LOCK&LOCK
 
   
 
 
 
 
 
 
 
Test in Korea
  Freshness test
 
(Test results : KEMTI 2002)
 
Test Item
 Unit
 Test Result Test method
Vacuum container Lock & Lock Sealed container
Test condition
38¡¾2¡ÆC, 100% RH		 g/m2¡¤24hrs 29.8 0.01 58.9 Condition same
as ASTM E 96
Leakage test - Leaks No leaks Leaks Condition same
as KS M 3511
¤ý

Freshness test : Put the container in the chamber of 38¡¾2¡ÆC, 100% RH condition for 24 hours, 48 hours, and 72 hours and measure the amount of moisture permeated.
¤ý

Leakage test : Put in fixed amount of water and leave the container upside down with the lid faced down for 12 hours and check to see if there are any leaks.
¤ý Remark : KEMTI-Korea Environment & Merchandise Testing Institute.
   
  Leakage comparison test
with similar Korean products (4-side locking mechanism)
 
   
Lock & Lock 4.5 L Lock & Lock 5.5 L
Similar Korean product 4.6 L Similar Korean product 5.2 L
   
Test Item
 Test result
 Test method
A B C D
Leakage test(g) No leaks No leaks Leaks(45.5) Leaks(10.8) Condition same
as KS M 3511-97
(Test results : KEMTI 2002)
¤ý

Fill 90% of the container and close the lid. Place the container upside down for 12 hours and measure how much has leaked.
   
  Freshness test with similar Korean products
(4-side locking mechanism)
   
 
Lock&Lock 1.9L Similar Korean product 2.4L
   
Test Item Test result
 Test method
A B
Freshness test 0.1 19.2 Condition same
as ASTM E 96
   
¤ý Put the container in the chamber of 38¡¾2¡ÆC, 100% RH condition for 24 hours, 48 hours, and 72 hours and measure the amount of moisture permeated.
¤ý Test results show Lock & Lock airtight containers in 200 times less moisture than other similar products, making it more airtight for freshness.
   
  (Test results : KEMTI 2002)
   
   
  Freshness test : Stored at room temperature for 5 days
   
 
 
¤ýGeneric container :
Strawberries are terribly spoiled		 ¤ýLock&Lock :
Retains freshness
   
   
Test abroad(Official test in the North America region)
  Excellent results of Leaking and Freshness test compared to the foreign brand R.
 
Freshness test(Unit : mg)
 
Type of container ¡°Lock & Lock¡± Brand ¡°R¡±
24 hours later 4 13
48 hours later 7 28
120 hours later 11 68
144 hours later 15 84
   
 
Leakage test
 
Type of container Lock & Lock Brand ¡°R¡±
300ml No leaks Leaks in 5~10minutes
470ml No leaks Leaks in 1~5 minutes
1.9L No leaks Leaks within 1 minute
2.6L No leaks Leaks within 1 minute
9.0L No leaks Leaks immediately ...