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Lost Foam Casting / Investment Casting 270# Ceramic Foundry Sand

Minimum Order Quantity : 25 MT Price : Contact us
Packaging Details : Tion bags Delivery Time : 5-8 working days
Payment Terms : L/C, T/T Supply Ability : 100000mt per year
Place of Origin: Henan, China Brand Name: Zhengtong
Certification: ISO 9001, ISO 14001 Model Number: 14#-270#

Detail Information

Materiall: Ceramsite Main Chemical Index: Al2O3 75% Min. SiO2 18% Max.
Refractoriness: 1800 ℃ Min. Bulk Density: 1.65-1.95g/cm3
True Density: 3.3g/cm3 PH Value: 7-8
Thermal Expansion Rate: 0.13% (1000℃, Heating 10 Minutes) Angle Coefficient: ≤ 1.1 (Extramely Like Spheric)
High Light:

270# Ceramsite sand

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Investment Casting ceramic sand

Product Description

Ceramsite foundry sand size 14#-270# for Lost Foam Casting and Investment casting

 

  • Description

Ceramisite, also known as fused ceramic sand, Foundry sand, etc., , is a spherical sand made of bauxite by melting, blowing to balls and sieving. It has the characteristics of good sphericity, high refractoriness, good collapsibility, low thermal expansion and high recycling rate. It is widely used in various casting processes and is currently recognized as the most ideal new environmentally friendly foundry sand.

 

  • Specification

 

Chemical Index

 

Index Al2O3 SiO2 Fe2O3 TiO2 K2O+Na2O CaO+MgO L.O.I
Content 75% Min. 18% Max. 3% Max. 3.5% Max. 1% Max. 1% Max. 0.3% Max.

 

Technical Index

 

Index Refractories Bulk Density True density Angle coefficient
Content  1800 ℃ 1.65-1.95g/cm3  3.3g/cm3 1.1 Max.
Index PH Value Moisture Mud Content Thermal expansion rate
Content 7-8 0.1% Max. 0.1% Max. 0.13% 

 

 

Ceramsite Granular Size Distribution

Spec 2000 1400 850 600 425 300 212 150 106 75 53 Pan
10 14 20 30 40 50 70 100 140 200 270
14# ≤ 3 ≥ 85 ≤ 10 ≤ 1                
20#   ≤ 3 ≥ 85 ≤ 10 ≤ 1              
30#     ≤ 3 ≥ 85 ≤ 10 ≤ 1            
40#       ≤ 3 ≥ 85 ≤ 10 ≤ 1          
50#         ≤ 3 ≥ 85 ≤ 10 ≤ 1        
70#           ≤ 3 ≥ 80 ≤ 10 ≤ 1      
100#             ≤ 3 ≥ 80 ≤ 10 ≤ 1    
140#               ≤ 3 ≥ 80 ≤ 10 ≤ 1  
200#                 ≤ 5 ≥ 85 ≤ 10 ≤ 1
270#                   ≤8 ≥ 75 ≤ 15

 

 

Ceramsite Section Sand Size Distribution

 

Spec 2000 1400 850 600 425 300 212 150 106 75 53 Pan AFS #
10 14 20 30 40 50 70 100 140 200 270
14/20 ≤ 10 40-60 40-60 ≤ 10                 10±3 100#
20/30   ≤ 10 40-60 40-60 ≤ 10               15±3 150#
20/40   ≤ 10 25-35 30-40 25-35 ≤ 10 ≤ 3           20±3 200#
20/50   ≤ 5 20-30 25-35 20-30 10-20 ≤ 10 ≤ 5         25±3 250#
30/50     ≤ 10 20-30 35-45 20-30 ≤ 10 ≤ 3 ≤ 2       30±3 300#
40/50       ≤ 10 40-60 30-50 ≤ 10 ≤ 3 ≤ 2       35±3 350#
40/70       ≤ 10 25-35 35-45 15-25 ≤ 5 ≤ 2 ≤ 1     40±3 400#
      ≤ 5 20-30 30-40 30-40 ≤ 10 ≤ 3 ≤ 2     45±3 450#
50/100       ≤ 1 ≤ 15 30-40 20-30 15-25 ≤ 10 ≤ 2 ≤ 1   50±3 500#
        ≤ 10 25-35 25-35 20-30 ≤ 10 ≤ 2 ≤ 1   55±3 550#
50/140         ≤ 5 25-35 20-30 15-25 10-20 ≤10 ≤ 2 ≤ 1 60±3 600#
        ≤ 5 25-35 25-35 15-25 10-20 ≤10 ≤ 5 ≤ 2 65±3 650#
        ≤ 2 15-25 15-25 25-35 20-30 ≤10 ≤ 2 ≤ 1 70±3 700#
        ≤ 2 15-25 15-25 15-25 30-40 ≤10 ≤ 2 ≤ 1 75±3 750#
70/140           ≤ 15 20-30 25-35 20-30 ≤15 ≤ 3 ≤ 2 80±3 800#
          ≤ 15 15-25 20-30 30-40 ≤15 ≤ 3 ≤ 2 85±3 850#
70/200           ≤ 2 15-25 15-25 25-35 20-30 ≤10 ≤ 2 100±3 1000#
          ≤ 2 15-25 15-25 15-25 30-40 ≤10 ≤ 2 105±3 1050#
100/200             ≤ 15 20-30 25-35 20-30 ≤15 ≤ 5 110±3 1100#
            ≤ 15 15-25 20-30 30-40 ≤15 ≤ 5 120±3 1200#
140/270               ≤ 15 20-30 35-45 20-30 ≤15 155±3 1550#
200/270                 ≤ 10 40-60 30-50 ≤20 180±3 1800#
                ≤ 10 40-60 20-30 ≤25 190±3 1900#

 

 

  • Features

 

1. Dense spherical shape, smooth surface and good fluidity.

2. Good collapsibility and easy sand cleaning.

3. High refractoriness, can meet the requirements of various metals and alloy casting.

4. Good crush resistance and high recycling rate.

5. Low thermal expansion coefficient, reduce casting defects and improve dimensional accuracy.

 

  • Application

 

1. Precoated sand

2. Resin core sand

3. Lost Foam Casting

4. Investment casting

5. Casting paint

6. Drainage sand

 

Lost Foam Casting / Investment Casting 270# Ceramic Foundry Sand 0

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