Active Member
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[China]
Address: Floor 1, building B10, No.1, hongxingzhugang Road, Shimen street, Baiyun District, Guangzhou
Contact name:Manty
Guangzhou Shangfu Industrial Development Co., Ltd. |
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Automotive acrylic paint gravity spray gun paint for car car color spray paint high heat resistant
Construction technology
| 1. Substrate treatment | ||||
| 1. Remove rust, oil and old paint film. (TGM-603 degreaser is used) 2. Clean the bottom material 3. Spray phosphating primer 4. Wait for half an hour after cleaning | ||||
| 2. Epoxy primer | ||||
| Applicable surface | Original coating aluminum, steel, stainless steel, zinc steel zinc surface, polyester board, plywood, atomic ash | |||
| Volatilization time | the interval between two layers is 5-10 minutes | |||
| Mix proportion | tgm-408 epoxy primer:4 | |||
| Special curing agent for grey epoxy primer:1 | ||||
| Epoxy thinner:1.5-2.0 | ||||
| Service life | 20 ℃ 5 hours; 28 ℃ 4 hours；If the drying time exceeds 48 hours at 20 ℃, the iron red epoxy primer must be polished before spraying again | |||
| Spraying equipment and air pressure | Gravity gun 1.2-1.5 mm 2-4 kg/cm Suction gun 1.4-1.8mm 3-5kg/cm | |||
| Spray | 2-3 single coats | |||
| Temperature | 10 ℃ | 20 ℃ | 60 ℃ | |
| Non stick time | 60 minutes | 15 minutes | 5 minutes | |
| Drying time before grinding | 16 hours | 12 hours | 50 minutes | |
| Polish | Before spraying: p80 dry grinding or wet grinding After spraying: p280-p380 dry grinding or p400-p800 wet grinding | |||
| 3. Atomic ash | ||||
| Mixing ratio | Atomic ash: hardener=100:1-3 | |||
| Process | 1. Scrape and apply atomic ash on the body surface to fill in the
surface defects 2. In the process of scraping, the deeper part of the depression shall be scraped several times to avoid sand holes and blisters caused by too thick film. 3. After the atomic ash is solidified, dry grind with p80 or p120 sandpaper. 4. According to the grade metal quality of the body surface, the atomic ash can be repeatedly scraped and coated for many times to ensure the surface is smooth and free of defects. 5. Polish and repair after drying. | |||
| 4. Two component mid coat | ||||
| Applicable surface | All kinds of original coatings, bare steel surface, atomic ash. | |||
| Not applicable to surfaces | Stainless steel, galvanized steel and aluminium | |||
| Mixing ratio | TGM-305 2K sealing primer: special curing agent for two-component primer : B-136 = 4:1:1.5-2.0 | |||
| usage time | 20 C for 4 hours | |||
| Spraying equipment and air pressure | 1.4-1.6 mm 3-4 kg/cm gravity spray gun 1.7-1.8 mm 3-4 kg/cm suction spray gun | |||
| Spray | 2-3 layers can be sprayed | |||
| Volatilization time | The interval between the two layers is 5-10 minutes. | |||
| Drying time before grinding | 20℃ 5-6 h 60℃ 30 minutes | |||
| Polish | Dry grinding of P180-P280 before spraying or wet grinding of P400-P600 or P800-P1000 after spraying | |||
| 5. 1K car paint | ||||
| Applicable surface | The original coating (except thermoplastic acrylic resin), all used for automotive undercoat products. | |||
| Not applicable to surfaces | Alloy base, acrylic nitrate base paint. | |||
| Polish | Before spraying: AP400-P600 dry grinding or P600-P800 wet grinding. | |||
| After spraying: not applicable | ||||
| Spraying viscosity | Allocation ratio | |||
| 14-18 seconds (DLN4-20 C) | 1 | 0.8-1 | ||
