Square rubber tubing
Square rubber tubing should be identified by a section drawing before its dimensions are compared with another tube. Establish whether square refers to the outer profile, the passage or both, and indicate the orientation required in the assembly. The source article also refers to solid rubber, so distinguish a solid extrusion from a hollow component at the outset. Its former 390 degrees Fahrenheit statement does not establish a working limit for an unspecified rubber compound. Select the material for the actual use and assess the completed section in its intended position.
This article lists four bore examples under its original size labels: size 1 at 6 mm, size 2 at 10 mm, size 5 at 19 mm and size 8 at 38 mm. Retain those references when discussing the existing range, but supplement them with the outside section and wall details. For a square opening, a single diameter does not describe the passage. Show the two internal dimensions, corner shape and any feature that locates the extrusion. Then specify the finished length and the appearance needed for the equipment, including whether the contents must be visible through the wall.
For square rubber tubing, assess a proposed section at the corners as well as along its flat faces. Clarify whether the required part has a hollow passage or is a solid profile, since the article uses both descriptions. A sample should represent the intended cross-section and the mating arrangement so the fit can be evaluated meaningfully. When arranging that sample, identify the material, required length and planned quantity; eligibility for free samples depends on the request. The agreed profile and application requirements then provide the basis for discussing the production order.
Product specifications
- Product form
- Square rubber section; confirm hollow tubing versus a solid extrusion before selecting the part.
- Section dimensions
- Identify whether square describes the outside, internal passage or both; provide width, height, corner radii and orientation.
- Wall and length
- For a hollow section, specify wall thickness at flat faces and corners together with finished cut length.
- Appearance
- Define color and whether contents must be visible through the wall at the ordered thickness.
- Fit evaluation
- Use a sample representing the intended section and mating arrangement; qualify the compound for the actual thermal and contact conditions.
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