SWD8008 two component cathodic disbonding metal
Product features and advantages
* greatly increase the adhesive strength with metal substrate
* excellent anticorrosion and wear resistance
* excellent cathodic disbonding resistance
* excellent waterproof & moisture resistance
* stable resistance to temperature change
* compatible with the following coating film
* avoid rust and corrosion and increase the service life
* high coverage rate to save cost
Application scopes
Anticorrosion coating for any metal structures, stainless steel, aluminum surface. Low surface treatment with rust on metal structure.
Product information
| Item | A component | B component |
| Appearance | light yellow liquid | color adjustable |
| Specific gravity(g/m³) | 1.03 | 1.25 |
| Viscosity (cps)@25℃ | 210 | 380 |
| Solid content (%) | ＞65% | ＞65% |
| Mix ratio (by weight) | 1 | 1 |
| Surface dry time (h) | 1-3h | |
| Recoating interval (h) | Min 3 h; max 24h (20℃) | |
| Theoretical coverage (DFT) | 0.12kg/㎡ film thickness 50μm | |
Typical physical properties
| Item | Test standard | Results |
| Tensile strength (dry metal surface) Mpa | ASTM D-3359 | 11.5 ( or substrate broken) |
| Impact resistance (kg.cm) | GB/T 1732 | 60 |
| Abrasion resistance (750g/500r) mg | GB/T 1732 | 11 |
| Temperature variation resistance (-40+180℃) 24h | GB/9278-1988 | Normal |
| Cathodic disbonding resistance [1.5v,(65±5)℃, 48h] | HG/T 3831-2006 | ≤15mm |
| Density g/cm3 | GB/T 6750-2007 | 1.08 |
Chemical resistance
| Acid resistance 50%H2SO4 or 15%HCI,30d | no rust, no bubbles, no peel off |
| Alkali resistance 50%NaOH, 30d | no rust, no bubbles, no peel off |
| Salt resistance 60g/L, 30d | no rust, no bubbles, no peel off |
| Salt spray resistance 1000h | no rust, no bubbles, no peel off |
| Oil resistance, 0# diesel, crude oil, 30d | no rust, no bubbles, no peel off |
| (For reference: Pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data) | |
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