Cangzhou Sefu Ceramic New Materials Co., Ltd.
Add: Guanting Industrial Park, Cangzhou City, Hebei, China
Product Description
EXOTHERMIC RISER SlEEVE
Riser sleeves for iron and steel castings
Heat Insulation riser sleeve, with low density, accurate size, good heating effect, and high shrinkage efficiency, is suitable for the shrinkage of cast iron and steel castings. It can be inserted into the sand mold after modeling or matched with the sand core and put into the sand mold.
Feature:
High exothermic property, excellent thermal insulation capacity
High feeding efficiency, improve casting yields, and component compactness
Applied to several kinds of alloy material, various molding lines, and molding process
Technical Data
Items |
Indicators |
Tolerance (%) |
±5 |
Density (g/ml) |
0.7-1.0 |
Moisture (%) |
≤0.5 |
Permeability (AFS) |
≥70 |
Compressive Strength (Mpa) |
3.82-6.62 |
Ignition time (s) |
8--25 |
Combustion time (s) |
50--150 |
Heating Temperature (°C) |
≥1450 |
A Straight tube type dark heating riser parameter table:
Item (du*H) |
Effective modulus (cm) |
Riser sleeve size(mm) |
Volume (CC) |
du |
Du |
do |
DO |
h |
H |
A2/5 |
0.70 |
24 |
40 |
22 |
37.5 |
40 |
49 |
20 |
A3.5/5 |
1.00 |
35 |
52.5 |
30.5 |
49 |
39 |
49 |
30 |
A4/6 |
1.10 |
37.5 |
56 |
32 |
54 |
54 |
65 |
50 |
A4/7 |
1.20 |
41.5 |
62.5 |
35.5 |
59 |
63 |
71.5 |
70 |
A4.4/9 |
1.35 |
44 |
59 |
41 |
56 |
80.5 |
90 |
110 |
A5/8 |
1.50 |
52 |
73.5 |
48 |
70 |
70 |
80 |
130 |
A5/8X |
1.50 |
52 |
73.5 |
48 |
70 |
70 |
80 |
130 |
A5/10 |
1.70 |
58 |
84 |
48 |
76 |
94 |
107 |
200 |
A6/9 |
1.70 |
57.5 |
80 |
52.5 |
76 |
78.5 |
91 |
180 |
A7/10 |
2.00 |
69.5 |
94 |
65 |
89.5 |
87 |
99 |
300 |
A8/11 |
2.25 |
79 |
102 |
71.5 |
99 |
96.5 |
108 |
420 |
A9/12 |
2.50 |
89 |
115 |
81 |
110 |
104.5 |
120 |
580 |
A10/13 |
2.80 |
97 |
127.5 |
91 |
119.5 |
118 |
133 |
800 |
A11/14 |
3.00 |
108 |
142 |
97.5 |
136 |
123 |
140 |
1010 |
A12/15 |
3.20 |
118 |
154.5 |
112 |
148 |
130 |
150 |
1350 |
A14/17 |
3.80 |
140 |
182 |
133 |
173 |
150 |
170 |
2110 |
Non-Standard products could be made according to the customer's demand
Custom Refractory Foundry Feeder Exothermic Riser Sleeves for Iron & Steel Castings
Detailed Photos
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FAQ
Q: Are you Factory?
A: Definitely, we are a factory. Welcome to visit us!
Q: What Parameters should I provide to you for a proper quotation?
A: Application, pore size, dimension, color, quantity, packing requirements, trade terms.
Q: How can you control your quality?
A: For each production processing, we have a complete QC system for the chemical composition and physical properties. After production, all the goods will be tested, and we have the quality certificates with ISO9001.
Q: What is your lead time?
It usually needs about 15- 20 days after receiving the PO.
Q: Do you provide Samples?
A: Yes, our factory provides samples for testing, pls send detailed parameters to us. (if customized, withdrawing is best) The samples will be charged or free according to the specific requirements.
Q: What are the Payment Terms?
A: We accept T/T, L/C, West Union, etc.
Q: How can I get samples?
A: We are honored to offer you the samples.
Q: What about your Packing?
A: We provide carton boxes, pallets, etc. OEM packing is available too.
Q: Do you have R&D services?
A: Yes, we have an R&D department to assist you in new product development.
Q: Does your company accept customization?
A: We accept OEM service.
Q: Can we visit your company?
A: Yes, for sure, you are welcome to visit our company.
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Cangzhou Sefu Ceramic New Materials Co., Ltd.