Guides
Sixteen articles on specifying, importing and inspecting glass marbles — written for buyers, with the actual figures rather than a sales pitch.
SunWard's four-step process for specifying glass marbles: diameter from the application, finish from the sales channel, packing from the destination, then the commercial terms.
Chips, out-of-round pieces, colour drift and foreign matter are the four defects that get a marble shipment rejected. How to sample, what to write into the PO, and what evidence to demand.
Glass is inert in water, but dyed and coated marbles are not. What to test on a sample, which diameter suits which tank, and how to buy aquarium-grade marbles in bulk.
How many marbles a Chinese checkers or solitaire set actually needs, why colour sorting drives your unit cost, and which retail packing formats work for game sets.
Why aerosol cans use a glass marble as a mixing ball, how to match the diameter to the can, and what the glass has to be for a filling line.
The four inputs that set your glass marble unit price, why packing moves freight more than the marble does, and the checks to agree before you release a balance payment.
When an opaque porcelain-style or speckled sesame glass marble outperforms clear glass, which diameters suit decor and aquarium channels, and how to specify the finish.
How 2, 3, 4 and 8-petal cat's eye glass marbles differ, which diameters suit which products, and how to control pattern consistency before a bulk order.
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