Acrylic sheet with PVC bolt system
*(Acrylic Sheet with PVC Bolt & Nut Fixing System)*
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### 1. Introduction
Acrylic sheets are one of the most advanced transparent coating materials in industrial and construction projects today. In addition to their light weight and impressive optical effect, these sheets become one of the safest and most flexible modern skylights and facades when combined with the PVC bolt and nut installation system.
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### 2. Technical structure of acrylic sheet
Acrylic sheet is a type of transparent plastic based on *polymethyl methacrylate (PMMA)*.
This material with light transmission up to 92%, brightness and clarity equal to glass, but its weight is 50% less.
| Technical feature Approximate value Evaluation standard
| Density | 1.19 g/cm³ ISO 1183
| The passage of light 92% ASTM D1003
| Thermal resistance up to 80°C ISO 306
| Coefficient of thermal expansion 0.065 mm/m°C ASTM D696
| Impact resistance 6 times glass ISO 180
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### 3. PVC bolt installation system
This system, which is called PVC Bolt-Nut Mounting System for short, is used to securely connect acrylic sheets to metal or aluminum substructures.
System components:
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### 4. Advantages of using the PVC bolt system
| Advantage | Explanation |
|------|------|
| No corrosion and rust Due to the full PVC material in the entire connection set
| Excellent UV resistance Long lifespan in skylight and outdoor projects |
| 🔹 Clean installation without the need for glue Ease of maintenance |
| High thermal flexibility Preventing cracks in connection areas |
| 🔹 Connection without mechanical stress Maintaining the uniformity of the acrylic surface over time
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### 5. Specialized applications
Acrylic sheet with PVC bolt system is most effective in the following projects:
- Domed and arched ceiling skylights
- Transparent walls of industrial halls and greenhouses
- protective covering of city signs and luxury stands
- Construction of clear pools and industrial aquariums
- Lighting skins in concept view projects
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### 6. Production standards and quality control
This composition is controlled and tested according to the following international standards:
- ASTM D4802: Standard for production of extruded and worked acrylic sheet
- ISIRI 7175: Physical and optical properties of transparent construction plastics
- EN 13501-1: Behavior against fire (category B-s1, d0 for resistant sheets)
- ISIRI 8593: method of testing the weathering resistance of skylights
In all the projects of the brand *Hamadan Nurgir*, quality control tests are performed, including checking for leaks, thermal crack removal, and dynamic sealing tests.
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### 7. Installation execution details
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### 8. The advantage of the brand *Hamadan Norgir* in the implementation of this system
The combination of acrylic plates with mechanical PVC system in the implementation of skylights and transparent shells is done by Hamedan Noorgir Group with an engineering approach:
- Use of 3mm to 8mm thick acrylic sheets of HAMADAN CLEAR brand
- Designing the distance of screws based on the wind load of the area (according to ISIRI 2800)
- Seismic implementation for projects in earthquake-prone areas (Kerman, Tabriz)
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### 9. Summary
Acrylic sheet with PVC screw system is a combination of the unrivaled transparency of acrylic and the stable connection and anti-corrosion of PVC. This combination is considered a smart and lasting solution for skylight projects, transparent roofs and modern architectural shells.
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