Product Overview

Grindfil™ DM combines premium PA6, PA66, and PA612 nylon substrates embedded with evenly dispersed diamond abrasives. Precision-manufactured via melt extrusion and stretch-setting, it delivers high rigidity, exceptional resilience, superior wear resistance, and outstanding heat resistance. Engineered with an optimal balance of stiffness and toughness, it provides consistent, high-efficiency grinding performance.

Key Specifications

Cross-Section: Customizable upon request 

Color: Customizable upon request 

Diamond Grit Sizes: 46#, 80#, 120#, 180#, 200#, 240#, 320#, 400#, 500#, 600#, 800#, 1000#

Material & Technical Properties

Tai Hing Grindfil™ DM (PA612 Base)

Filament Diameter：0.25-2.7mm

Standard Bundle Diameter：50±2mm

Cut Length Range：25mm-1220mm (Tolerance: ±2 mm)

Standard Cut Length：1200mm

Melting Temperature：200-210℃

Softening Temperature：130℃

Flexural Strength：Medium

Straightness: Good

Bend Recovery: High

Tensile Strength: High

Packaging Options: White crepe paper bundle, PE tubing, or self-adhesive film bundle

Regulatory Compliance: RoHS, REACH SVHC, California Prop 65

Tai Hing Grindfil™ DM (PA66 Base)

Filament Diameter：0.25-2.7mm

Standard Bundle Diameter：50±2mm

Cut Length Range：25mm-1220mm (Tolerance: ±2 mm)

Standard Cut Length：1200mm

Melting Temperature：245-255℃

Softening Temperature：220℃

Flexural Strength：LOW

Straightness: Good

Bend Recovery: High

Tensile Strength: High

Packaging Options: White crepe paper bundle, PE tubing, or self-adhesive film bundle

Regulatory Compliance: RoHS, REACH SVHC, California Prop 65

Tai Hing Grindfil™ DM (PA6 Base)

Filament Diameter：0.25-2.7mm

Standard Bundle Diameter：50±2mm

Cut Length Range：25mm-1220mm (Tolerance: ±2 mm)

Standard Cut Length：1200mm

Melting Temperature：215-225℃

Softening Temperature：140℃

Flexural Strength：LOW

Straightness: Good

Bend Recovery: High

Tensile Strength: High

Packaging Options: White crepe paper bundle, PE tubing, or self-adhesive film bundle

Regulatory Compliance: RoHS, REACH SVHC, California Prop 65

Physical Performance Features

 1.High Rigidity: Quickly and cleanly removes burrs from metal, stone, and wood surfaces.

2.Superior Resilience: Recovers rapidly from bending under pressure, conforming perfectly to irregular and curved surfaces for uniform, dead-zone-free finishing.

3.Exceptional Wear Resistance: Resists wear and flattening during continuous high-speed operations, extending service life and lowering replacement costs.

4.Thermal Stability: Withstands friction-generated high heat without softening or deforming, maintaining consistent performance.

5.Balanced Toughness: Perfectly balanced flexibility and hardness—stiff yet non-brittle, preventing filament snapping and minimizing debris.

6.Consistent Cutting Action: Retains a sharp, aggressive bite throughout its lifecycle, delivering uniform surface roughness from start to finish.

Applications

Designed for high rigidity, flexibility, and heat resistance, Grindfil™ DM excels across diverse grinding and finishing tasks:

1.Industrial Cleaning & Deburring Performance

Removes heavy flash, burrs, and mill scale from metal corners; conforms smoothly to irregular components and deep grooves. Best For: Batch deburring, surface polishing, and cleaning of hardware accessories, precision mechanical parts, and die-cast products.

2. Stone Processing Performance

Smooths out rough textures, sharp edges, and surface scratches; flexes to fit rounded profiles and intricate carved details without flattening. Best For: Edge trimming, texture refinement, and matte finishing on marble, granite, and engineered stone.

3. Woodworking & Finishing Performance

Removes splinters, wood fuzz, and rough cut marks; reaches deep into grooves, carved details, and curved solid wood parts.  Best For: Edge trimming and polishing of solid wood furniture, carved crafts, and wooden panels, leaving a smooth, splinter-free surface.