Abrasive sanding sponge block

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Product Description:

Sanding sponge is one of the ideal grinding material which coated with aluminum oxide or silicon

carbide

Specification:

Grits: P60~~P220

Grain: aluminum oxide or silicon carbide

Usage: sanding metal, paint, plastic and furniture

Size: 100*75*25mm or as client’s request

Packaging: with carton



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Q:How do use geomembrane to prevent sewage seepage?
Q:What is the difference between high density glass wool board and stereoplasm rock wool board?
Centrifugal glass wool uses glass as the main raw material. Glass mixed with a certain percentage of other materials should be fully melted in the glass furnace. The melted solution will flow out of bushing and enter into the centrifuge.In the high speed centrifuge, glass will be thrown into a glass thin stream. Under the effect of high temperature and high speed flame, glass thin stream is further stretched into fibers and sprayed with foggy adhesive. In the effect of negative pressure wind cotton webs, the fibre with resin adhesives falls on mesh belt, forming a homogeneous cotton blanket and then it is solidified in thermostat curing oven. After the shape of it is fixed, the glass wool will become predetermined products after cut and then be packed.The main raw material of rock wool products is fine basalt rock. The basalt rock is made into inorganic fiber after meited under high temperature and processed in the high-speed centrifugal device. Then the arrangement structure of the fibre is changed after it is add with special binder and dust laying oil and put in a special device. In the last step, the product is solidified and become a new lightweight thermal insulation material. Depending on the application, it can be processed into wool board, rock wool blanket and wool shell.Compared with rock wool, glass wool is of lower unit weight, less shot content, lower thermal conductivity, long service life and high tenacity fiber, rock wool. However, the maximum operating temperature of rock wool is about 600 degrees Celsius while the glass wool is only about 260 degrees Celsius.Glass woolwool is generally used in thermal insulation part less than 200 degrees Celsius and is mainly used for thermal insulation in general buildings or low temperature pipes. Rock wool is generally used at thermal insulation part with the temperature of 500 degrees Celsius and is mainly used for heat perservation of of high temperature heat pipes or electrical equipment.
Q:How to choose the geomembrane?
You should try to choose imported geomembrane. The domestic geomembrane all uses reused materials, which has a great impact on the life of the geotechnical membrane. The materials and production process control of the geomembrane are much better. The geomembrane of Canadian Soma (Solmax) which is the largest geotechnical membrane manufacturers all over the world. You can go online to search it.
Q:What materials does geomembrane belong to?
Foam material
Q:Are geotextiles the equivalent of geomembranes?
No. Geomembranes are completely waterproof. Geotextiles are always wet.
Q:Geomembrane design
Q:How many square meters of geomembrane is checked at a time?
Geomembrane category HDPE geomembrane, LDPE geomembrane, EVA geomembrane, PVC geomembrane, matte geomembrane and other composite geomembrane products are mainly used in civil engineering dams, reservoirs, highways, railways, construction and industrial pollution waste, waste water seepage-proof treatment, etc., which takes the woven fabric as substrate and is composed by monolayer or multi-layer plastic film of the same kind impermeable material main products: The price of cloth membrane, two cloth membrane kind of geomembrane is generally around 11000-13000yuan/ton geomembrane is calculated by product specification or thickness
Q:How to remove the glass film
Hair dryer with uniform heating, high temperature cloth is easy to wipe again don't.
Q:What are the differences between glass wool felts and rock wool board in terms of appearance, and how to distinguish them?
First, the color. environmental glass wool is while, while rock wool is dark.
Q:What is the role of water-based plastic coated glue
The function is to improve the presswork surface's gloss, strength, and enhance the aesthetic effect of the method.

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