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STEEL PACKAGING CANS

Introduce:

Open Head Steel Pail

Steel Pail With Lock Ring Lid

Unique selling point:

Excellent sealing for seal ring at metal barrel lid inner

Excellent corrosion resistance

Extremely strong shock strength

Strict electric welding quality control at spot welding and seam welding

Open Head Steel Pail

ItemThicknessUpper Diameter(mm)Bottom Diameter(mm)Height(mm)
18L0.35295±1271±1329±1
20L0.35295±1271±1329±1

Open Head Steel Pail

For paint, coating

For other chemical products

For waterproof coating

For epoxy paint

Detailed technical specification

Inside & outside surface of lid and bodySmooth,round,no rust,non-scratching,no deformation
The cleanliness of the inside & outside surface on the lid and bodyInclusion-free, no grease dirt
CrimpingEven, no wrinkles,no burr,no tongue shape of iron under the crimping
Welding lineEven and smooth,no smelting welding slag
Paint filmUniform color,no apparent discoloration,no sagging,no bubbles
Outside paint film adhesionNot lower than 2
Inside paint film adhesion (suitable for internal coating buckets)MEK 2min
Welding point,Even,no breakdown,no discoloration,no blackened
HandleRound and smooth,no deformation,no shedding, non-scratching
Bucket weight(0.35,without lid)18L:1030±20g; 20L:1170±20g
Rubber ring for lidNo burr,even texture,coincident thickness
Rubber ring solvent resistance testWhether dregs,fade,corrosive,solvent resistance

Production  process

Pail Circle

Welding & Touch-up

Pail Stand Up

Expand

Pail Top Curl

Beading

Turner

Bottom Seaming

Ear Welding

Handle Insert

Pressure Monitoring

Finished Product Off Line

Structural features of packaging cans:

There are several unique sealing points between the packaging can body and the packaging lid to ensure no leakage of liquid.
The inner edge of the cover ias equipped with a ring of reinforcement to ensure that the accumulated load is transferred to the reinforcement.
The use ratio of raw materials increased by  7%  compared with the traditional process. Reduces multi-process, saves cost and improves production efficiency  by stamping the whole roll of laminated steel.
It can extend the service life of the bottom and lid, and the surface of the bottom and lids not easy to be damaged, reduce return rate and improve product satisfaction.

The advantages of steel cans

Materials with high temperature can be canned.
Can also be canned and stored at low temperatures.
Not affected by UV.
Steel cans are ideal containers for UV-sensitive cargo.
Less leakage.
Unique stacking method and strength save space for storage and transportation.

FAQ

Q: How many seaming is the best for steel cans?

A: China usually has 5 or 7 floors, which is also called 2 or 3 floors in foreign countries.

Q: What is the commonly used air tightness test for steel cans?

Test method: the tested package is immersed in water and inflated to make the pressure inside the package reach the specified value. The pressure control method shall not affect the validity of the test, and the leakage shall be observed. Equivalent methods can also be used. 

Q: What is steel cans sealant usually composed of?

Base materials, plasticizers, fillers, solvents and other auxiliaries.

Q: What tests do steel cans usually do?

Drop test, air-tight test, hydraulic test, stacking test, etc

Q:  What is the applicable scope of steel cans?

In addition to the field of drug packaging, it can be used in other fields such as chemical industry, food, local goods, hardware, minerals, building materials, mechanical and electrical equipment, injury products, military explosives and national defense industry

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