Tetrosyl Cellulose EP21 Grey Primer 5LTetrosyl Cellulose EP21 Grey Primer is a high build, fast drying and easy to sand cellulose primer surfacer. Combining excellent adhesion to bare metal, exceptional 'hold-out', and build, cellulose primer dries to a smooth finish and is suitable for use under most topcoat finishes.ADVANTAGES2 - 3 full coats15 minutes flash off between coatsFast DryingEasy to sandExceptional 'hold out'APPLICATIONPrimer Surfacer: 1 (Primer) : 1 (Thinner)Primer Filler 1 ½ (Primer) : 1 (Thinner)Primer Surfacer: 21-23 seconds BSB4 Cup @ 20 degrees CPrimer Filler: 35-36 seconds BSB4 Cup @ 20 degrees CHVLP: Gravity 153-EY 1.6 Suction 153-EX 1.6/1.8Conventional: Gravity 186-1.6 Suction 186-1.6/1.8Air Dry: 1hour @ 20 degrees CLOW Bake: 15 minutes @ 60 degrees C Metal TemperatureKey Features:Easy to sandExceptional 'hold out'2 - 3 full coats15 minutes flash off between coatsTetrosyl Limited is the largestmanufacturer and supplier of car care products in Europe and is the UK's biggestindependent oil blender extending its global reach to 100 countries.Tetrosyl leads the way in brand management with a fine blend of innovation, technology, and design to bring the biggest retail brands in the industry to car care, automotive and home care markets.Product ranges include Valeting, Winter, Crash Repair, Automotive Parts, Paint, and a Home Improvement range. Tetrosyl has the ability to develop and launch products to market fast due to strong in-house capabilities.