• Fiber Glass Chopped Strands For BMC System 1
  • Fiber Glass Chopped Strands For BMC System 2
Fiber Glass Chopped Strands For BMC

Fiber Glass Chopped Strands For BMC

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1.Brief Introduction

Chopped Strands for BMC are compatible with unsaturated polyester, epoxy resin and phenolic resins.
The end-use applications include transportation, building & construction, electronic & electrical, mechanical, and light industry.


2.Product Features
Extremely low resin demand, delivering low viscosity to BMC paste
High impact strength; High LOI rate
High strand stiffness; Compatible with rubber


3.Product Specifications

Property

Fibre diameter

Moisture Content

Size Content

Chop

 

(%)

(%)

(%)

(%)

Mathods

IS01888

ISO3344

ISO1887

 

3mm

±10

≤3.0

0.1±0.05

98

6mm

9mm

12mm

Special specification can be produce according to customer requirements.

Fiber Glass Chopped Strands For BMC

4.FAQ

Packaging:
Each bag can be taken (15-25kgs)。 Could also take a big container bag.
Storage:
Unless otherwise specified, It should be stored in a dry, cool and rain-proof area. It is recommended that the room temperature and humidity should be always maintained at 15℃~35℃ and 35%~65% respectively.

Q:How is fiberglass chopped strand different from fiberglass roving?
Fiberglass chopped strand and fiberglass roving share similarities as reinforcement materials used in various industries, yet they differ significantly in several key aspects. To begin with, their manufacturing processes vary. Fiberglass chopped strand is created by cutting continuous glass fibers into short lengths, which are then bundled together using a sizing agent. Conversely, fiberglass roving is produced by directly pulling molten glass through a bushing, resulting in continuous filaments. Another distinguishing factor is the length of the fibers. Typically, fiberglass chopped strand consists of shorter fibers, ranging from 1/8 to 2 inches in length. In contrast, fiberglass roving comprises longer continuous strands that can span from 100 to 400 yards. Their applications also set them apart. Due to its shorter fiber length, chopped strand is commonly utilized as a reinforcement material for thermoplastic and thermosetting resins. It excels in processes such as injection molding and compression molding, where short fibers need to be evenly distributed within the matrix. On the other hand, fiberglass roving finds its place in applications requiring longer continuous fibers, like filament winding, pultrusion, and hand lay-up processes. Furthermore, the mechanical properties of these materials differ. Chopped strand offers excellent impact resistance, dimensional stability, and overall strength. However, its tensile strength tends to be lower compared to roving due to the short fibers. In contrast, fiberglass roving, with its longer continuous fibers, provides higher tensile strength, as well as superior resistance to fatigue and creep. In conclusion, the disparities between fiberglass chopped strand and fiberglass roving lie in their manufacturing processes, fiber length, application, and mechanical properties. Recognizing these distinctions plays a pivotal role in selecting the appropriate material for a specific application.
Q:What are the different certifications and standards applicable to fiberglass chopped strand?
There are several certifications and standards applicable to fiberglass chopped strand, which ensure the quality and safety of the product. Some of the most common certifications and standards include: 1. ISO 9001: This is a quality management system certification that ensures the manufacturer follows a set of internationally recognized quality standards in the production of fiberglass chopped strand. 2. ASTM D578-13: This is an American Society for Testing and Materials (ASTM) standard that provides specifications for glass fiber strands used in reinforced plastics. 3. UL 94: This is a flammability standard set by Underwriters Laboratories (UL) to assess the flammability of materials, including fiberglass chopped strand. 4. RoHS: The Restriction of Hazardous Substances (RoHS) directive restricts the use of certain hazardous substances in electrical and electronic equipment, including fiberglass chopped strand. 5. REACH: The Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation is a European Union standard that aims to ensure the safe use of chemicals, including those used in the production of fiberglass chopped strand. 6. JIS: The Japanese Industrial Standards (JIS) specify the standards for industrial activities in Japan, including the production and use of fiberglass chopped strand. 7. OSHA: The Occupational Safety and Health Administration (OSHA) sets regulations and standards for workplace safety in the United States, including those related to the handling and use of fiberglass chopped strand. These certifications and standards provide assurance to consumers and end-users that the fiberglass chopped strand meets certain quality, safety, and environmental requirements. It is essential for manufacturers and suppliers to comply with these certifications and standards to ensure customer satisfaction and regulatory compliance.
