Teach you how to choose a home waterproof material

First, environmental protection

Non-toxic, odorless and non-polluting are the basic requirements for indoor waterproofing materials. The scented waterproof coating is highly toxic and will prolong the carcinogen such as benzopyrene and must not be used for indoor waterproofing.

Second, no corrosion

Choose a waterproof material with a neutral pH to avoid acid return, alkali return, cracking and corrosion of metal parts after construction.

Third, long years of durability

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The waterproof parts of indoor bathroom, kitchen and other waterproof parts have large humidity, many pipelines, great leakage, and high rework cost. Waterproof materials with permanent leakage, anti-seepage and moisture-proof effects should be preferred.

Fourth, easy construction

The waterproof construction in the interior decoration is mostly done by ordinary plasterers. The simpler the waterproof material is, the better the waterproof construction quality can be ensured.

Five, reliable

Excellent choice. Choose brand products with high reputation, good reputation, high degree of anti-counterfeiting, and international quality system certification.

Hejian Deris Both manufacturer and distributor, specialize on the Diamond PDC Drill Bit / Steel Body PDC Bit / water well PDC Bit / PDC drill bit designed to run at high penetration rates even in applications that call for higher blade and cutter counts. Its unique cutting structure layout adds another dimension to bit stability and smooth running by combining the penetration rate potential of traditional "single set" cutter layouts with the life extending features of a "plural set" cutter layout. The result is a bit that runs up to 20 percent faster than conventional PDC bits with minimum bit wear. 

Steel body PDC bit size from 5 7/8"~17 1/2" . PDC mean polycrystalline diamond cutters 

Steel body PDC bit feature 

1. Double rows spiral five blades design, rational allocation if high quality small size PDC Cutters . The maximum local cutters equivalent density , improve the offensive and abrasive resistance of the bit

2. High quality arc PDC cutters gauge, reduce the abrasion of rock on the bit`s body, increase wear resistance and stability of the drill gauge  

3. Using a dynamic flow simulation technology to optimize the hydraulic design of the PDC bit, so bottom hole flow field optimization, enhanced PDC bit cleaning, cooling capacity, more optimum bottom hole flow pattern and anti-balling .

4. Medium hard formation with high compressive strength and abrasive, such as Limestone, Anhydrite, Dolomite and so on 

Table of classification of formation hardness and bit selection

Steel Body PDC Bit

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Hejian Deris Petroleum Drilling Equipment Co.,Ltd. , http://www.welldrillingbit.com