Discover the HDS/HDL telescopic high strength exothermic sleeves by SHANDONG CQ NEW MATERIALS INC. Ideal for cast iron applications, these innovative insulating sleeves offer superior heat resistance and efficiency.

Product Description
SHANDONG CQ NEW MATERIALS INC.
Product Description
HDS produced by sodium silicate technology
HDL produced by cold core triethylamine technology
These products are made up of XPS/XPL and HS sand spit.
MODEL LIST
Here only partial models are displayed. These products accept customization.
Model NO. | Modulus | Height mm | Volume Cm3 |
HDS/HDL14HJ15 | 0.9 | 77 | 14 |
HDS/HDL39HJ20 | 1.2 | 97 | 39 |
HDS/HDL75HJ25 | 1.4 | 106 | 75 |
HDS/HDL117HJ20 | 1.7 | 124 | 117 |
HDS/HDL101HJ20 | 1.9 | 130 | 101 |
HDS/HDL143HJ20 | 2.0 | 125 | 143 |
HDS/HDL140HJ20 | 2.0 | 109 | 140 |
HDS/HDL240HJ31 | 2.2 | 161 | 240 |
HDS/HDL260HJ31 | 2.7 | 161 | 260 |
HDS/HDL283HJ31 | 3.1 | 161 | 283 |
HDS/HDL360HJ41 | 3.2 | 147 | 360 |
HDS/HDL348HJ33 | 3.2 | 156 | 348 |
HDS/HDL450HJ41 | 3.3 | 161 | 450 |
HDS/HDL590HJ41 | 3.7 | 182 | 590 |
HDS/HDL600HJ41 | 4.0 | 184 | 600 |
HDS/HDL770HJ41 | 4.1 | 217 | 770 |

Product Description:
Introducing the Exothermic Riser Sleeve by SHANDONG CQ NEW MATERIALS INC. This innovative sleeve boasts a low density, accurate size, and exceptional exothermic effect, making it ideal for iron and steel casting applications. Whether inserted into the sand mold post-modeling or combined with a sand core, this sleeve significantly enhances casting yields, density, and reduces post-casting work.
Features:
- High exothermic property with low density
- Effective insulation for improved efficiency
- Enhanced feeding efficiency for superior results
- Available in a full range of specifications
- Compatible with various molding processes
Accessories Support:
Each Exothermic Riser Sleeve comes with optional accessories like breaker core and cover for added convenience.



