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Comgrow 1KG Grey Tough PETG Review: Specs, Pros and Cons

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This comgrow 1kg grey tough petg review covers a spool designed for durable FDM printing. You get 1.75mm filament with a dimensional accuracy of +/- 0.02 mm. The material is PETG, which balances the ease of PLA with the strength of ABS. It is vacuum sealed to prevent moisture issues. This grey filament is ready for mechanical parts that need impact resistance. The tight tolerance helps ensure smooth feeding in most 1.75mm printers. You can rely on this spool for consistent layer adhesion and strong structural integrity in your prints.

What stands out

  • Dimensional accuracy of +/- 0.02 mm ensures precise printing
  • PETG material offers high impact resistance and durability
  • Vacuum sealed packaging prevents clogging and bubbling
  • Recommended nozzle temperature is 235-240°C for optimal results
  • 1kg net weight provides ample material for larger projects

Who it fits

Good fit for

You should choose this filament if you print functional parts like clamps, holders, or mechanical components. The tough PETG material handles stress better than standard PLA. If your printer requires tight tolerances, the +/- 0.02 mm accuracy helps maintain part fit. It suits users who want strong layer adhesion without the warping issues common in ABS. The vacuum sealing means you can trust the filament to feed smoothly, making it a reliable choice for everyday utility prints.

Who should skip it

You should skip this option if you need flexible or elastic prints, as PETG is rigid. If you require a glossy finish, the grey color is matte by default. Users who prefer high-speed printing might find the recommended 30mm/s speed too slow for their workflow. If you are printing with resin, this filament is incompatible. Also, if you need a specific color not listed, you must check the available variations, as this specific grey spool does not come in other shades.

Verdict: This spool delivers reliable strength and precision for functional prints. It is a solid choice for users prioritizing durability and consistent layer adhesion.

Key specs for this filament

Material Type: PETG

This material blends the ease of PLA with the durability of ABS. You get strong prints that resist impact without the warping issues common in ABS. It is ideal for mechanical parts, holders, and clamps. If you need functional items that survive daily use, this balance of toughness and printability suits your needs better than standard PLA.

Filament Diameter: 1.75mm

This is the standard width for FDM 3D printer filament. It ensures compatibility with the vast majority of desktop 3D printers on the market. You do not need to worry about feeder gear issues or nozzle mismatches. This standard size allows you to swap brands easily, making it a safe choice if you own multiple printer models.

Dimensional Accuracy: +/- 0.02mm

This tight tolerance ensures the filament thickness remains consistent throughout the spool. Consistent diameter leads to smooth feeding and uniform layer heights, reducing clogs and print defects. When shopping, look for values at or below 0.03mm. This precision helps you achieve high-quality surfaces and accurate dimensions in your final printed objects without constant calibration adjustments.

Net Weight: 1kg

You receive one kilogram of filament, which is a standard spool size for hobbyist and professional printing. This weight provides a sufficient volume for medium-sized projects without being overly heavy to handle. It allows you to plan your material usage accurately. Compare this with 2kg options if you print frequently, but start with 1kg to test the material behavior first.

Design and build specs

This filament is made from PETG, a material that blends the ease of PLA with the strength of ABS. According to the listing, it offers high impact resistance and excellent durability. This makes it suitable for mechanical parts, holders, and clamps that need to withstand stress. The grey color provides a neutral finish that is practical for functional prints rather than decorative displays.

You receive a 1KG spool, which weighs 1 pound. The filament diameter is 1.75mm with a dimensional accuracy of +/- 0.02 mm. This tight tolerance ensures smooth feeding and reduces clogging risks. The spool is vacuum sealed to protect against moisture and dust. This packaging helps maintain print quality by preventing bubbling during extrusion. The spool height is listed as 12 inches, which fits standard filament holders.

The listing recommends specific settings for optimal results. You should set the nozzle temperature between 235-240°C and the bed temperature to 70°C. Printing at 30mm/s helps achieve strong layer adhesion. These parameters reduce warping and improve structural integrity. The tough variant is designed for users who need reliable performance in FDM printers. It is compatible with most 1.75mm machines, making it a versatile choice for general purpose printing tasks.

Setup and daily use guide

Setting up this Comgrow filament is straightforward for most users. The spool contains 1.75mm PETG, a standard diameter that fits the majority of FDM 3D printers. You do not need special adapters or unique hardware to load it. The listing notes that the filament is thoroughly dried and vacuum sealed. This packaging choice protects the material from moisture and dust before you even open the spool. As a result, you should not encounter clogging or bubbling issues during your first print. The dimensional accuracy is listed at plus or minus 0.02 mm. This tight tolerance ensures smooth and steady feeding into your extruder. You will likely notice consistent extrusion without the need for frequent adjustments to your feed rate. For daily use, the manufacturer recommends specific settings to get the best results. You should set your nozzle temperature between 235 and 240 degrees Celsius. The bed temperature should be set to 70 degrees Celsius. Printing speed is recommended at 30 mm per second. These settings help leverage the material’s excellent layer adhesion. This feature reduces the risk of warping, which is common with other thermoplastics. The resulting prints have strong structural integrity. You can use this filament for mechanical parts, holders, and clamps. The tough nature of the PETG ensures high impact resistance. This makes it suitable for functional items that need to withstand stress. The grey color provides a neutral look for your projects. You can rely on these specifications to maintain consistent quality across multiple prints.

