Koch Chemie PreWash express Dilution Ratios & User Guide
프리워시 익스프레스
Koch Chemie PreWash express — Exterior : Pre-washing (Pretreatment), alkali pH, base dilution 1:30~1:100. At 1:30, mix about 33.3 ml of Koch Chemie PreWash express per 1 L of water. For a foam cannon or an exact bucket amount, use the Find Your Detail dilution calculator on the product page: https://findyourdetail.io/products/koch-chemie/prewash-express
Koch Chemie 프리워시 익스프레스 — Exterior : Pre-washing (Pretreatment), pH alkali, 기본 희석 1:30~1:100. 1:30 기준 물 1L당 Koch Chemie 프리워시 익스프레스 약 33.3ml. 폼캐논이나 정확한 버킷 용량은 제품 페이지의 Find Your Detail 희석 계산기에서 계산하세요: https://findyourdetail.io/products/koch-chemie/prewash-express
Strong-alkaline phosphate-free precleaner concentrate built around chelating agents and tailored surfactants to break down insects, bird droppings, and brake-dust film. Tuned for short-contact wash programmes such as express tunnels and for alkaline washing-bay cleaning, with biological water-loop compatibility. Rated VDA class B (max dwell 1 minute, max concentration 1:100).
킬레이트제와 전용 계면활성제를 결합해 곤충 잔해, 새똥, 브레이크 분진 같은 강한 오염을 빠르게 풀어내는 인산염 무함유 강알칼리 전세정제 농축액입니다. 익스프레스 터널처럼 반응 시간이 짧은 세차 코스와 세차 베이 청소에 맞춰져 있고 미생물 정수 라인과도 호환됩니다. VDA 클래스 B 기준(최대 반응 1분, 최대 농도 1:100)을 따릅니다.
- Brand
- Koch Chemie
- Categories
- Exterior : Pre-washing (Pretreatment), Exterior : Tire&Wheel Cleaner
- Primary dilution
- 1:30~1:100
- pH
- alkali (13)
- Where to buy
- Search on Amazon (US)
- Last updated
- 2026-08-14
How it works
- Alkaline cleaning — Alkaline chemistry that breaks down grease; can stain aluminium and matte finishes.
- Cleaning surfactant — Lifts soil off the surface and disperses it in water.
- anionic surfactants — Ionic types of the surfactants used in this product.
Disclosed ingredients
| Ingredient | CAS | Function |
|---|---|---|
| Sodium hydroxide | 1310-73-2 | Alkaline active |
| Alcohols, C12-14, ethoxylated, sulfates, sodium salts (SLES) | 68891-38-3 | Anionic surfactant |
| Bronopol (2-bromo-2-nitropropane-1,3-diol) | 52-51-7 | Preservative |
Ingredients disclosed in the manufacturer's Safety Data Sheet. A safety data sheet lists hazardous components only, so this is not a full formula.
Key features
- Phosphate-free strong alkaline
- Chelating agents and surfactants
- Tuned for short dwell times
- Biological water-loop friendly
- VDA class B compliant
Dilution
| Use | Dilution | Ratio |
|---|---|---|
| Exterior : Pre-washing (Pretreatment) (primary) | 1:30~1:100 | 1:30-100 |
| Exterior : Tire&Wheel Cleaner | 1:4~1:20 | 1:4-20 |
Usage
- For overall prewash mix between 1:30 and 1:100 in water depending on how heavy the soiling is.
- Apply across the whole vehicle, dwell no more than one minute, then rinse with high-pressure water.
- For wheel cleaning use a stronger 1:4 to 1:20 mix; for washing-bay floors and walls 1:2 to 1:15.
- Stay within VDA class B: never exceed a 1:100 working strength or one-minute dwell time.
핵심 특징
- 인산염 무함유 강알칼리
- 킬레이트·계면활성제 조합
- 짧은 반응 시간 최적화
- 미생물 정수 라인 호환
- VDA 클래스 B 기준
사용법
- 전체 전세정에는 오염 정도에 따라 물에 1:30~1:100 범위로 묽혀 사용합니다.
- 차량 전면에 도포한 뒤 1분을 넘기지 않고 고압수로 충분히 헹궈 냅니다.
- 휠 세정에는 1:4~1:20, 세차 베이 바닥·벽면에는 1:2~1:15로 더 진하게 조정해 사용합니다.
- VDA 클래스 B 기준에 맞춰 작업 농도 1:100과 반응 시간 1분을 넘기지 않습니다.
Also known as: KCX, koch-chemie, 코흐, 코흐케미, PWE, Koch PWE, KC PWE, 코흐케미 프리워시 익스프레스, Express Precleaner, Pe, koch Pe, 코흐 Pe, 코흐케미 Pe
Sources
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