4 3505-002 1 3505-105 0.5 3505-204 Description: High solid two-pack epoxy primer-surfacer providing excellent appearance and corrosion protection. The target use for this product is refinishing and refurbish of existing vehicles and the painting of newly build commercial vehicles and trailers. The EU VOC limit for this product (product category: IIB.C) in ready to use form is max target 540 g/litre. The VOC content of this product in ready to use form is max 531 g/litre. 34 18-22 Product and Additives: Autocoat BT Autocoat BT LV 350 Primer EP Hardener 3505-105 Autocoat BT LV 350 Primer EP Hardener Fast 3505-103 Autocoat BT LV 350 Primer EP Reducer 3505-204 suction feed 1-2*1 1.6-1.8 mm 3-5 bar Basic Raw Materials: Autocoat BT Autocoat BT LV 350 Primer EP Hardener 3505-105/103 Autocoat BT LV 350 Primer EP Reducer 3505-204 : epoxy resins : polyamide resins : solvents 5-10 mins. see t.i.s. Polystop LP Polykit IV 2509-001 3509-001 3519-001 5518-001 Suitable Substrates: Existing finishes, with the exception of finishes with a thermoplastic behavior (Phosphated) Steel (note 1) Stainless steel Zinctec (see note 2). Hot dipped galvanized steel and Zincor. Aluminium (see note 3). Polyester laminates and plywood Sikkens polyester bodyfillers and Polysurfacer. Notes: 1. Chemical cleaners and pretreatments should be pre-approved by AKZO Nobel 2. It is important that the zinc-coated steel is dried at 60 C prior to the painting in order to avoid gassing. 3. It is not advised to use Autocoat BT on aluminum click constructions and in the case of rivets. 9.1.85 Surface Preparation: Existing finishes: Degrease with Autocoat BT LV 350 Antistatic Silicone Remover 3511-001 and dry sand with P280 grit. Steel: Degrease with LV 350 Antistatic Silicone Remover and dry sand with P180 grit. Blast clean if necessary, Sa 2.5-3. Stainless steel and aluminum: Degrease with LV 350 Antistatic Silicone Remover and dry sand with P180 grit or degrease with LV 350 Antistatic Silicone Remover and abrade with Scotch Brite type A (red). Hot dipped galvanized steel, Zincor and aluminum: Degrease with LV 350 Antistatic Silicone Remover and abrade with Scotch Brite type A (red). Polyester laminate and plywood: Degrease with LV 350 Antistatic Silicone Remover 1/5
and dry sand with P280 grit or abrade with Scotch Brite type A (red). Wood: Dry sand with P180 grit to achieve a smooth surface and to remove any loose fibers. Sikkens polyester bodyfillers and Polysurfacer: Degrease with LV 350 Antistatic Silicone Remover and dry sand with P180-P280-grit. Tinting: can be tinted with Tintflex tinters up to 5 percent by weight. Mixing Ratio by Volume: Conventional application Mixture A : 4 parts of Autocoat BT 1 parts of Autocoat BT LV 350 Primer EP Hardener 3505-105 0.5 part of Autocoat BT LV 350 Primer EP Reducer 3505-204. Use mixing stick # 34 For improved through hardening at lower temperatures the following mixing ratio should be used: Mixture B: 5 parts of Autocoat BT 2 parts of Autocoat BT LV 350 Primer EP Hardener Fast 3505-103 1,5 part of Autocoat BT LV 350 Primer EP Reducer 3505-204. Use mixing stick # 32 Note: 1. For airless and air assisted airless application above mentioned hardeners can be used without addition of reducer. 2. For use with plural component equipment consult your Sikkens technical representative Spraying Viscosity: Mixture A : 18-22 secs DIN Cup 4 at 20 C. Mixture B : 18 secs DIN Cup 4 at 20 C. Potlife: Mixture A : 8 hours at 20 C Mixture B : 4 hours at 20 C 2/5
Spray gun fluid tip and working pressure: Spray Gun: Fluid Tip: Working Pressure: Gravity feed: 1.4-1.6 mm 3-5 bar Gravity feed HVLP: 1.5-1.7 mm max. 0.7 bar Suction feed: 1.6-1.8 mm 3-5 bar Suction feed HVLP: 1.8-2.2 mm max. 0.7 bar Airless spray 4.13/ 5.13 110-120 bar¹ Airmix spray 4.13/ 5.13 90 bar¹ Pressure feed: 1.0-1.2 mm 3-5 bar atomization pressure and ± 1 bar material pressure ¹It is advised to use an installation with a minimum pump ratio of 30:1 Note: Consult your Sikkens technical representative for Electrostatic spray application. Application Process: Spray gun Apply 1-2 single coats, allowing a flash-off time of 5 to 10 minutes between coats. Airless/Airmix spray Apply 1 cross-coat or 2 single coats. Brush Don t add any thinner to both mixtures. Film Thickness: Approx. 