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Zhengzhou Zhengtong Abrasive Import&Export Co.,Ltd
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Lost Foam Casting / Investment Casting 270# Ceramic Foundry Sand

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Lost Foam Casting / Investment Casting 270# Ceramic Foundry Sand

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Brand Name : Zhengtong

Model Number : 14#-270#

Certification : N/A

Place of Origin : Zhengzhou

MOQ : 25 MT

Price : Contact us

Payment Terms : L/C, T/T

Supply Ability : 100000mt per year

Delivery Time : 5-8 working days

Packaging Details : Tion bags

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)

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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

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270# Ceramsite sand

      

Investment Casting ceramic sand

      
Quality Lost Foam Casting / Investment Casting 270# Ceramic Foundry Sand for sale

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