Demonstration Model Ball with a Ring Thermodynamics

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US $4-5 / Sets | 50 Set/Sets Ball (Min. Order)
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Overview
Quick Details
Subject:
Physics
Brand Name:
YOUSHANG
Model Number:
IH194
Place of Origin:
Zhejiang, China (Mainland)
Keyword:
Ball
Material:
Metal
CERTIFICATE:
ISO9001
Color:
Black
Quality:
High
Product name:
Ball
Application:
School
Type:
Physics Instruments
Feature:
Durable
Size:
25*13*4cm
SupplyAbility
SupplyAbility:
5000 Pack/Packs per Month Ball
Packaging & Delivery
Packaging Details
15 sets in a pack.
Port
NINGBO/YIWU/SHANGHAI/LIANYUNGANG
Lead Time :
20-30 days

 

 

 

 

 

 

 

Demonstrates expansion of metal with heat and its contraction when cooled. When the ball is

 

 

heated, it will not pass through the ring, but when both are the same temperature, the ball passes

 

 

through the ring freely. Brass Ball and Ring are mounted on a steel rod set into  wooden handles.

 

 

 

 

 

 

 

  

 

 

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A1:Contact us to get T/T or PayPal account to make the payment.

Q2:What is your advantage?

A2:We always supply products with lower price and better quality.

Q3:How about the quality?

A3:We are the manufacturer with 10 years experience in producing educational apparatus and we can guarantee the quality of products is high and reliable.

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A4:May delay 12 hours due to the time difference. We will reply you as soon as possible.

Q5:What can you do?

A5:We have our own design, and can also make customer’s design. You can send us the product details by email.