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Dwc pipe extrusion line , hollow sheet extrusion line , wound pipe extrusion line , pvc pipe extrusion line , pe pipe extrusion line
Astm d 5036 standard practice for application of adhered poly(vinyl chloride) sheet roofing; astm d 3805 standard guide for application of aluminum-pigmented asphalt roof coatings; there are a few ansi standards that pertain to roof systems, including: ansi/spri rp-4 wind design standard for ballasted single-ply roofing systems
Coextrusion. coextrusion is the extrusion of multiple layers of material simultaneously. this type of extrusion utilizes two or more extruders to melt and deliver a steady volumetric throughput of different viscous plastics to a single extrusion head (die) which will extrude the materials in the desired form.
Direct extrusion process for wpc production. oceplast in aizenay, france, founder of the ocewood trademark, successfully commissioned a complete wpc direct extrusion line from kraussmaffei berstorff at the end of 2012. the special feature of the line is the single step process which permits direct metering of the two components, wood and pvc.

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