Sia 7991 Siasponge Block Soft

The SIA 7991 Siasponge Block Soft is a versatile, high-performance sanding block designed for precise finishing on various materials. Its soft polyurethane foam construction allows it to adapt seamlessly to contours, rebates, and edges, ensuring uniform pressure distribution without compromising edge stability.



🔧 Key Features

• Dimensions: 69 mm x 98 mm x 26 mm

• Abrasive Material: Aluminium oxide

• Backing: Soft polyurethane (PU) foam

• Coating: Four-sided abrasive coating

• Color-Coded Grits: Easy identification of grit grades

• Usage: Suitable for both wet and dry sanding applications

• Low Clogging: Designed to resist clogging, ensuring consistent performance



🎨 Grit Grades & Corresponding Colors

• Ultrafine (Blue): 280 grit

• Superfine (Green): 180 grit

• Fine (Yellow): 100 grit

• Medium (Orange): 60 grit



✅ Advantages

• Adaptability: Extra-soft foam conforms to various shapes and contours

• Low Clogging: Designed to resist clogging, ensuring consistent performance

• Durability: Long lifespan with consistent sanding results

• Versatility: Suitable for both wet and dry sanding applications

• Safety: Minimal risk of sanding through due to even pressure distribution