| ＜15℃ | 1K Metal Paint | C-135 Fast Dry Thinner | ||
| 15-25℃ | 1K Metal Paint | C-135 Standard Thinner | ||
| 25-35℃ | 1K Metal Paint | C-135 Slow Dry Thinner | ||
| Spraying Tools and Air Pressure | Gravity gun 1.2-1.5 mm 2-4 kg/cm | |||
| Suction gun 1.2-1.5 mm 2-4 kg/cm | ||||
| Spraying method | Two single layers or one single layer plus one double layer, each layer separated by 5 minutes | |||
| Drying time before spraying varnish | 20-30min 20℃ | |||
| Be careful | 1.When spraying M, P series, be sure to pay attention to whether the front primer is properly treated, otherwise it can not be sprayed. | |||
| 2.Metal paint and pearl paint can not be sprayed or floated when spraying water. | ||||
| 3.Whether the pearl paint can achieve the covering power, whether to do two processes to have a good basis for spraying. | ||||
| 6. 2K Solid Paint | ||||
| Applicable Surface | Original Coatings, All Used for Automotive Undercoat Products | |||
| Be careful | Before spraying: P400-600 dry grinding or P800-P1000 wet grinding | |||
| After spraying: not applicable | ||||
| Mixing ratio | 2K plain paint | Curing agent | thinner | |
| 2 | 1 | 0.6-1 | ||
| temperature | ＜15℃ | 2K plain paint | C-300 Fast Dry Hardener | C-135 Fast Dry Thinner |
| 15-25℃ | 2K plain paint | C-300 Standard Hardener | C-135 Standard Thinner | |
| 25-35℃ | 2K plain paint | C-300 Slow Dry Hardener | C-135 Slow Dry Thinner | |
| Spray Viscosity | 13-18 seconds (DIN4/20 C) | |||
| usage time | 20 C, 2 hours; 1.5 hours with quick-drying curing agent | |||
| Spray | Spray one layer of fog, then wet spray two layers, each layer interval of 10-15 minutes | |||
| drying time | temperature | Non stick dust | Touchable | Dry solid |
| 20℃ | 1 hours | 2-3 hours | 24 hours | |
| 60℃ | 5 minutes | 10 minutes | 60 minutes | |
| Gun Nozzle: | 1.2-1.4mm (Gravity Spray Gun) | |||
| 1.3-1.5mm (Selectional Spray Gun) | ||||
| Be careful | 1. Make sure the car body is clean and dry before spraying. | |||
| 2.Fish eye. | ||||
| Rectify | When spraying plain paint, small holes appear in the first layer of the surface, 3/1000 pearl water is added in the second layer of spraying paint. | |||
| 7. Spray varnish | ||||
| Applicable surface | Surface of 1K Primer | |||
| Allocation ratio | ＜15℃ | |||
| Temperature and proportions | temperature | Varnish 2 | Hardener 1 | Thinner 0.3-0.8 |
| ＜15℃ | Clear Coat | Fast Dry Hardener | Fast Dry Thinner | |
| 15-25℃ | Clear Coat | Standard Hardener | Standard Thinner | |
| 25-35℃ | Clear Coat | Slow Dry Hardener | Slow Dry Thinner | |
| Duration of service after mixing | Dry fast for 1.5 hours and slow for 4 hours at 20 C | |||
| Spraying Tools and Air Pressure | Gravity spray gun: 1.2-1.5 mm 3-4 kg/cm | |||
| Suction spray gun: 1.4-1.6mm 3-4kg/cm | ||||
| Spraying method | The first layer is sprayed with fog, and the second layer is sprayed with wet spraying. Each layer is 10-15 minutes apart. | |||
| Standing time before baking | ＜15℃ Semih ＞25℃ 15 minutes | |||
| drying time | 25℃ 24 hours 60℃ 30 minutes | |||
| 8. Polishing and waxing | ||||
| 1. First, use sand paper P1200 or P1500 as a water mill to grind
the dust particles on the surface of the paint layer. 2. Polish with rough wax and remove the sandpaper grain until the paint surface is glossy and smooth. 3. Use polishing wax water as surface polishing and protection luster to maintain long-term. | ||||
| Be careful | Do not wash the wool ball with corrosivity. The wool ball must be free of sand dust or hard objects. | |||
