Quantcast Enameling and Coating - Food Containers

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Custom Search
 
  
 
1-8.
ENAMELING AND COATING
The tin base must be treated to further protect the product and to protect from
adverse product reaction to the can. To further protect the steel base, enamels are
applied to the inside surface and coatings are applied to the outside surface of the can,
prior to can fabrication.
a. Enamels. Can enamels are the paint-like composition baked onto the interior
of cans to prevent the production of hydrogen gas and to prevent or inhibit unfavorable
reactions between the can and its content. They are inert, adhere tightly to the tin plate,
and will withstand stress. The type of enamel used is dependent upon the product to be
put into the can.
b. Coating. Coatings are the nontoxic, external paints, or enamels that are
applied for the purpose of preventing corrosion and providing camouflage. Coatings
must be nontoxic and must meet specification requirements, as required. The coatings
are precoated or postcoated. Precoated coating refers to a coating applied to the
exterior flat sheets of tin plate prior to fabricating the tin plate into cans. Postcoated
coating is applied to the exterior of food cans after they have been filled with food,
sealed, and processed.
1-9. CAN LABELING METHODS
Can labeling serves to identify the contents of the can as to contents, weight,
manufacturer, and processing plant. The labeling used on containers depends on the
product and its intended use.
a. Lithographing. Lithographing is printing which has been baked to the
surface of the tin by heat treatment. It is accomplished prior to coating the can. The
labeling is usually placed on the packer's end of the can but in some instances, it may
be on the can body. This process is often used for operational rations.
b. Stamping. Stamping is the application of marking with an inked stamp. It is
not bonded to the surface of the tin with heat, although it may be subjected to heat in
order to speed drying.
c. Embossing. In embossing, the markings are raised in the tin plate of the can
end or of the body. These markings must not be sharp or have well-defined edges.
The embossing procedure must be carefully controlled to ensure legible markings
without "harming" the can. Can codes are usually embossed on the packer's end of the
can.
d. Paper Labels. Paper labels are permitted for domestic shipments on military
contracts. They are rarely used on products that are shipped overseas because the
glue tends to hold moisture in close contact with the can, resulting in corrosion.
MD0708
1-9



Medical News
Some people may be pre-wired to be bilingual
(HealthDay)—Some people's brains seem pre-wired to acquire a second language,...
medicalxpress.com
Study reveals significantly increased risk of stillbirth in males
A large-scale study led by the University of Exeter has...
medicalxpress.com
Leading medical experts call for an end to UK postcode lottery for liver disease treatment and detection
Leading medical experts today [Thursday 27 November] warn that rising...
medicalxpress.com
New research supporting stroke rehabilitation
Using world-leading research methods, the team of Dr David Wright...
medicalxpress.com
The artificial pancreas shown to improve the treatment of type 1 diabetes
The world's first clinical trial comparing three alternative treatments for...
medicalxpress.com
Teens with a history of TBI are nearly four times more likely to have used crystal meth
Ontario students between Grades 9 and 12 who said they...
medicalxpress.com
Harm from baseball concussions may linger, study finds
(HealthDay)—Even after they're cleared to play following a concussion, baseball...
medicalxpress.com
Steer clear of cold meds for babies, FDA advises
(HealthDay)—Most babies and young children don't need medicines if they...
medicalxpress.com
“Less is more:” Eating wisely, with delight, during the holidays
Some multi-culture families celebrate their heritage by adding more holidays,...
scopeblog.stanford.edu
Haiti cholera outbreak kills 132 in 2014
Haiti's cholera epidemic has killed 132 people and may have...
medicalxpress.com
Ebola vaccine promising in first human trials
Researchers say they are one step closer to developing a...
medicalxpress.com
Nervous system may play bigger role in infections than previously known
The nervous system may play a bigger role in infections...
medicalxpress.com
Two studies identify a detectable, pre-cancerous state in the blood
Researchers from the Broad Institute of MIT and Harvard, Harvard...
medicalxpress.com
Trial shows new imaging system may cut X-ray exposure for liver cancer patients
Johns Hopkins researchers report that their test of an interventional...
medicalxpress.com
Follow-up on psychiatric disorders in young people after release from detention
Juvenile offenders with multiple psychiatric disorders when they are incarcerated...
medicalxpress.com
Why do so many seniors with memory loss and dementia never get tested?
Despite clear signs that their memory and thinking abilities have...
medicalxpress.com
Hospital volume not linked to costs of cancer surgery
(HealthDay)—Hospital surgical volume does not appear to correlate with Medicare...
medicalxpress.com
Examining the potential of creating new synapses in old or damaged brains
Synapses are the structures in the brain where neurons connect...
scopeblog.stanford.edu
Proton pump inhibitors linked to disruption of gut microbiome
(HealthDay)—Proton pump inhibitors may disrupt the microbiome of the digestive...
medicalxpress.com
More patients meet 2014 blood pressure goals than JNC-7 goals
(HealthDay)—A considerable proportion of patients who did not meet the...
medicalxpress.com
 


Privacy Statement - Copyright Information. - Contact Us

comments powered by Disqus

Integrated Publishing, Inc.
9438 US Hwy 19N #311 Port Richey, FL 34668

Phone For Parts Inquiries: (727) 755-3260
Google +