In order to determine whether our surface treatment is appropriate for eyeglass frame products, we conduct quality control based on applicable laws and regulations and our own standards.
![](https://eyetec-plating.com/wp-content/uploads/2024/03/interteck.jpg)
Quality standards for “Noble metal plating”
Evaluation item | Evaluation method | JIS standard No. | ISO standard No. |
Visual inspection | Human visual observation | ||
Thickness measurement | Actual measurement using fluorescent X-ray plating thickness measuring machine | ||
Bending test | Taping test on bent part (no peeling) | H 8504 : 1999 | ISO 2819:1980 |
Taping adhesion test | Taping test after cross cutting (JIS evaluation) | ||
Pencil hardness measurement | Measured with a roughness meter | K 5600-5-4 : 1999 | ISO/DIS 15184:1996 |
Scratch resistance test | Load: 200g, Visual confirmation after 3000 reciprocating movements (no substrate exposed) | ||
Shock resistance test | Load 500g, Falling distance 500mm, Inner mold diameter 1/4 inch, Taping test on dented deformed part (no peeling) | K 5600-5-3 : 1999 | ISO 6272:1993 |
CASS test (Test temperature: 50℃) | Cross-cut taping test after CASS test 24 or 48 hours (JIS evaluation) | H 8502 :1999 | ISO 9227:1990 |
Hair tonic (MG5) immersion test (Test temperature: 25℃) | Cross-cut taping test after immersion test 24 or 48 hours (JIS evaluation) | ||
Acetone rubbing test | Visual confirmation after acetone rubbing (acetone rubbing evaluation criteria) | ||
Hot water immersion test (test temperature: 80℃) | Cross-cut taping test after 1 hour immersion (JIS evaluation) | ||
CE standard artificial sweat test (Test temperature: 55℃) | Test time: 24 hours (no corrosion, surface deterioration, or coating layer peeling) | B 7285:2016 | ISO 12870:2012 |
Light resistance test | Visual confirmation after resistance 24 hours (within gray scale 3 to 5) | B 7285:2016 | ISO 12870:2012 |
Nickel elution test (Test temperature: 30℃) | ICP measurement of extract after 168-hour dissolution test (<0.76μg/cm2/week) | B 7285:2016 | ISO 12870:2012 |
Quality standards for “Electrodeposition coating” and “Solvent splay coating”
Evaluation item | Evaluation method | JIS standard No. | ISO standard No. |
Visual inspection | Human visual observation | ||
Thickness measurement | Actual measurement using a roughness meter | ||
Bending test | Taping test on bent part (no peeling) | H 8504 : 1999 | ISO 2819:1980 |
Taping adhesion test | Taping test after cross cutting (JIS evaluation) | ||
Pencil hardness measurement | Measured with a roughness meter | K 5600-5-4 : 1999 | ISO/DIS 15184:1996 |
Scratch resistance test | Load: 200g, Visual confirmation after 3000 reciprocating movements (no substrate exposed) | ||
Shock resistance test | Load 500g, Falling distance 500mm, Inner mold diameter 1/4 inch, Taping test on dented deformed part (no peeling) | K 5600-5-3 : 1999 | ISO 6272:1993 |
CASS test (Test temperature: 50℃) | Cross-cut taping test after CASS test 24 or 48 hours (JIS evaluation) | H 8502 :1999 | ISO 9227:1990 |
Hair tonic (MG5) immersion test (Test temperature: 25℃) | Cross-cut taping test after immersion test 24 or 48 hours (JIS evaluation) | ||
Acetone rubbing test | Visual confirmation after acetone rubbing (acetone rubbing evaluation criteria) | ||
Hot water immersion test (test temperature: 80℃) | Cross-cut taping test after 1 hour immersion (JIS evaluation) | ||
CE standard artificial sweat test (Test temperature: 55℃) | Test time: 24 hours (no corrosion, surface deterioration, or coating layer peeling) | B 7285:2016 | ISO 12870:2012 |
Light resistance test | Visual confirmation after resistance 24 hours (within gray scale 3 to 5) | B 7285:2016 | ISO 12870:2012 |
Nickel elution test (Test temperature: 30℃) | ICP measurement of extract after 168-hour dissolution test (<0.76μg/cm2/week) | B 7285:2016 | ISO 12870:2012 |
Quality standards for "Ion plating"
Evaluation item | Evaluation method | JIS standard No. | ISO standard No. |
Visual inspection | Human visual observation | ||
Bending test | Taping test on bent part (no peeling) | H 8504 : 1999 | ISO 2819:1980 |
CASS test (Test temperature: 50℃) | Cross-cut taping test after CASS test 24 or 48 hours(No abnormal appearance or peeling with “KIP specification”) | H 8502 : 1999 | ISO 9227:1990 |
CE standard artificial sweat test (Test temperature: 55℃) | Test time: 24 hours (no corrosion, surface deterioration, or coating layer peeling) | B 7285:2016 | ISO 12870:2012 |
Nickel elution test (Test temperature: 30℃) | ICP measurement of extract after 168-hour dissolution test (<0.76μg/cm2/week) | B 7285:2016 | ISO 12870:2012 |
Scratch resistance test (abrasion test) | Visual confirmation after 5000 reciprocations with a load of 200g (no substrate exposed) |