Wholesale high fire sponges, fire sponges manufacturers Dongguan bridge

Wholesale high fire sponges, fire sponges manufacturers Dongguan bridge Dongguan City Yu Rong Industrial Co., Ltd. is a manufacturer of sponge sponge manufacturers, approved by the state industrial and commercial department of the general taxpayer enterprises. Main business: foam, foam, fire retardant foam, packaging foam, high-density sponge, absorbing sponge, sponge massage equipment, furniture and utensils. Customers can also request the production of various colors sponge. Wholesale high fire sponges, fire sponges Dongguan bridge manufacturers. Details can be landing http://www.dgyurong.com fire sponges typically 30 or more, said density sponge. Density is an important indicator species, high density foam, which explained the small gap, the greater the quality is mainly used for good flexibility, toughness, good product. Such as high-end furniture manufacturing, massage equipment manufacturing, mattresses and car seat manufacturer. Wholesale high fire sponges, fire sponges Dongguan bridge manufacturers. Density calculation method is mainly: weight / volume. Sponge in the industry to distinguish the method is to divide the density, density of the sponge is KG / M3. Is the weight per cubic meter sponge. For example: 40 is the weight of one cubic meter density foam is 40 kg, 50 per cubic meter density is generally 50KG high-density foam hardness is also high, but do not rule out some high-density foam adds ultra-soft aid. agents, so that the sponge becomes ultra soft. used to do sound-absorbing cotton, sofa cushions, soft packing material. Low over the sea to make a general protection material. According to national customs authorities to explain the density of> = 45 for high density, medium density 18. Low Density