Harbro Sinterball 35/70 – High Performance Sandblast Grit

25kg Bags | Special Offer – 3 Bags for £93.00

Only £31.00 per bag (Standard Price £119.91 for 3)

Harbro Sinterball 35/70 is a premium sintered bauxite sandblasting grit, widely used in the monumental and stone industry as a high-quality alternative to aluminium oxide.

Known for its consistency, finish quality and durability, this is our most popular sandblast grit.

Product Specification

• Product: Harbro Sinterball Bauxite

• Grade: 35/70

• Bag Size: 25kg

• Sold As: 3 bag offer (75kg total)

• Finish Produced: Smooth, rounded letter edge

Why Choose Sinterball 35/70?

Unlike sharper aluminium oxide abrasives, Sinterball’s rounded spherical particles produce a cleaner, softer, rounded letter edge when sandblasting.

This makes it ideal for:

• Memorial lettering

• Stone engraving

• Monumental work

• Detailed blasting applications

The consistent grading ensures reliable cutting performance and a professional finish every time.

Key Benefits

✔ High-quality sintered bauxite
✔ Alternative to aluminium oxide grit
✔ Rounded particle shape for smoother lettering
✔ Consistent 35/70 grading
✔ Professional trade favourite
✔ Excellent durability and performance

Special Bulk Offer

• Standard Price (3 Bags): £119.91

• Special Offer: £93.00 for 3 Bags

• Only £31.00 per 25kg bag

A substantial saving on a core blasting material used daily in the trade.