# Trumbak FiberMech > Trumbak FiberMech Private Limited manufactures ribbed GFRP rebar, 6 mm to 25 mm, at its own plant in Changodar, Ahmedabad, Gujarat. The bar is glass set in a hard resin. It does not rust, weighs about a quarter of TMT, and is not bent on site. Quotes are issued for a stated diameter, quantity and delivery site. This site does not state a rupee rate. ## Contact - Factory: Shed No. 8, Plot No. 28/29, Ashwamegh Industrial Estate, Ahmedabad–Rajkot Highway, Changodar, Ahmedabad 382213, Gujarat, India - Phone: +91 82388 00961 - Email: info@trumbakfibermech.co.in - WhatsApp: https://wa.me/918238800961 ## Pages - [Home](https://trumbakfibermech.co.in/): manufacturer overview, sizes and uses - [Products](https://trumbakfibermech.co.in/products/): diameters and kilograms per metre - [Pricing](https://trumbakfibermech.co.in/pricing/): how a rate is quoted, with the weight table - [Technology](https://trumbakfibermech.co.in/technology/): how the Changodar line makes the bar - [Applications](https://trumbakfibermech.co.in/applications/): sea, bridge, water, precast and factory floors - [Company](https://trumbakfibermech.co.in/company/): the plant and how to visit - [Contact](https://trumbakfibermech.co.in/contact/): quote form, phone and email - [FAQ](https://trumbakfibermech.co.in/faq/): common questions, including names used in India - [GFRP vs TMT](https://trumbakfibermech.co.in/compare/): rust, weight, stiffness and site bending - [Standards](https://trumbakfibermech.co.in/standards/): IS 18256, IS 18255, IRC:137, ASTM D7957, ACI 440.1 - [Guides](https://trumbakfibermech.co.in/guides/): bending, cutting, weight, houses and limits - [Terms](https://trumbakfibermech.co.in/terms/): terms of use for this website ## Sizes | mm | kg per metre | Supply | | --- | --- | --- | | 6 | 0.065 | Coil to 100 m, or straight to 12 m | | 8 | 0.116 | Coil to 100 m, or straight to 12 m | | 10 | 0.175 | Straight to 12 m | | 12 | 0.250 | Straight to 12 m | | 16 | 0.450 | Straight to 12 m | | 20 | 0.685 | Straight to 12 m | | 25 | 1.070 | Straight to 12 m | ## Optional - [Full text](https://trumbakfibermech.co.in/llms-full.txt) - [Markdown homepage](https://trumbakfibermech.co.in/index.md) - [Markdown sitemap](https://trumbakfibermech.co.in/sitemap.md) - [Agent brief](https://trumbakfibermech.co.in/AGENTS.md) - [Sitemap](https://trumbakfibermech.co.in/sitemap.xml) - [MCP server card](https://trumbakfibermech.co.in/.well-known/mcp/server-card.json) - [A2A agent card](https://trumbakfibermech.co.in/.well-known/agent-card.json) - [AI catalog](https://trumbakfibermech.co.in/.well-known/ai-catalog.json) - [Agent skills](https://trumbakfibermech.co.in/.well-known/agent-skills/index.json)