposes: perlite is an extremely versatile inorganic mineral material, involving almost all fields. For example: ① oxygen machine, cold, liquid nitrogen and liquid oxygen transport as filling insulation material. ② for wine, oil, medicine, food, water filters and other products. ③ used in rubber, paints, coatings, plastics, and other filling materials and vasodilators. ④ for sensitizer. ⑤ used to adsorb the oil slick. ⑥ used in agriculture, horticulture, soil, water and fertilizer, soilless cultivation, soil improvement, pesticides like slow death. ⑦ for profiles with a variety of adhesives made with a variety of specifications and performance. ⑧ greater amount of insulation for industrial furnace roof and walls of the building on. The construction sector: thermal insulation, fire retardant paint, sound-absorbing panels and other pipeline insulation, cold insulation, filtration materials, set steelmaking process slag material, rubber and plastic filler materials, etc. Note: The addition of various manufactures perlite expansion so some perlite insulation properties, as a basic, adding different binders can be made to adapt to the different needs of the finished product. Can also be used as a filtering agent, catalysts, molecular sieves and carrier rubber, fertilizers, pesticides. Widely used in construction, metallurgy, petroleum, machinery, light industry, electricity, water, casting, medicine, food, agriculture, forestry, horticulture and other sectors. Often warm thermal conductivity of 0.0245 ~ 0.048W / (m · K), high-temperature thermal conductivity of 0.058 ~ 0.175W / (m · K), low-temperature thermal conductivity of 0.028 ~ 0.038W / (m · K), maximum use temperature 800 ℃. Used as efficient insulation, cold filler material. Chong Hing perlite works: perlite perlite ore is preheated, an internal expansion after calcination instantaneous honeycomb structure made of white granular material. The principle is: perlite ore by crushing the ore to form a certain size, preheated roasting, rapid heating (1000 ℃ above), ore moisture vaporization, softening the ore contains an internal glassy swell to form a porous structure, volume expansion 10-30 times the non-metallic mineral perlite expansion technology and in accordance with its purposes are divided into three different forms: open hole (open cell), obturator (closed cell), a hollow hole (balloon). Chong Hing perlite material advantages: perlite insulation of its good performance, superior performance and stability are well accepted by the market and exert its effects, and a wide range of applications, universal usefulness, especially in fire-resistant thermal insulation aspect exhibits excellent performance. Breakdown of performance, it can be said numerous. Not only has a good environmental performance, there is a wide range of applications, economic and social values, the construction is extremely convenient, easy maintenance, impact performance is better than any other type of insulation material, excellent anti-heat performance, but also a better fire resistance. Where durability and buildings with life, completely broke the organics wall insulation average life of 25 years boundaries. Because rock inorganic insulation system can be inorganic product, never aging. And seamless construction sector, and thus the formation of the whole building plastic plastic wrap protection. Under normal conditions, in case of dry, cold, heat, moisture, galvanic corrosion or insects, fungi or algae growth, and because of jagged animals destroyed, and various other objects hit attack, do not cause damage, greatly extend the building life. The useful life of insulation materials and buildings with life. The factory provides a variety of uses zeolite powder, bentonite, lithium-bentonite, sodium bentonite, horticultural perlite, air separation plant with perlite, do washing powder with pearlescent sand, perlite filter aid, perlite insulation board, building with glass beads, perlite Cleaner, opening perlite, closed-cell perlite, expanded perlite and other non-metallic mineral products, according to customer request processing various indicators of perlite products.