Heating method can also be used for the identification of powder pesticides. Take 5-10 grams of pesticides and heat them on a piece of metal. If a large amount of white smoke is produced, and there is a strong pungent smell, it means that the medicine is good. Otherwise, it means that it has failed.
The floating method and the suspension method are used to identify the wettable powder pesticide. The floating method and the suspension method can be used. First, take a cup of 200g of water, then weigh 1g of pesticide, gently and evenly spread on the water surface, carefully observe: wet in 1 minute It can be dissolved in water, indicating that it is a pesticide that has not expired, otherwise it is a failed pesticide. It is also possible to take 30-50 grams of pesticides, put them in a glass container, first add a small amount of water to make a paste, then add 150-200 grams of water to mix well, and let stand for 10 minutes to observe, wherein the pesticides that have not failed are well soluble, the liquid The suspended particles in the medium are fine, the sedimentation rate is slow and the amount of sedimentation is small, and the pesticide is reversed.
Dilution method The dilution method can also be used to identify emulsion pesticides. Take 50 grams of pesticide, put it in a glass bottle, add 150 grams of water, shake it vigorously and let it stand for 30 minutes. If the liquid is uniform milky white, and there is no oil on the oil, there is no precipitation, indicating that the agent is good, otherwise it is a pesticide. And the more the upper layer of oil, the worse the drug.
The Description of Crimped Wire Mesh ( Stainless Steel Crimped Wire Mesh )
Crimped Wire Mesh is also called square wire mesh. Wire will be crimped before woven, crimped wire mesh own stable structure, good strength and uniform mesh. Our crimped wire mesh is good in quality and competitive in price. We are manufacturer and supplier of crimped wire mesh.
Crimped Wire Mesh Material:
Stainless Steel Wire, Low carbon steel wire, Middle carbon steel wire, Brass Wire, Aluminum wire, Nickel wire, Flat wire.
Stainless Steel Wire Mesh Weaving:
Crimped before weaving, double crimped, single crimped.
Crimped Wire Mesh Application:
Stainless steel crimped wire mesh is mainly used in foodstuff, mine, chemical industry, pharmacy, metallurgy, machinery, protection, construction,mining, coal plants, petrochemical industry, construction arts and crafts, roasting of flour food and meat.
Packaging & Delivery time:
Packaging: Inside: Plastic bag, Outer: Wooden pallets
Delivery time: 20days after received the payment
Company Description:
Hebei Bangda Metal Products Co.,ltd is responsible for the production and Hebei Dongshengyuan Trading Co.,ltd is in charge of export business. The two company as a whole, be short of one cannot.
Hebei Dongshengyuan Wire Mesh Factory is a full service manufacturer of wire, Woven Wire Mesh and wire processed products. Started since 1985, Dongshengyuan can supply good quality stainless steel wire mesh, Chain Link Fence , vibrating screen wire mesh, fiberglass mesh, U Type Wire , Pvc Coated Wire , wire mesh fences, expanded metal, perforated metal and various wire products.
Dongshengyuan products are widely used in petroleum, rubber, building, auto industry, sifting of grains, filtration of air and liquid, etc. We export to USA, Germany, South Korea, Belgium, and Southeast Asian countries and have established long-term and friendly business relationship with our foreign customers.
We have full range of production equipment, advanced technology, scientific management and inspection system and we can meet the exact requirements of our customers for various wire mesh products.
Our service:
1. Any inquiries will be replied within 24 hours.
2. Professional factory for 20 years with advanced facility.
3. Quality guarantee
A. All products will have been strictly inspected by our inspector before packing.
B. Welcome you to our factory to supervise the production processing and inspect
the goods quality at any time.
C. After receipt of the goods within 15 days, have any quality problem,you could raise an objection.
4. Fast delivery
Sample order in stock, will be delivery within 3 to 7 days.
The goods will delivery on time according to the contract.
5. Payment
T/T, L/C, Western Union, Escrow.
6. Shipping
By sea, we also have strong cooperation with DHL, TNT, UPS, FEDEX, EMS.
7. Best Service after-sales
At any time,all free service
Strong Team! Best Quality! High Integrity! Commitment !
Crimped Wire Mesh
Crimped Wire Mesh, Stainless Steel Crimped Wire Mesh, Square Hole Crimped Wire Mesh, Galvanized Crimped Wire Mesh
Hebei Dongshengyuan Trading Co.,Ltd. , http://www.wiremeshdsy.com