Black Glass Fiber Reinforced Nylon Sheet

Glass Fiber Reinforced Nylon Sheet is a black glass-filled polyamide material developed for industrial components requiring increased rigidity, mechanical strength, dimensional stability and machining performance. It can be processed into gears, structural supports, guide plates, fixture blocks, bearing housings, mounting plates and other CNC-machined components. The supplied size chart includes five panel formats and fifteen thickness options from 3 mm to 50 mm, providing a total of 75 listed size combinations.

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Description

Product Description

Glass Fiber Reinforced Nylon Sheet for High-Strength Industrial Components

Glass Fiber Reinforced Nylon Sheet is a reinforced engineering plastic manufactured by combining a polyamide base resin with glass fibers. The reinforcement is intended to improve rigidity, mechanical strength, creep resistance and dimensional stability compared with an equivalent unfilled nylon grade.

The material is normally supplied in black or another grade-specific color and can be converted into square blanks, rectangular panels or finished CNC-machined components. Common products include gears, structural supports, guide plates, bearing housings, fixture blocks, mounting plates, equipment brackets, insulating supports and mechanically loaded machine parts.

The term “glass fiber reinforced nylon” describes a family of reinforced materials rather than one universal formulation. The base resin may be PA6, PA66 or another polyamide grade, while the glass-fiber content and additive system may vary between manufacturers. The exact base polymer, reinforcement level and technical properties should therefore be confirmed before production.

Visit our engineering plastic manufacturing homepage to learn more about our material supply and CNC machining capabilities. You can also review the available sizes, technical specifications, typical applications and machining services below.

For general material information, visit Wikipedia’s explanation of a glass-filled polymer. Additional background information about the base polymer is available in Wikipedia’s article about nylon.

Key Features of Glass Fiber Reinforced Nylon Sheet

Increased Rigidity

Glass-fiber reinforcement normally increases the stiffness of the nylon matrix. This makes Glass Fiber Reinforced Nylon Sheet suitable for structural components that need to resist bending or deformation under mechanical load.

Actual rigidity depends on the base nylon grade, glass-fiber content, fiber orientation, sheet thickness, operating temperature and environmental moisture. Finished components should be evaluated according to their complete structure rather than the material name alone.

Improved Mechanical Strength

Glass Fiber Reinforced Nylon Sheet can provide greater tensile, flexural and compressive performance than an equivalent unfilled nylon grade. It is commonly selected for equipment supports, mounting blocks, bearing housings, fixture parts and other mechanically loaded components.

Load capacity also depends on hole positions, wall thickness, unsupported span, fastening method, stress concentration and whether the load is static, dynamic or intermittent.

Better Dimensional Stability

Glass-fiber reinforcement can reduce dimensional movement caused by mechanical loading and temperature changes. This is useful for machined components that require greater rigidity and more stable positioning than ordinary unfilled nylon can provide.

The nylon matrix can still absorb moisture. Precision tolerances must therefore consider the material conditioning state, environmental humidity and operating temperature.

Improved Creep Resistance

Glass Fiber Reinforced Nylon Sheet can provide improved resistance to long-term deformation under sustained load compared with unfilled nylon. It may be used for supports, mounting plates, brackets and structural machine components.

Continuous load, temperature, component thickness and fastening arrangement must still be evaluated because thermoplastic materials can deform over time when exposed to sufficient stress.

Wear and Contact Performance

The reinforced material can be used for gears, supports, guides and other components exposed to repeated mechanical contact. Increased rigidity and surface hardness can provide stable performance in suitable wear applications.

Glass fibers may make the material more abrasive against soft mating surfaces than unfilled nylon. Shaft hardness, rail material, surface finish and lubrication conditions should therefore be evaluated before selecting the material for continuous sliding applications.

Heat-Related Dimensional Control

Glass-fiber reinforcement can reduce thermal expansion and help improve dimensional control compared with an equivalent unreinforced nylon material.

The allowable operating temperature is not identical for every Glass Fiber Reinforced Nylon Sheet grade. Continuous temperature, short-term peak temperature, applied load and exposure time should be confirmed through the selected material data sheet.

Electrical Insulation

Selected Glass Fiber Reinforced Nylon Sheet grades can provide useful electrical insulation and may be machined into mounting supports, terminal supports, separation plates and equipment-protection components.

