Polyethylene curling rink, movable PE land curling track, simulated ice curling board
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Unique "Ice Point" Surface:
Manufacturing Process: Ice makers use a special "sprinkler" to evenly spray pure hot water droplets onto the ice surface. These droplets freeze instantly, forming countless tiny ice particles (approximately 2-3 mm in diameter), called "ice points" or "pebbles."
Surface Morphology: The entire ice sheet is covered with these tiny ice points, and the depressions between the ice points form natural grooves.
Controllable and Complex Friction Environment:
Point Contact: The curling stone does not slide on its entire bottom surface, but mainly contacts the tops of these ice points, greatly reducing the contact area and significantly lowering friction, allowing the approximately 20 kg curling stone to slide nearly 40 meters.
Adjustable Friction: Ice makers control the size and hardness of the ice points by adjusting the water temperature, spraying height, and speed. Smaller, harder ice points result in a faster ice surface (less friction), while larger, softer ice points result in a slower ice surface (more friction). The "speed" of the ice sheet is precisely measured and marked before the competition.
Precise "Ice Surface Reading" Requirements:
Curved Motion (Curling Stone's Curve): Due to the concave center of the curling stone's bottom and the irregular contact with the ice points, the curling stone rotates slowly in a clockwise or counterclockwise direction as it slides, creating a beautiful curved trajectory. The degree of the curve is greatly affected by the ice surface temperature, humidity, and ice point conditions.
Dynamic Changes: The ice surface condition changes continuously throughout the competition, and may differ in each end or even each shot.
Zoned Temperature Control:
The ice sheet is not a uniformly tempered surface. Typically, the ice surface between the hack and the hog line is slightly warmer (approximately -4°C), making it slightly softer to withstand the impact of the athlete's push-off and allow the curling stone to start more easily.
The ice surface in the playing area is colder, making it harder and faster, ensuring stable and predictable curling stone movement.
Extremely High Flatness and Purity Requirements:
The base ice layer beneath the surface must be absolutely flat, like a mirror.
Deionized or purified water is used to make the ice, ensuring the ice layer is crystal clear and free of impurities, avoiding unpredictable friction points. The core performance characteristic of a curling rink lies in its meticulously crafted, yet intentionally "imperfect," ice surface—a complex physical environment created through the ice's crystalline structure, resulting in low friction, variability, and a need for careful interpretation. Its greatest advantage is that it transforms a power-based sport into a game heavily reliant on precise calculations, real-time decision-making, teamwork, and psychological strategy—an "ice chess" of sorts. It is this unique ice surface that defines the soul of curling, making it one of the most strategic and visually captivating events at the Winter Olympics.
Manufacturing Process: Ice makers use a special "sprinkler" to evenly spray pure hot water droplets onto the ice surface. These droplets freeze instantly, forming countless tiny ice particles (approximately 2-3 mm in diameter), called "ice points" or "pebbles."
Surface Morphology: The entire ice sheet is covered with these tiny ice points, and the depressions between the ice points form natural grooves.
Controllable and Complex Friction Environment:
Point Contact: The curling stone does not slide on its entire bottom surface, but mainly contacts the tops of these ice points, greatly reducing the contact area and significantly lowering friction, allowing the approximately 20 kg curling stone to slide nearly 40 meters.
Adjustable Friction: Ice makers control the size and hardness of the ice points by adjusting the water temperature, spraying height, and speed. Smaller, harder ice points result in a faster ice surface (less friction), while larger, softer ice points result in a slower ice surface (more friction). The "speed" of the ice sheet is precisely measured and marked before the competition.
Precise "Ice Surface Reading" Requirements:
Curved Motion (Curling Stone's Curve): Due to the concave center of the curling stone's bottom and the irregular contact with the ice points, the curling stone rotates slowly in a clockwise or counterclockwise direction as it slides, creating a beautiful curved trajectory. The degree of the curve is greatly affected by the ice surface temperature, humidity, and ice point conditions.
Dynamic Changes: The ice surface condition changes continuously throughout the competition, and may differ in each end or even each shot.
Zoned Temperature Control:
The ice sheet is not a uniformly tempered surface. Typically, the ice surface between the hack and the hog line is slightly warmer (approximately -4°C), making it slightly softer to withstand the impact of the athlete's push-off and allow the curling stone to start more easily.
The ice surface in the playing area is colder, making it harder and faster, ensuring stable and predictable curling stone movement.
Extremely High Flatness and Purity Requirements:
The base ice layer beneath the surface must be absolutely flat, like a mirror.
Deionized or purified water is used to make the ice, ensuring the ice layer is crystal clear and free of impurities, avoiding unpredictable friction points. The core performance characteristic of a curling rink lies in its meticulously crafted, yet intentionally "imperfect," ice surface—a complex physical environment created through the ice's crystalline structure, resulting in low friction, variability, and a need for careful interpretation. Its greatest advantage is that it transforms a power-based sport into a game heavily reliant on precise calculations, real-time decision-making, teamwork, and psychological strategy—an "ice chess" of sorts. It is this unique ice surface that defines the soul of curling, making it one of the most strategic and visually captivating events at the Winter Olympics.
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