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22552 Cuttler Rd. New Caney Texas, 77357
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PTFE Glass, Film & UHMW Tapes
Our range of performance tapes includes: tapes with PTFE coated fiberglass, skived PTFE, high modulus PTFE, UHMW polyolefin and uncoated fiberglass. We utilize pressure sensitive silicone and acrylic adhesives that are engineered for strong adhesion and clean removal, requiring minimal or no residue.
PVC Window and Door Manufacturing
The manufacturing of PVC and plastic profiles often involves ‘welding’ two PVC frame sections together. This is accomplished by melting the two adjoining ends so that the melted plastic joins together and hardens in its welded state. The completed frames can be used to make windows, skylights, and some door profiles. Equipment used can be single point welders, 2 point welders, or 4 point welders.
Thermal Spray Masking
Thermal spray masking tapes, fabrics and compounds are designed to resist grit blast, wire arc spray, flame spray, plasma spray and HVOF spray coatings.
Protection of heat platen during corner weld process – PTFE glass tape or fabric is applied to weld plates to allow for heat to pass through the tape to accomplish a joint weld. The melted PVC will not adhere to the tape or fabric surface which allows for a clean weld.
The equipment used for this process can vary in size and complexity. The simplest equipment is referred to as a single point welder. This equipment allows the operator to weld one window corner at a time. It is typically used for custom window profiles, or by small companies with relatively low volumes of window production. The next style of equipment is semi-automated and is referred to as a two-point welder. As expected, this equipment allows the operator to weld two window corners at one time. The most popular style of equipment is used for high volume facilities – the equipment is referred to as a four-point welder. This equipment is usually more automated and allows for the sealing of a complete 4 corner window or door in one step.
The moving image shows a hot platen which is covered with PTFE-glass tape on both sides. The angled edge of the PVC profile becomes molten against the platen. The platen is then automatically removed and the two molten ends are pushed together and held in place while the molten plastic is held in place, forming the corner of a PVC window frame.