Moisture absorption, glass-fiber content and other additives may affect electrical performance. A verified material grade should be selected when dielectric strength or volume resistance is a critical requirement.

Corrosion-Free Material

Glass Fiber Reinforced Nylon Sheet does not rust like ordinary carbon steel. It can be used in humid industrial environments and equipment where corrosion is a concern for unprotected metal parts.

Chemical compatibility depends on the base nylon grade, contacting chemical, concentration, operating temperature and exposure time. Compatibility should be confirmed before contact with strong acids, strong alkalis, oxidizing substances or unusual solvents.

Suitable for CNC Machining

Glass Fiber Reinforced Nylon Sheet can be saw cut, milled, drilled, bored, reamed, tapped, slotted, countersunk and machined into complex industrial components.

Because glass fibers increase cutting-tool wear, carbide or other wear-resistant tools are normally preferred. Cutting speed, feed rate, clamping pressure and cooling method should be selected according to the material grade and finished-part requirements.

Available Glass Fiber Reinforced Nylon Sheet Sizes

The supplied manufacturable-size chart contains five panel formats. Each panel format has the same fifteen selectable thicknesses, providing a total of 75 listed length, width and thickness combinations.

All dimensions below are presented as length × width × thickness, with values shown in millimetres. These dimensions represent selectable or manufacturable specifications rather than guaranteed inventory.

Panel Formats and Thickness Options

Panel Size Available Thicknesses Number of Combinations
50 × 50 mm 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm 15
100 × 100 mm 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm 15
150 × 150 mm 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm 15
200 × 200 mm 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm 15
300 × 300 mm 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm 15

Size summary: Available panel formats are 50 × 50 mm, 100 × 100 mm, 150 × 150 mm, 200 × 200 mm and 300 × 300 mm. Each format is listed in thicknesses of 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm.

The complete chart therefore contains five panel formats multiplied by fifteen thickness options, giving 75 listed combinations. Actual base nylon grade, black color, glass-fiber content, stock status, cutting allowance and production schedule should be confirmed before ordering.

For CNC-machined components, the selected Glass Fiber Reinforced Nylon Sheet blank should normally be larger and thicker than the finished part. Allowance is required for edge cleaning, clamping, rough machining, surface finishing and final dimensional inspection.

Glass Fiber Reinforced Nylon Sheet Technical Specifications

Item Typical Specification
Product name Black Glass Fiber Reinforced Nylon Sheet
Focus keyword Glass Fiber Reinforced Nylon Sheet
Material family Glass-fiber-reinforced polyamide engineering plastic
Possible base resin PA6, PA66 or another confirmed polyamide grade
Color Black
Glass-fiber content Confirmed according to the selected material grade
Listed panel formats 50 × 50, 100 × 100, 150 × 150, 200 × 200 and 300 × 300 mm
Listed thickness range 3–50 mm
Listed thicknesses 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm
Total listed combinations 75
Supply form Square blank, cut panel, machining block or finished CNC-machined component
Available processing Cutting, milling, drilling, boring, reaming, tapping, slotting and profile machining
Surface condition Cut, planed or CNC-machined according to order requirements
Dimensional tolerance Confirmed according to panel size, thickness, material grade and finished-part drawing
Final suitability Depends on load, temperature, humidity, wear, impact, chemical exposure and mating material

Technical note: Density, mechanical strength, flexural modulus, moisture absorption, heat performance and electrical properties vary with the base resin and glass-fiber content. Final technical values should be taken from the approved material data sheet rather than estimated from color or appearance.

Typical Applications of Glass Fiber Reinforced Nylon Sheet

Structural Supports and Mounting Blocks

Glass Fiber Reinforced Nylon Sheet can be machined into equipment supports, mounting blocks, brackets and machine bases. Its increased rigidity is useful where the finished component must maintain its shape under mechanical load.

Fixture and Positioning Components

The material can be processed into fixture blocks, locating plates, positioning supports, clamping components and inspection-tool parts.

Hole positions, reference surfaces and geometric tolerances should be selected according to environmental humidity, operating temperature and required assembly accuracy.

