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Foreign Orders We do accept foreign orders. Foreign customers pay any applicable tariffs or duties, and must furnish shipping instructions. We will package and obtain exact shipping costs based on your preferred shipping method, and will provide an order total which must be prepaid before we ship. When specifying shipping instructions, please remember that our packages are usually 8 feet (96 inches) long! Interested in great deals on vacuum variable capacitors, ceramic transmitting tubes, vacuum relays, roller inductors, test equipment, and more? From time to time all of these items can be found Vacuum relays and other RF relays Vacuum variable capacitors, "doorknob" capacitors, and transmitting tubes Test equipment, receivers, and transmitters Transformers. Ultraviolet radiation from the sun does not affect aluminum, but in time, will affect untreated fiberglass. For this reason reflectors contain a stabilizing additive in the resin which effectively eliminates this problem. Throughout history, manufacturers have found a way to create confusion within their markets. Some do it intentionally to overcome their inability to sell their products or services based upon the merits of the product or service. Other manufactures simply ignore the fact that many users of their products have absolutely no background regarding the product and need the most fundamental information from which to build their knowledge base. The antenna industry, by use of vague terminology, has created some confusion too. Two of these areas, "factory pre-tuned" and "tunable antenna", will be explored. industrial activities include raw material extraction to manufacture glass, sodium bicarbonate, as well as sodium silicate and bicarbonate, just to mention some specialized chemicals. Tencom is a manufacturer of fiberglass-reinforced composite rods. Through the use of the manufacturing process known as "Pultrusion", we are able to produce composite rod products in a variety of custom lengths and colors. Ourcompany is dedicated to providing its customers consistently high quality product at the very best prices and with no compromises in customer service. Our company can service almost any need in pultruded composite rod. If you use or are considering using composite rod, contact us for a competitive quote. Our company also offers several secondary operations, including the rods punching and drilling of fiberglass. Continuous fiber reinforcement in roving or mat/ roving forms are drawn through a resin bath to coat each fiber with a specially formulated resin mixture. The coated fibers are then drawn through a heated die.
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