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Sizing in papermaking is a crucial process that influences the paper's performance and characteristics. It involves treating the paper fibres with a variety of substances to control the paper's absorbency and strength. Sizing can be applied externally, known as surface sizing, or internally, referred to as internal sizing. Surface sizing is the application of chemicals onto the surface of the paper after it has been formed. This process h...

GSM and poundage are two different ways to measure the weight of paper, and they are commonly used in different parts of the world.GSM stands for grams per square metre, and it is a metric measurement of paper weight. It represents the weight of one square meter of paper in grams. For example, a 100 GSM paper would weigh 100 grams per square metre.Poundage, on the other hand, is a measurement of paper weight that is commonly used in the USA...

Unprimed canvas weight is often given in ounces because historically, canvas was primarily produced and sold in the United States, where the imperial system of measurement (ounces, pounds) is used. The weight of unprimed canvas is usually expressed in ounces per square yard eg 12oz.Primed canvas weight, on the other hand, is usually given in grams per square metre because it is more commonly produced and sold in Europe, where the metric sys...