WEATHERSTRIP COATING AGENT
- Weatherstrip Coating Agent
- Purposes & Applications
- Standard Test Specifications
- Product List & Information(Download)
- Customers
STANDARD TEST SPECIFICATIONS
| Spec No. | Test Item | Method | Unit | Specification | Test Result | |
|---|---|---|---|---|---|---|
| MS261-11 | Heat resist. | Appearance | 80℃×70hrs |
- |
No crack & deformation |
No crack & deformation |
| Rate of friction resistance | % |
- 15 ~ + 30 |
+ 5 |
|||
| Cold resist. | Appearance | -30℃×24hrs |
- |
No crack & deformation |
No crack & deformation |
|
| Rate of friction resistance | % |
- 15 ~ + 50 |
+ 6 |
|||
| Ozone resistance | 40℃×50pphm×72hrs |
- |
No crack |
No crack |
||
| Permanent compression strain rate | 70℃×22hrs |
% |
50 MAX |
30 | ||
| Weather resistance | 63℃×200hrs |
- |
No discoloration, No crack |
No discoloration, No crack |
||
| Stain on painted panel | 80℃×16hrs, 0.5kg |
- |
No stain |
No stain |
||
| Wax resistance | Submerged in Kerosene at room temp. for 15 min submerged → 85℃↑×3 min |
- |
No noticeable deformation by swelling |
No noticeable deformation by swelling |
||
| M261-21 | Abrasion Resist. |
Normal condition |
200mm×60cycle/min ×1㎏×4t |
10,000 cycle |
No noticeable exposure of rubber by abrasion |
OK |
Wet condition |
(2㏄/2,000cycle) |
10,000 cycle |
OK | |||
Weather aging |
63℃×12Min/hr ×200hrs |
10,000 cycle |
OK | |||
Heat aging |
80℃×70hrs |
10,000 cycle |
OK | |||
Wax Remover after submerged |
Submerged in Kerosene for 15min → 85℃↑×3min |
10,000 cycle |
OK | |||
Cold resist. |
Normal condition |
- 15 ~ - 20℃ × 20 min |
Kg.f/100mm |
3 MAX |
1.1 |
|
After abrasion test at normal condition |
- | Kg.f/100mm | 1.2 |
|||
After abrasion test at wet condition |
- | Kg.f/100mm | 1.1 |
|||
After aging and |
- | Kg.f/100mm | 1.5 | |||
After heat aging and abrasion test |
- | Kg.f/100mm | 1.2 | |||
After submerged and abrasion test |
- | Kg.f/100mm | 1.5 | |||
| MS300-8 | Combustibility |
FMVSS 302 |
mm/min |
80 MAX |
55 | |
| MS300-34 | Odor test |
Specimen 20g×3ℓ →80℃×3hrs heating→immediately | Grade |
3 ↑ |
3 | |
| Panel | slide rheostat |
GLASS 5t |
Kg.f/100mm | 0.32 MAX |
0.25 | |
| MS201-2 | Environmentally hazardous materials |
ISO 6101-2 |
PPm |
Hg,Pb,Cr+6 : 900 MAX |
Not detected |
|
Cd : 90 MAX |
||||||
| ES82401-9 | Durability test |
General durability test |
- | No increase squeak noise, No damaged surface by 20,000cycles of raising/lowering |
OK |
|
Test spec for evaluation of coating on sponge rubber
| / | Spec (GMW 14170) |
Test Result |
||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
① Coating thickness  |
5 microns.↑ |
8.6~8.7㎛ |
OK | |||||||||||||||||||||
② Adhesion Strength  |
Stripping off adhesive tape. No cured coating shall be removed from the test piece. |
Not peel off |
OK | |||||||||||||||||||||
③ Chemical and Abrasion Resistance  |
①Dry test Fabric: downward 4.3N force, 100 cycles minimum. | 100 cycle No abrasion  |
OK | |||||||||||||||||||||
②Wet test Fabric: Pre-wetting shall be separated after 50cycles, Requirement 100 cycles minimum. |
100 cycle No abrasion  |
OK | ||||||||||||||||||||||
③With test Fabric. Re-wetting shall be repeated after 50 cycles, Requirement 100 cycles minimum (ethanol:Water = 1:2) |
100 cycle No abrasion  |
OK | ||||||||||||||||||||||
④With test Fabric. re-wetting shall be repeated after 50 cycles, Requirement 100 cycles minimum(Solvent(9985670) :Water = 2:3) |
100 cycle No abrasion  |
OK | ||||||||||||||||||||||
④ Coating Cure Test |
Downward force of 2.15 N, 5 cycles (one cycle shall be one to and fro movement). Naphtha (9981062 or B 440 0029). | 5cycle (Rating 1 ) |
OK | |||||||||||||||||||||
⑤ Cleaning and Solvent Resistance (Test Condition: Downward force of 2.1 N, 10 cycles)  |
①Protective wax |
10cycle (Rating 0 ) |
OK | |||||||||||||||||||||
②Commercial car shampoo (Sonax 314300) |
10cycle (Rating 0 )  |
OK | ||||||||||||||||||||||
③commercial paintwork cleaning product (Sonax 302200) |
10cycle (Rating 0 )  |
OK | ||||||||||||||||||||||
④commercial household Ammoniated Window Cleaner (windex) |
10cycle (Rating 0 )  |
OK | ||||||||||||||||||||||
⑤Commercial Chrome cleaner and Polish (GM chrome Cleaner and Polish, PN 1050173) |
10cycle (Rating 1 )  |
OK | ||||||||||||||||||||||
⑥ Heat Resistance  |
Bend ; 180(angle), 24-2h at 90±3℃ ,Test piece : 200±5mm ,No Crack |
No Crack  |
OK | |||||||||||||||||||||
⑦ Cold Resistance  |
-40 ± 3°C; 4 ± 0.5 h Test piece: length 200 ± 5 mm , width 4 ± 1 mm, thickness 1 to 2 mm. Bend 180 degrees around radius of 25 ± 0.5 mm. Visual Examination |
No Crack  |
OK | |||||||||||||||||||||
⑧ Weather-o-meter Test  |
total 2500kJ/㎡ ,based on 0.55W/㎡ (340nm) △E 3.0 min and no discoloration, etc |
ΔE 2.8 (10.09.06 ~ 10.11.25)
▶ sample picture of 2500KJ/㎟ condition  |
OK | |||||||||||||||||||||
⑩Gloss (Non-spec)  |
checking point 5ea |
|
OK | |||||||||||||||||||||