Industrial Gears

Suitable Glass Fiber Reinforced Nylon Sheet blanks can be machined into spur gears, helical gears and other transmission components requiring increased rigidity.

Glass-filled nylon gears may transmit higher loads than an equivalent unfilled nylon grade, but tooth profile, rotational speed, impact, lubrication and wear on the mating gear must be evaluated before selection.

Bearing Housings and Shaft Supports

The reinforced material can be used for bearing housings, shaft supports, retaining plates and other structural components surrounding a bearing or rotating assembly.

Bearing fits should account for machining tolerance, operating temperature, moisture absorption and the direction of mechanical loading.

Guide Plates and Machine Guides

Glass Fiber Reinforced Nylon Sheet can be machined into guide plates, positioning rails and machine-guiding components where rigidity is more important than extremely low sliding friction.

For continuous sliding against a soft metal shaft or rail, the abrasiveness of exposed glass fibers should be evaluated. A self-lubricating nylon, POM or UHMWPE grade may be more suitable for some low-friction applications.

Electrical and Electronic Equipment

Selected grades can be used for insulating supports, mounting plates, terminal supports, spacers and protective structural components.

Electrical performance must be verified through a grade-specific data sheet when the part is installed near live conductors or in high-voltage equipment.

Automotive and Mechanical Equipment

Typical components include brackets, housings, supports, adjustment blocks, mounting plates and protective machine parts. The lower weight of reinforced nylon compared with metal can simplify component handling and assembly.

Automation Equipment

Glass Fiber Reinforced Nylon Sheet can be processed into fixture plates, positioning parts, sensor supports, machine brackets and structural components containing holes, slots, recesses and threaded features.

Industrial Replacement Parts

Finished components can be produced when an original component is worn, corroded, damaged or difficult to obtain. Manufacturing can be based on two-dimensional drawings, three-dimensional models, physical samples or measured installation dimensions.

Problems Addressed by Glass Fiber Reinforced Nylon Components

  • Insufficient rigidity of ordinary unfilled nylon components
  • Deformation of supports and mounting components under load
  • Heavy metal parts that are difficult to install
  • Corrosion of conventional steel components
  • Complex structures requiring CNC machining
  • Need for mechanically strong insulating supports
  • Dimensional movement caused by mechanical loading
  • Frequent replacement of low-strength plastic components

Glass Fiber Reinforced Nylon Sheet Compared with Standard Nylon Sheet

Standard unfilled nylon generally provides greater impact toughness and may be less abrasive against mating surfaces. Glass Fiber Reinforced Nylon Sheet normally provides greater rigidity, mechanical strength, creep resistance and dimensional stability.

The reinforced material may have lower elongation and can be more sensitive to impact near sharp corners. Material selection should consider stiffness, impact, sliding contact, humidity, machining requirements and finished-part structure.

Glass Fiber Reinforced Nylon Sheet Compared with POM Sheet

Glass Fiber Reinforced Nylon Sheet is commonly selected for structural parts requiring rigidity, strength and improved heat-related dimensional control.

POM generally absorbs less moisture and may provide better dimensional stability and sliding behavior for some precision guides, rollers, bushings and close-fitting components. The correct material depends on load, humidity, friction, tolerance and operating temperature.

Glass Fiber Reinforced Nylon Sheet Compared with Aluminum

Glass Fiber Reinforced Nylon Sheet is lighter and corrosion-free and may provide electrical insulation and reduced contact noise. Aluminum normally provides higher overall rigidity, thermal conductivity and tighter long-term dimensional control.

Reinforced nylon should only replace aluminum after load, temperature, fastening method, creep, fire performance and dimensional requirements have been evaluated.

Moisture Absorption and Dimensional Stability

The nylon matrix is hygroscopic and can absorb moisture from the surrounding environment. Glass-fiber reinforcement can reduce dimensional movement but does not eliminate moisture absorption completely.

The following factors should be reviewed for precision-machined components:

  • Dry or conditioned material state
  • Workshop and operating humidity
  • Operating temperature
  • Required fitting clearance
  • Contact with water, steam or cleaning liquids
  • Final inspection environment
  • Dimensional and geometric tolerance requirements

Glass Fiber Reinforced Nylon Sheet CNC Machining Services

Black Glass Fiber Reinforced Nylon Sheet can be supplied as a square blank, cut panel or finished component manufactured according to drawings, models, samples or installation measurements.

