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Mon-Thu: 07:00 - 17:00; Fri: 07:00 - 16:00; Sat and Sun: CLOSED 8th street, C-24, down river, Panama Province, Panama City, Republic of Panama +507 60765295 +507 62125065 2039025 / 2039019 contacto@grupokefren.com


WHAT IS POLYVINYL BUTYRAL Published 23/10/2020 An important point to take into account during the execution of a project that requires glass elements is its degree of safety. This level of safety depends, among other things, on the installation area of ​​the

NYLON Published 22/11/2021 Within the world of manufacturing parts and products, there are materials that have marked a before and after in modern industry, either because of their characteristics and properties, particular uses or simply because of their durability and ease of

POLYAMIDES, MATERIALS USED IN ACCESSORIES FOR DOORS AND WINDOWS Published 01/10/2021 In the manufacture of aluminum doors and windows for homes or offices, apart from the use of resistant aluminum profiles and high-quality glass panels, the use of plastic accessories used for

ALUMINUM ALLOY 6063-T5. MATERIAL USED FOR THE MANUFACTURE OF ALUMINUM PROFILES Published 14/10/2020 The aluminum profiles that exist today are used in endless structural and architectural applications. Depending on the type of profile and the chemical composition of the aluminum used, the

AISI 304 STAINLESS STEEL Published 16/10/2020 Existing steel alloys are mainly subdivided into metallurgical families. These families classify each variation of stainless steel, taking its crystalline structure as the first reference. Within the currently known categories we have ferritic, austenitic, martensitic and

AISI 316 STAINLESS STEEL Published 19/10/2020 Within the existing metallurgical families, we have the 300 series stainless steel family. This family, with an austenitic crystalline structure, has various types of alloyed materials. Next, we are going to get to know AISI 316

WHAT IS ZINC ALLOY? Published 04/06/2021 Among the materials used in the manufacture of accessories for bathroom doors, we have nickel-plated bronze, which we already talked about in the previous post. In addition to this material, the economic line of accessories is

METALWORK. ALL YOU NEED TO KNOW Published 11/06/2021 Metal carpentry is an ancient profession that has become more important today. We all know traditional carpentry, which consists of the manufacture of furniture, architectural and structural elements using the different types of wood