{"product_id":"koch-chemie-prefoam-efficient-pre-wash","title":"PFE PreFoam Efficient Pre-Wash Concentrate","description":"\u003cp\u003eMost of the swirl marks on a daily driver go in during the contact wash, when a mitt drags road grit across the paint. A proper pre-wash removes that grit before anything touches the car. PreFoam Efficient is Koch Chemie's concentrated alkaline pre-cleaner: it foams onto the panel, dissolves insects, bird droppings and traffic film, and rinses the loose dirt away in under a minute.\u003c\/p\u003e\u003ch3\u003eWhy it works\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHighly alkaline, phosphate-free formula built to dissolve stubborn organic soiling\u003c\/li\u003e\n\u003cli\u003eDilutes 1:30 for car pre-cleaning and 1:20 for insect removal, so 5L goes a very long way\u003c\/li\u003e\n\u003cli\u003eMaximum 1 minute dwell — it works fast and rinses before it can dry\u003c\/li\u003e\n\u003cli\u003eComplexing agents and surfactants lift environmental film that shampoo leaves behind\u003c\/li\u003e\n\u003cli\u003eVDA class B compliant, so it's a formula the German car industry has assessed\u003c\/li\u003e\n\u003cli\u003eFresh citrus scent while you work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen to use it\u003c\/h3\u003e\u003cp\u003eBefore every contact wash on a dirty car, and especially after motorway runs in summer when the front end is covered in insects. Apply bottom to top over the whole vehicle, keep it to a minute at most, and rinse thoroughly with a pressure washer before you go near it with a mitt.\u003c\/p\u003e\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-Wash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDilution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1:30 car pre-clean, 1:20 insect removal, 1:15–1:20 trucks (max 1:100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH \/ chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHighly alkaline — numeric pH not published by Koch Chemie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDwell time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFragrance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCitrus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKoch Chemie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eStraight from us\u003c\/h3\u003e\u003cp\u003eAt these dilutions this is one of the cheapest per-wash pre-cleaners we stock — a 5L drum mixed 1:30 is over 150 litres of ready-to-use product. It hits harder than a neutral snow foam, which is exactly what you want on a genuinely dirty car.\u003c\/p\u003e\u003ch3\u003eWhat it won't do\u003c\/h3\u003e\u003cp\u003eIt isn't a wax-safe maintenance foam — an alkaline pre-cleaner at strong dilution will shorten the life of soft waxes and sealants, so on a freshly protected car reach for our \u003ca href=\"\/products\/gentle-snow-foam\"\u003eGSF Gentle Snow Foam\u003c\/a\u003e instead.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat dilution should I use PreFoam Efficient at?\u003c\/strong\u003e\u003cbr\u003eKoch Chemie specify 1:30 for car pre-cleaning, 1:20 for insect removal and 1:15–1:20 for trucks, with 1:100 as the maximum application concentration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long do I leave it on the car?\u003c\/strong\u003e\u003cbr\u003eA maximum of 1 minute. Don't let it dry on the panel, and never apply it to hot bodywork.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it remove insects and bird droppings?\u003c\/strong\u003e\u003cbr\u003eYes — PreFoam Efficient is formulated for stubborn organic soiling such as insects, bird droppings and environmental film.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs PreFoam Efficient safe on paint?\u003c\/strong\u003e\u003cbr\u003eUsed at the published dilutions with a short dwell it is designed for automotive paint, but test compatibility first on sensitive or aged finishes.\u003c\/p\u003e\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/koch-kemie\"\u003eKoch Chemie range\u003c\/a\u003e at Blade Performance.\u003c\/p\u003e","brand":"Koch Chemie","offers":[{"title":"5L","offer_id":56199610564993,"sku":"KC-PFE-5L","price":26.99,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/www.bladeperformance.shop\/products\/koch-chemie-prefoam-efficient-pre-wash","provider":"Blade Performance ","version":"1.0","type":"link"}