Coated abrasives are flexible sheet based abrasives consisting of a backing sheet, a binder, and abrasive grain. They typically include abrasive belts, discs, and sheets, used mainly for polishing or finishing operations. SQH® offers a range of liquid resins to coat a variety of backing materials and grains. Both solvent and water borne systems are available.
Resins In low grade coated abrasives, animal glue is used as the maker coat, but synthetic resins are required where water and heat resistance is required. Although several resin types are used, such as, urea formaldehyde, and epoxy, phenolic resin provides the highest heat and water resistance. Maker coat resins are normally water based, whilst the size coat can be aqueous or solvent borne. Solvent based resins offer the highest performance but special flame proof plant is required. One problem with phenolic resin is their comparative brittleness. Modified phenolic resins, and mixtures of polymers are used for very flexible abrasives. However, modified resins do tend to exhibit reduced heat resistance. Special high water tolerance phenolic resins grades are available with improved compatibility with water borne polymers such as PVA. PF-2436 - Backing treatment PF-2470 – Maker coat UK-2471 – Latex compatible PF-2418 - Size coat
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Q1: Are You Manufactory or Trade Company? We are a Manufactory specialized in chemical over 40years which is located in Jinan,china.
Q2: What is the price of your packaging ? The exact price is based on your quantity. We can provide our best price for you.
Q3: How can we get the sample,and what is the cost? For the sample.It is free.You only need to pay for the freight fee.For custom sample, We can help you design it as your infos and requirements. Sample time is about 3-5 days.
Q4: What is your payment item? TT / PAYPAL / WESTERN UNION / LC / CREDIT CARD is all available for us.For small amount which is less than 1000USD, we prefer 100%deposit.For large amount,40% deposit,and 60% balance paid before shipping.
Q5: How can we get the goods from your factory? By air or by ocean.If quantity is small,the total packing volume is less than 1CBM,we suggest air shipping,it needs 5-7 days. If quantity is large, we suggest ocean shipping.It needs 20-30 days. It will be easy if your have your own forwarder to take care of the shipping.If not,we have professional forwarder to help you.
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