Dear Customer,
We appreciate your interest in our effective and innovative ComStar products.
As of January 1, 2018, The U.S. Environmental Protection Agency (EPA) requires all buyers of refrigerants that contain CFCs, HCFCs or HFCs to be certified technicians.
You will be asked to complete a short form and upload your technician’s certified ID to complete your order in the cart.
Thank you!
Dear Customer,
We appreciate your interest in ComStar's effective and innovative products.
Please note that the item you have placed in your cart is considered a hazardous product and cannot be returned unless the receiver has a hazmat shipping license. Most hazardous materials may not be returned by mail.
Sky Blue, Rust & Iron Stain Remover, 1 Gallon
Multi Clean Rust Remover
Click Here For Precision & Mechanical Parts Cleaning Selection Guide
Sky Blue, Multi Clean, is a Rust & Iron Powder Stain Remover. Sky Blue (Gel) is a multi-purpose, ready-to-use, viscous, rust and iron stain remover that cleans away corrosive stains in seconds. Rust or corrosion will not return if the surface cleaned by Renew is thoroughly flushed with water immediately after being cleaned. Leaves no aftermark. Developed for Japanese train industry to clean away iron stains on train bodies...used throughout Japan. Also used in Japan to clean exterior ceramic tile walls. Safe on stone, brick, masonry, painted parts, steel, stainless steel, iron, copper, brass, plastic, rubber and ceramic (avoid aluminum & glass) Quickly removes metal stains from all types of stone, brick & masonry. Removes mineral stains from toilet bowls.
- Ready to Use
- Vertical Stay in Place Formula
- Will not create Wasteful Runoff
- Low V.O.C.
- Will Not Contaminate Waste Water.
Train Cleaning Cross reference sheet
Precision & Mechanical Parts Cleaning Selection Guide
This guide includes hyperlinks for each mentioned product. Just click on the name, and you will be directed to the product page.
FAQ - Frequently Asked Questions
Welcome to ComStar FAQ! Here you'll find answers to our most asked questions. Still can't find quite what you're looking for, or have something we should know? Send us an email, we're happy to help!
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Q1: Do you ship to my country?
A1: Most likely, you can see what countries we ship to in the drop-down at the checkout.
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Q2: How much do I pay for shipping?
A2: The shipping charge will be added to your order and visible on your receipt before you check out. The shipping is based on destination. You’ll may free shipping on orders above a certain amount.
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Q3: What are the accepted payment methods?
A3: We accept online credit card payments.
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Q4: What currency do I pay in?
A4: The currencies used are USD.
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Q5: When do I receive my order?
A5: We dispatch all orders in 1-5 business days and will provide you with tracking information for your order.
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Q6: Do I have to pay international taxes and duties?
A6: Your order may be subject to import duties and taxes, which are levied once a shipment reaches your country. We cannot control and are not responsible for any duties/taxes applied to your package upon delivery. You will be responsible for paying additional charges for customs clearance. Customs policies vary widely from country to country; please contact your local customs office for further information.