Pre-expander is an essential machine for producing EPS products. The machine is for preexpanding
polystyrene beads with expansion agent. Expanded beads through aging under normal pressure can be
used to produce all kinds of package products and blocks. EPS package products are suitable for packing
household appliance, instruments, gauges, chinaware, glassware and all valuable and crisp products.
EPS blocks are used for construction, heat insulation of car, ship and cooling house. EPS is good material
for heat insulation, sound insulation and vibration proof.
Function & Features: --All process works automatically including filling, expanding, sieving, grinding and conveying, etc. --With twice pre-expansion function, foam density could be 8-30 g/l. --Frequency conversion feeding equipment --Power-off protection device --Japanese relief valve
Packaging / New Building Materal / Plastic Foam Flotation / Decorating Material / Full Mould Casting / Protecting Material / Filter Material
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Expanded polystyrene is an organic material manufactured from crude oil by-products. The manufacturing process consists of the expansion of polystyrene beads in a mould, which contains an expanding agent, pentane. When submitted to water vapour, the beads expand until they completely fill the mould. During the expansion process, the expanding agent dissipates and air is introduced to the cell structure. The final product is a rigid insulation comprised of a closed cell structure consisting of 98% air.
2.Where can expanded polystyrene be used? Expanded polystyrene, commonly known as EPS, made its mark as an insulation material in the 1950s. The variety of mould shapes and the possibility of producing at different densities has allowed the expanded polystyrene industry to meet almost any need for insulation, packaging and manufactured product components.
3.Why use expanded polystyrene? Expanded polystyrene demonstrates the properties of stability, durability and moisture resistance. Its low price, versatility, easy installation and insulation value/price ratio make it an insulation of choice for architects, estimators and contractors.
4.Is expanded polystyrene dangerous for the environment? Expanded polystyrene emits no ozone-damaging gas. This material is recyclable and reusable and retains its insulating value over the long term. To learn more, check out the Environment section.
5. How about your delivery time? Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
6.Can you produce according to the samples? Yes, we can produce mold by your samples or technical drawings.
7.Do you test all your machines before delivery? Yes, we have 100% test before delivery.
8.Do you have some videos where we can see the line producing? Yes, we can provide some videos for reference.
9.Why we select your company? More than 15 years experience in EPS industry.Our qualified products, our professional service and our reliablity will benefit your side more.
10.How is guarantee ?
All machinery guarantee is one year. In case any problem owing to quality issue during guarantee. We will take free changes.