60-90 µm total film thickness Theoretical cover rate: 5 5.5 m²/l ready for use mixture at 60 µm. Note: The practical cover rate depends on many factors i.e. shape of the object, roughness of the surface, application method and application circumstances. Cleaning of Equipment: Use Autocoat BT LV 350 Primer EP Reducer 3505-204. Drying times: 10 C: 20 C: 40 C: 60 C: Recoatable with bodyfillers: At maximum 60 µm after: 2 hrs 45 mins 30 mins 15 mins Recoatable with filler or topcoat/basecoat In case of LV 350 Primer EP Reducer At 90 µm after: 1½ hrs 45 mins 30 mins 15 mins 3/5
Notes: 1. LV 350 Primer EP must be abraded with P360-P400 grit prior to be recoated with a finish, if a drying time of 48 hours at 20 C is exceeded. 2. LV 350 Primer EP using Hardener 3505-105 can be recoated with itself within 3 months without abrading. 3. LV 350 Primer EP using Hardener Fast 3505-103 can be recoated with itself within 1 month without abrading. 4. Apply a minimum film build of 40-50 µm of LV 350 Primer EP for a good corrosion protection and adhesion to the substrate. Recommended sandpaper grades before recoating with topcoat, when necessary: Dry sand with : P280-P360 Wet sand with : P800-P1000. Recoatable with: Polyester bodyfillers Autocoat BT LV 250 Topcoat MM/RM 2509-001 Autocoat BT LV 250 Topcoat IC RM 2509-001 Autocoat BT LV 350 Topcoat MM/RM 3509-001 Autocoat BT LV 351 Topcoat MM/RM 3519-001 Autocoat BT LV 350 Filler Beige/Gray 3506-001 Autocoat BT LV 350 Filler Varicolor 3506-002 Autocoat BT WB 551 Basecoat RM 5518-001/ Autowave Packaging: : 10L in 20-liter and 160 liter in 200-liter drum LV 350 Primer EP Hardener 3505-105: 5L in 5-liter can, 200-liter in 200-liter drum LV 350 Primer EP Hardener Fast 3505-103: 5L in 5-liter can. LV 350 Primer EP Reducer 3505-204: 5L in 5-liter can, 200-liter in 200-liter drum Color: Light yellow HEALTH & SAFETY DATA regarding Autocoat BT : For professional use only. (See Material Safety Data Sheet). See text on the label of this product. The user of this product is required to comply with the national statutory regulations for health and safety at work and waste disposal. 4/5
Akzo Nobel Car Refinishes B.V. Address: Rijksstraatweg 31, PO Box 3, 2170 BA Sassenheim Tel: +31(0)71308-6944 IMPORTANT NOTE The information in this data sheet is not intended to be exhaustive and is based on the present state of our knowledge and on current laws: any person using the product for any purpose other than that specifically recommended in the technical data sheet without first obtaining written confirmation from us as to the suitability of the product for the intended purpose does so at his own risk. It is always the responsibility of the user to take all necessary steps to fulfill the demands set out in the local rules and legislation. Always read the Material Data Sheet and the Technical Data Sheet for this product if available. All advice we give or any statement made about the product by us (whether in this data sheet or otherwise) is correct to the best of our knowledge but we have no control over the quality or the condition of the substrate or the many factors affecting the use and application of the product. Therefore, unless we specifically agree in writing otherwise, we do not accept any liability whatsoever for the performance of the product or for any loss or damage arising out of the use of the product. All products supplied and technical advices given are subject to our standard terms and conditions of sale. You should request a copy of this document and review it carefully. The information contained in this data sheet is subject to modification from time to time in the light of experience and our policy of continuous development. It is the user's responsibility to verify that this data sheet is current prior to using the product. Coatings brand names mentioned in this data sheet are trademarks of or are licensed to AkzoNobel. Head Office Akzo Nobel Car Refinishes B.V., PO Box 3 2170 BA Sassenheim, The Netherlands. www.sikkenscv.com 5/5