5/16/2023 0 Comments Raw silica![]() studied the influence of grain shape and size on the expansion behaviour of silica foundry sands. Some reports also mention the partial investigation of specific size ranges of silica sands. Expansion properties of different types of foundry sands and the effect of various additives and bonding agents on the thermal expansion of moulds and cores are common topics of foundry research. ![]() The transition processes are accompanied by thermal expansion because at higher temperatures more open crystal structures are favoured. Silica sand has the highest expansion because it mainly consists of quartz that undergoes phase transition when heating. Thermal expansion is one main attribute to control of the aggregates used for mould and core making due to the casting defects related to it. Volume Discounts - Are you a commercial grower or do you plan on making a large order? Send an email to or call (716) 217-0353 for discounts too good to post online.Sand is an essential raw material for foundries from which silica sand is the most widely used type. You can rest easy knowing you will receive the full manufacturer's warranty with every purchase. Rather than focusing on raising margins and obsessing over profits, we've achieved an extraordinary customer retention rate by treating our customers the way they deserve to be treated.Īuthorized Dealers - Happy Hydro is an authorized dealer for every brand that we carry. World-Class Customer Service - Our bottom-line commitment is to have happy customers. All items are inspected (twice) before leaving our warehouses so we know that you'll be happy with the product that arrives at your door. Superior Gardening Products - All the manufacturers on this site are hand-picked by our founders to ensure you receive a quality product. ![]() We also request signature's on orders over $5000 for further protection. If you have special requests put them in the order notes when you checkout, we read them!įully Insured Shipments - Every shipment that leaves our warehouses is fully covered in case of a lost or damaged item. If we can cover up a label on the outside of a box, we do it. ![]() Large commercial items may ship factory direct.ĭiscreet Shipments - We do our best to ship discreet. We have our own warehouses on the East and West coast to deliver most shipments between 3-4 days. All we ask is you send it back in new condition and don't destroy the box!Įast & West Coast Shipping - We don't cut corners by drop-shipping. That's why we're offering 30 day free returns. But, if you find a better deal we will always match it and you can always call us for exclusive pricing.įree 30 Day Returns - Let's be serious, it's tough making a commitment to a product without seeing it first. Price Matching - Most products on our site are priced as low as we are allowed by manufacturers. We don't save payment information and will never sell your data. What you can expect from Happy Hydro:ġ00% Secure Shopping- Know that every transaction that takes place on our website is encrypted and 100% SSL secure so your information is safe. Rather than focusing on raising margins and obsessing over profits, we've achieved an extraordinary customer retention rate by offering competitive prices, superior products, and – perhaps most importantly – world-class customer service. Our bottom-line commitment is to have happy customers. ![]()
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