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uhmw

Different UHMW Products Used In Sawmills

As it turns out to customers in the sawmill industry new to performance plastics: there isn’t a single grade of UHMW used in mills, in fact there are several. These plastics to those not in the industry can look very different and many people may be surprised to learn they’re all variations of UHMW polyethylene … Continue reading »

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Polyurethane vs. UHMW

Regarding sprocket applications in particular it seems the default request in 2020 is for “UHMW” sprockets. Indeed, UHMW is used in some sawmill sprocket applications and is widely used elsewhere in sawmills as wear parts. However, the material is not ideal for use in either a drive or idler sprocket – why is this so? … Continue reading »

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Trimmer Lug Spec Sheet

White or black UHMW polyethylene trimmer lugs are ubiquitous at most sawmills. Unlike metal lugs, the softer UHMW takes impact while being gentle and non-marking with the lumber. These are also an easy to manufacture part that Redwood Plastics and Rubber has decades of experience machining. Need a quote on some lugs and not sure … Continue reading »

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UHMW Yellow Wear Strip

While many maintenance managers know about UHMW U-channel for use with sawmill chain, less people seem to know that the same yellow/clean/reprocessed material that provides the channel with its excellent benefits is also available in simple, flat, wear strip. This typically comes in 250′ coils though it can be purchased in cut-to-size strips that cost … Continue reading »

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3 Custom UHMW Chain Channel Options

UHMW chain channel is used at most medium to large sawmills in North America. The product is wear resistant and slick, extending chain life. Primarily chain channel options are for H78 and 81x chain. Several profiles are available from Redwood Plastics and Rubber and you can view them HERE. However what if you need a … Continue reading »

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Product Spotlight: Roller Chain Diverter Gates

Roller nose diverter gates are a popular sawmill product. They’re available manufactured out of two materials, with the bulk being natural UHMW. They are; however, also available made from sturdy Redco 750 polyurethane. The nose kit with the roller is actually a popular, but optional, addition. It consists of two laser plates with a UHMW … Continue reading »

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Product Spotlight: Redco Pusher Lugs

The humble plastic pusher lug is a workhorse of the sawmill industry. Plastic pusher lugs, made from Redco polyurethane or UHMW, offer excellent impact and low-temperature tolerance (especially UHMW). These lugs will not mark the wood and also absorb shock. Being lighter than metal, these lugs reduce the amount of power required to move the … Continue reading »

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Oregon Bends

Oregon bends are segments of Redco chain channel that have been cut to a specified length and bent to a certain radius to go around equipment (see picture below). These bends are essential to allow the sawmill chain to return to the start of the table in a smooth and unbroken pattern. They can be … Continue reading »

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Quoting Trimmer Lugs

UHMW trimmer lugs are one of the most common plastic applications in sawmills. But quotes tend to be delayed when the request is just for “20 trimmer lugs, P & D please.”. All trimmer lugs are not created equal! Most are made from natural (white) UHMW polyethylene; however, that’s there the ‘standard’ of this part … Continue reading »

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Redco Titanium And Tivar 88 In Sawmill Applications

Don’t let the title of this article fool you: it is not about comparing and contrasting Redco Titanium vs. Tivar 88. In fact, we here at Redwood Plastics would consider those plastics virtually interchangeable in sawmill applications. Both are premium types of UHMW, both will outwear and outlast reprocessed and natural grade UHMW in similar … Continue reading »

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