Rectangular Acrylic Block – 75 × 50 × 18mm (Fully Polished)

This high‑clarity Rectangular Acrylic Block is crafted from premium clear acrylic with all faces fully polished for excellent optical quality. Measuring 75 × 50 × 18mm, this precision‑cut block is ideal for optical demonstrations, ray‑tracing experiments, and general classroom investigation of light behaviour.

Its smooth, polished surfaces ensure minimal distortion, making it a dependable resource for demonstrating refraction, internal reflection, and other key physics concepts in school science lessons.

Key Features

• Clear acrylic construction for excellent transparency
• Fully polished faces for high‑quality optical performance
• Dimensions: 75 × 50 × 18mm
• Durable, lightweight, and classroom‑safe alternative to glass
• Ideal for optics demonstrations and physics practicals

Ideal for School Science Lessons & Experiments

This rectangular acrylic block is perfect for KS3, GCSE, and A‑Level physics lessons, helping students explore fundamental concepts of light. It is commonly used for:

• Refraction demonstrations using ray boxes
• Investigating critical angles and total internal reflection
• Measuring refractive index through practical experiments
• Exploring ray diagrams and geometric optics
• Supporting hands‑on learning in optics and waves units

Robust, clear, and designed for reliable classroom use, this polished rectangular acrylic block is an essential tool for delivering engaging, accurate optical investigations in school science labs.