Before You Buy This Filament

You should verify your printer’s compatibility before loading this spool. The listing states it fits most 1.75mm FDM machines, but you must confirm your extruder can handle PETG’s specific friction and thermal needs. Ensure your build surface is suitable for the recommended 70°C bed temperature. You may need a brim or raft to prevent warping, as PETG can adhere strongly to glass or PEI. Store the vacuum-sealed spool in a dry place after opening to maintain its dimensional accuracy of +/- 0.02 mm. Moisture absorption can cause bubbling during prints. Compare this grey tough PETG against other variations like white or black options if color matters for your project. This filament sits alongside other durable materials in our guide, offering a balance between PLA’s ease and ABS’s strength. Check your nozzle temperature range to ensure it supports the suggested 235-240°C setting for optimal layer adhesion.

Check before you buy

  • Confirm your 1.75mm FDM printer supports PETG printing temperatures.
  • Check if your build plate handles 70°C bed heat.
  • Verify your extruder handles PETG friction and feed rates.
  • Ensure you have storage for opened vacuum-sealed spools.
  • Compare grey tough PETG against other color variations.

The product at a glance

Comgrow 1KG Grey Tough PETG Filament

Best for: functional mechanical parts

Material Type
PETG
Filament Diameter
1.75mm
Net Weight
1kg
Dimensional Accuracy
+/- 0.02 mm
Features
High Precision
Color
Grey

View on Amazon: Comgrow 1KG Grey Tough PETG Filament Affiliate link

This Comgrow filament is a 1.75mm PETG spool weighing 1kg. It features a dimensional accuracy of +/- 0.02mm for consistent feeding. The material offers high impact resistance and excellent layer adhesion. It is designed to prevent clogging and bubbling. You should use it for mechanical parts and durable holders. The recommended print settings include a nozzle temperature of 235-240°C.

Pros

  • Tough and durable with high impact resistance
  • Dimensional accuracy of +/- 0.02mm
  • No clogging or bubbles due to vacuum sealing
  • Excellent layer adhesion reduces warping

Cons

  • Single color option limits variety
  • Requires specific temperature settings
  • Heavier than 500g spools

Good fit if

  • You need durable mechanical parts
  • You want high precision prints
  • You print with FDM printers

Skip if

  • You require multi-color prints
  • You need resin filament
  • You prefer PLA material

Verdict: Comgrow 1KG Grey Tough PETG provides reliable precision for functional prints. It suits makers who prioritize strength and dimensional accuracy over aesthetic variety.

Specifications side by side

Spec Comgrow 1KG Grey Tough PETG Filament
Material Type PETG
Filament Diameter 1.75mm
Net Weight 1kg
Dimensional Accuracy +/- 0.02 mm
Compatible Material PETG
Features High Precision
Color Grey
Size 1KG
Resin Type Tough
Weight 1 pounds

Frequently asked questions

Is Comgrow Tough PETG suitable for functional mechanical parts?

Yes, this filament is designed for functional mechanical parts. The listing highlights its high impact resistance and excellent durability. You can rely on it for creating holders and clamps that need to withstand stress. It offers a balance of strength and ease of use, making it a practical choice for durable prints.

What is the dimensional accuracy of this filament?

The dimensional accuracy is plus or minus 0.02 mm. This precision ensures consistent layer adhesion and reliable print results. You can expect tight tolerances for parts that require precise fits. This level of accuracy supports the production of complex geometries without significant deviation from the digital model.

What color options are available for this 1KG spool?

This specific spool comes in a Grey color. The product data lists Grey as the sole color option for this 1KG package. It provides a neutral, professional look for mechanical components. If you require other colors, you would need to look for different SKUs from the same brand.

Does this filament work with most 3D printers?

It is designed to work with most standard FDM printers. The filament uses the common 1.75mm diameter, which is the industry standard. You just need to ensure your printer’s extruder can handle PETG’s thermal and friction requirements. It does not require special adapters for standard setups.

How much filament is on the spool?

The spool contains 1KG of filament. This equals approximately 1 pound of material. This weight is standard for many desktop 3D printers, allowing for substantial print jobs. You get a full spool ready for loading, providing a clear volume for planning your project outputs.

What type of material is used in this filament?

This filament is made from PETG resin. It is classified as Tough PETG, indicating enhanced durability. This material blends the ease of printing found in PLA with the strength of ABS. It resists impact and warping, making it ideal for parts that need to last.

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