Available machining processes include:

  • Square and rectangular blank cutting
  • CNC milling and profile machining
  • Hole drilling and boring
  • Precision-hole reaming
  • Internal and external thread machining
  • Groove and slot machining
  • Step and recess machining
  • Countersunk-hole machining
  • Gear and structural-part machining
  • Bearing-housing machining
  • Fixture and positioning-block machining
  • Chamfering and edge finishing
  • Finished-part inspection according to drawings

Use Wear-Resistant Cutting Tools

Glass fibers can accelerate tool wear. Sharp carbide tools or another suitable wear-resistant cutting-tool system should be used to maintain surface quality and dimensional consistency.

Control Clamping Pressure

Excessive clamping force may deform thin blanks or damage corners. The component should be supported across a sufficient area during machining and inspection.

Avoid Sharp Internal Corners

Sharp internal corners can create stress concentration. Suitable radii and gradual section transitions should be used where the component is exposed to impact or cyclic loading.

Reserve Sufficient Machining Allowance

The selected raw blank should be larger than the finished component. Allowance is required for edge cleaning, workholding, rough machining and final finishing.

How to Select the Correct Glass Fiber Reinforced Nylon Sheet

The material should be selected according to the complete operating conditions rather than black color or product name alone.

Please provide the following information before production:

  • Required base nylon grade
  • Required glass-fiber content or approved material specification
  • Finished-part drawing or physical sample
  • Required length, width and thickness
  • Hole, groove, thread and step positions
  • Dimensional and geometric tolerances
  • Required quantity
  • Static, dynamic and impact loads
  • Operating temperature and humidity
  • Contact or mating material
  • Electrical insulation requirements
  • Chemical-contact conditions
  • Continuous or intermittent operation

Frequently Asked Questions

How many Glass Fiber Reinforced Nylon Sheet sizes are listed?

The supplied chart contains five panel formats and fifteen thickness options, giving a total of 75 listed size combinations.

What panel formats are available?

The listed panel formats are 50 × 50, 100 × 100, 150 × 150, 200 × 200 and 300 × 300 mm.

What thicknesses are shown?

The listed thicknesses are 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45 and 50 mm.

Does the image identify the glass-fiber percentage?

No. The image only lists panel dimensions and thickness options. Glass-fiber content must be confirmed through the material specification.

Is every black nylon sheet glass-fiber reinforced?

No. Black color may result from pigment, carbon black or another additive. The approved material grade or technical data sheet should confirm whether glass fiber is present.

Can Glass Fiber Reinforced Nylon Sheet be CNC machined?

Yes. It can be machined into gears, supports, fixture blocks, mounting plates, bearing housings, guides and other industrial components.

Is glass-fiber-reinforced nylon suitable for sliding directly against metal?

It may be used in selected sliding applications, but exposed glass fibers can increase wear on softer mating surfaces. Shaft hardness, surface finish, load, speed and lubrication should be evaluated.

Does Glass Fiber Reinforced Nylon Sheet absorb moisture?

Yes. The nylon matrix can absorb moisture. Reinforcement may reduce dimensional movement but does not eliminate moisture absorption.

Can finished parts be manufactured according to drawings?

Yes. Cut blanks and finished CNC-machined parts can be supplied according to drawings, models, physical samples or installation measurements.

Are all 75 specifications always available from stock?

No. The chart represents selectable or manufacturable specifications. Actual availability depends on the base nylon grade, glass-fiber content, quantity and production schedule.

Quality Control

Quality Control and Delivery Standards

Drawing & Material Check

Check drawings for full specifications and confirm materials according to service conditions to prevent product defects.

Machining Quality Control

Inspect all key processing steps and fully verify dimensions, holes, grooves and fitting surfaces.

Finishing & Batch Control

Deburr, chamfer and clean products for easy installation. Ensure uniform quality among batch products.

Packaging & Delivery

Choose appropriate packaging solutions based on product features to protect goods from collision, deformation and mixing during transit.

Processing Quality Control of Engineering Plastics Parts

Unlike metal parts, engineering plastic components still require strict control over dimensions, holes, edges, surface, materials and assembly performance for equipment use.

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