Across
- 5. A naturally occurring hydrocarbon made up of two elements. including carbon and hydrogen with or without other non-metallic elements
- 7. The white resin resembles the milk of plants. It hardens when exposed to air.
- 9. Synthetic plastics used in plastic surgery, electrical equipment, plastics
- 11. Rotational forming
- 13. Making various products by compressing the softening material into the template.
- 15. Extrusion type
- 16. A filler is a solid material. has a small particle size which may be added to rubber or latex in large quantities to improve various properties or to reduce production costs
- 17. A substance with elastic properties like natural rubber.
- 18. metal utensils
- 19. is a forming job thermoplastic By allowing the plastic to pass through two or more hot rollers until a continuous long plastic sheet is obtained.
- 20. Silicone rubber is a type of synthetic rubber in which the core of the molecular chain It consists of silicon and oxygen atoms.
Down
- 1. Precursor in the preparation of polymers
- 2. A substance has a color that gives another object its color. insoluble in solvent but can be suspended used for coating Each pigment has its own unique properties to absorb and reflect color. Thus, it can be seen in different colors.
- 3. Substances produced by polymerization It is a large molecule composed of several monomers joined together in chains and has a very high molecular mass.
- 4. The structure of a solid substance in which the atomic arrangement is disordered. no exact pattern
- 6. Remove used products or materials. into the production process to be able to be recycled
- 8. heat forming
- 10. Lubricants
- 12. The most widely used plastic Has a special feature is that when it is heated to a certain point, it will melt.
- 14. crystallization