Q:How does the cost of fiberglass chopped strand compare to other reinforcement materials?
The cost of fiberglass chopped strand is generally more affordable compared to other reinforcement materials. Fiberglass is widely available and has been in use for many years, leading to economies of scale and lower production costs. Additionally, fiberglass chopped strand provides excellent strength and durability, making it a cost-effective choice for various applications. Other reinforcement materials like carbon fiber or Kevlar may offer superior strength and performance, but they are significantly more expensive. Thus, fiberglass chopped strand is a popular choice for industries that require a balance between cost and performance.
Q:Can fiberglass chopped strand be used in the production of sporting goods?
Yes, fiberglass chopped strand can be used in the production of sporting goods. Fiberglass chopped strand is a versatile material that offers several benefits for the manufacturing of sporting goods. It is lightweight, strong, and has excellent tensile strength, making it ideal for applications that require durability and high performance. In sporting goods production, fiberglass chopped strand is commonly used in the construction of various components such as hockey sticks, tennis rackets, golf clubs, and bicycle frames. Its high strength-to-weight ratio allows for the creation of lightweight yet robust products, enhancing the performance of athletes. Fiberglass chopped strand is also resistant to corrosion, which is beneficial for sporting goods that are exposed to moisture or outdoor elements. Furthermore, fiberglass chopped strand can be easily molded into different shapes and sizes, allowing for the production of complex designs and custom-made sporting goods. Its flexibility and ability to bond well with different resins make it an ideal material for creating composite structures that are strong and durable. Overall, fiberglass chopped strand is a suitable material for the production of sporting goods due to its lightweight, strength, durability, corrosion resistance, and versatility in manufacturing processes.
Q:Is fiberglass chopped strand resistant to UV rays?
No, fiberglass chopped strand is not inherently resistant to UV rays. It can degrade and become brittle when exposed to prolonged sunlight, so it requires additional protection or a UV-resistant coating when used in outdoor applications.
Q:Can fiberglass chopped strand be used in electrical insulating applications?
Yes, fiberglass chopped strand can be used in electrical insulating applications. This material offers excellent electrical insulation properties, high mechanical strength, and good resistance to heat and chemicals, making it suitable for a wide range of electrical insulation applications.
Q:What are the typical design considerations when using fiberglass chopped strand composites?
When utilizing fiberglass chopped strand composites, there are several key factors to take into consideration in the design process. First and foremost, it is essential to assess the mechanical properties of the chopped strand composites. Fiberglass composites are renowned for their excellent strength-to-weight ratio, making them highly desirable for numerous applications. However, the specific mechanical properties, including tensile strength, flexural strength, and impact resistance, will vary depending on the type of glass fibers, resin matrix, and manufacturing technique employed. Therefore, it is vital to fully comprehend the specific requirements of the application and carefully select the appropriate combination of materials and manufacturing methods to achieve the desired mechanical properties. Secondly, one must consider the dimensional stability of fiberglass chopped strand composites. These composites can experience thermal expansion and contraction, leading to dimensional changes in the final product. This can be particularly problematic in applications that necessitate strict tolerances. To address this issue, designers may need to incorporate design elements such as ribs, flanges, and gussets to enhance stiffness and minimize the risk of distortion. Another crucial consideration is the environmental durability of fiberglass chopped strand composites. Although these composites possess inherent resistance to many chemicals and environmental conditions like moisture and UV radiation, they can still experience degradation over time. Exposure to harsh chemicals, extreme temperatures, and prolonged UV exposure can weaken the composite material. As a result, it is crucial to evaluate the expected environmental conditions and select the appropriate resin formulation and protective coatings, if necessary, to ensure long-term durability. Furthermore, one must take into account the manufacturing process and cost considerations. Fiberglass chopped strand composites can be manufactured using various techniques, including hand lay-up, spray-up, filament winding, and pultrusion. Each method has its own advantages and limitations in terms of production rate, complexity of shapes, and cost. Designers must carefully assess the manufacturing requirements and choose the most suitable process that aligns with the desired design specifications and cost constraints. Lastly, it is of utmost importance