(1) PVC pipe means that the main raw material for making pipe is PVC resin powder. The types of PVC pipes are generally divided by the use of pipes: drain pipes, water pipes, wire pipes, cable sheath pipes...
Because the raw material formulas are different, the pressure resistance of various types of tubes is different.
The PVC water supply pipe is matched with the water supply fittings for the water supply project of the building.
PVC drain pipe is used for sewage discharge...
Fourth, the method of distinguishing the quality of PVC pipe
(1) Look at the surface finish and whiteness first.
(2) Take the sample to fall, the person who is easy to break is generally a high-calcium product. Of course, it is ok to meet your requirements.
(3) Take the sample with the foot on the side of the pipe to see if it can crack, or the elongation at break after cracking.
(4) The weather resistance is very troublesome. The most direct way is to take a few days to get the high temperature and high light, to see the surface change rate, but it is a waste of time. Mainly look at the first three items just fine.
Wuxi Holly`s shooting clay target is an exciting enhancement to clay pigeon shooting.On impact from a high velocity projectile, such as a pellet from a shotgun, the target ignites in order to reflect a direct hit producing a pyrotechnic reaction.The reaction is effective and exciting, resulting in an explosion of white smoke, bright flash and a fairly loud bang.
Our shooting target is produced by new green clay materials, it is green environmental protection, no pollution and could be easily degraded. It could be used in professional shooting competitions.This type is smoking clay target.They're made from a mixture of pitch and pulverized limestone to achieve that calculus of durability and brittleness to break when hit by a few shotshell pellets.There are biodegradable targets that over time dissolve into the soil.
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Wuxi Holly International Trading Co., Ltd , https://www.hollynbrs.com