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1. Ceramic Non-stick DURABILITY
Test Item
Test Method
1.1 Initial Release (Fried Egg w/o Oil)

Heat utensil to 145~180℃. Fry egg for two minutes. Repeat until five (5) eggs have been fried. Assess release properties on a scale Grade 5 to Grade 1.

1.2 Release following Thermal Shock

Heat utensil to 260℃/10 minutes; quench in cold water. Repeat until 10 thermal shock cycles have been completed. Check for coating defects.
Carry out Fried Egg Test (twice).

1.3 Burnt Milk Test

Heat utensil to 150℃. Pour in milk. Continue until milk skin is browned. Check for coating defects.
Carry out Fried Egg Test (twice).

1.4 Burnt Sugar Test

Heat untensil to 150℃. Pour in sugar. Continue until sugar is caramelized. Check for sugar release and any coating defects. Carry out Fried Egg Test (twice).

1.5 Burnt oatmeal Test

Heat untensil to 150℃. Cook oatmeal for 18 minutes.
Check for coating defects.
Carry out Fried Egg Test (twice).

1.6 Stain Resistance Testing

Half-fill utensil with mixture*1 and simmer for 1 hour.
Check for coating defects.
Carry out Fried Egg Test (twice).

1.7 Boiling Vinegar and Oil Test

Half-fill utensil with mixture*2 and simmer for 1 hour.
Check for coating defects.
Carry out Fried Egg Test (twice).

1.8 Hot Vegetable Oil Resistance

Pour 400㎖oil into utensil. Place in oven for 2 hours at 220℃. Check for coating defects.
Carry out Fried Egg Test (twice).

1.9 Saltwater Resistance

Half-fill utensil with 5% Saltwater Solution. Simmer for three hours. Check for coating defects.
Carry out Fried Egg Test (twice).

1.10 Overall Non-stick Durability Assessment

Assess the coating properties and performance according to the following.
a)  Change in Release Grade between 1.1 and 1.9. Pass means Release grade remain at ≥ Grade 3. 
b)  Damage or other Visual Changes to the coating and at which step these happened. Pass means no physical damage and no more than very slight discoloration.

2.1 Cross Cut Adhesion Test

Make a cross cut grid as per BS7069 : 1988. Boil test item in water for 15 minutes. Once cooled and dried, carry out tape pull over cross cut area. Pass means no coating lifted from the surface.

2. Film Properties
Test Item
Test Method
2.2 Pencil Hardness

Carry out procedure as per EN12983-1 Clause 8.4.2 (at room temperature) and Clause 8.4.3 (at 200℃). Hardness shall be ≥ 9H at both temperatures.

2.3 Abrasion Resistance Test

Carry out procedure as per BS7069 : 1988 except that a force of 4.5 kg is used.  The 3M 7447 Scotch-Brite pad is lubricated, turning the pad every 250 cycles. Pass means that ≥ 30,000 reciprocal cycles are completed without substrate exposure.

2.4 Scratch Resistance Test

Carry out procedure as per BS7069 : 1988. A Stylus with nominal 1 mm diameter is used. Initial force is 5 N. If no exposure of substrate, then repeat with a higher force in increments of 1 N until there is substrate exposure. Pass means a force of > 5 N without substrate exposure.

2.5 STIWA (Shaking Table) Test

Rate Final Score based on: Abrasion Score, Scratch Resistance and Pancake Score. For Premium Quality cookware, the Final Score should correspond to a minimum grading of “Good”.

3. Dishwasher Resistance
Test Item
Test Method
Diswasher Resistance

a) Assess initial release by fried egg test (Test 1.1).
b) Carry out 10 Dishwasher cycles as per EN12875-1:1998. Then check for coating defects. 
c) Carry out Fried Egg Test (twice). 
Repeat b) and c) above until a total of 120 dishwasher cycles have been completed or the release properties have been reduced to below Grade 3 (Fair), whichever is the sooner.
Pass means no visual change/damage to coating and release properties remain ≥ Grade 3 after 120 cycles. Below Grade 3 after 120 cycles is a Fail.

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