What Is Capsule Paper?
Capsule paper is a term used to describe a type of heat-sensitive paper that creates raised tactile graphics when exposed to heat. It is commonly used in education and accessibility to convert visual information into a format that can be read through touch.
This type of paper contains heat-reactive microcapsules that expand when exposed to heat. When black ink is printed or drawn onto the surface and the paper is processed through a heat source, the black areas rise to form tactile graphics.
How Capsule Paper Works
Capsule paper functions by reacting to dark printed or drawn areas.
The process typically involves:
- Printing or drawing a graphic using black ink
- Placing the paper into a heat-based tactile graphics machine
- Allowing the printed areas to expand and form raised surfaces
Learn more about microcapsule paper.
Capsule Paper and Tactile Graphics
Capsule paper is used to produce tactile graphics such as maps, diagrams, charts, and instructional materials for individuals who are blind or visually impaired.
Because tactile graphics must be interpreted through touch, clarity, spacing, and line thickness are important factors in creating effective results.
Learn more about tactile graphics.
Relationship to Microcapsule Paper
Capsule paper is a simplified term often used interchangeably with the term microcapsule paper. Both refer to heat-sensitive paper that produces raised tactile graphics through the same underlying process.
For a more detailed explanation, see a detailed explanation of microcapsule paper.
Modern Applications
Today, one of the most widely used forms of capsule paper is Swell Touch paper. It is commonly used in classrooms and production environments to create tactile graphics quickly and consistently.
When used with a tactile graphics machine, swell paper provides a reliable method for producing high-quality tactile graphics on demand.
Conclusion
Capsule paper is a commonly used term for heat-sensitive paper used in tactile graphics production.
While terminology may vary, the underlying purpose remains the same: to create accessible, touch-based representations of visual information for blind and visually impaired users.