to consider the safety and health aspects associated with fiberglass chopped strand composites. The handling and processing of fiberglass materials can release fine glass fibers, which can pose a health risk if inhaled. Designers should incorporate appropriate safety measures, such as dust control systems and personal protective equipment, to minimize the risk of exposure to fiberglass particles during manufacturing and product use. In conclusion, when working with fiberglass chopped strand composites, it is crucial to consider factors such as mechanical properties, dimensional stability, environmental durability, manufacturing process, cost, and safety. By carefully evaluating these aspects, designers can ensure that the final product meets the required performance, durability, and safety standards.
Q:Can fiberglass chopped strand be used for thermal insulation?
Fiberglass chopped strand has the ability to serve as thermal insulation. Its exceptional thermal insulation properties are well-known, making it a popular option for insulating structures and buildings. Chopped strand refers to smaller lengths of fiberglass strands that have been cut. These chopped strands can be utilized in different forms, such as loose fill, batts, or blankets, to offer insulation against heat transfer. The fibrous nature of chopped strand permits it to capture air pockets, thereby aiding in the reduction of heat transfer through conduction and convection. Additionally, fiberglass is a non-combustible substance, making it appropriate for thermal insulation applications where fire safety is a concern. All in all, fiberglass chopped strand is a versatile and efficient material for thermal insulation purposes.
Q:Can fiberglass chopped strand be used in the production of recreational vehicles?
Yes, fiberglass chopped strand can be used in the production of recreational vehicles. Fiberglass chopped strand is a versatile material that is commonly used in the manufacturing of various fiberglass-reinforced plastic (FRP) products, including recreational vehicles. It provides excellent strength and durability, making it an ideal choice for constructing the body panels, roofs, floors, and other structural components of RVs. The chopped strand is typically mixed with a resin matrix, such as polyester or epoxy, to form a composite material that is lightweight, yet strong. This composite can be molded into different shapes and sizes, allowing for the customization of RV designs and the creation of complex structures. One of the key benefits of using fiberglass chopped strand in RV production is its resistance to corrosion and weathering. Recreational vehicles often face harsh outdoor conditions, including exposure to UV radiation, moisture, and temperature fluctuations. Fiberglass reinforced with chopped strand provides a protective barrier against these elements, ensuring the longevity and durability of the RV's exterior. Additionally, fiberglass chopped strand offers excellent impact resistance, which is crucial for withstanding the vibrations and shocks encountered during travel on rough roads. It also has good thermal and electrical insulation properties, providing comfort and safety to the occupants of the recreational vehicle. Overall, fiberglass chopped strand is a reliable and widely used material in the production of recreational vehicles. Its strength, durability, resistance to corrosion, and versatility make it an excellent choice for constructing various components of RVs, contributing to their overall performance and longevity.
Q:Does fiberglass chopped strand improve the fatigue resistance of composite materials?
Fiberglass chopped strand has the ability to enhance the fatigue resistance of composite materials. Renowned for its strength and stiffness, fiberglass reinforces the material and improves its capacity to withstand cyclic loading and fatigue when included as chopped strands in a composite matrix. The random orientation of the chopped strands aids in distributing stress across the composite, thereby reducing the likelihood of crack initiation and propagation. The high tensile strength of fiberglass chopped strand also assists in preventing crack propagation, resulting in an increased fatigue life for the composite material. This reinforcement effect holds particular significance in industries such as aerospace, automotive, and sporting goods, where the composite material is exposed to repetitive loading or vibrations. Moreover, the exceptional properties of fiberglass, such as its moisture and chemical resistance, further contribute to the augmented fatigue resistance of the composite material. By preventing moisture penetration and chemical attacks, fiberglass chopped strand helps maintain the structural integrity of the composite, thereby extending its fatigue life. It is important to note that the specific design and composition of the composite material, including the type and quantity of fiberglass chopped strand used, as well as the matrix material, can influence the extent of improvement in fatigue resistance. Therefore, careful consideration and testing should be undertaken to optimize the composite formulation for the desired fatigue performance.

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