no bake phenolic resin for foundry

BRIEF INTRODUCTION

PF-103 No Bake Phenolic Resin is a kind of no bake phenolic resin cured by acid, it appears red brown or deep red brown liquid with the following characteristics:

a.  Low Level Of Odor Generation, which improves the working condition of the workers.

b.  No Nitrogen Content, which may reduce the blowholes.

c.  High Strength, which can be applied to big steel castings.

SPECIFICATIONS

Viscosity @ 20°C            ≤150mPa.S

Free Formaldehyde            ≤0.5%

Free Hydroxybenze           ≤4.5%

Shelf Life (≤25°C)        90 days

APPLICATIONS

For application of big steel castings, iron castings and resin sand, especially for the core making when the temperature of sand is very high.

DIRECTIONS FOR USE

a.  Mixing Proportion

Sand                     100

Resin                    1.2-1.5% of sand weight

Hardener                  50-80% of resin weight

b.  Mixing Process

Mix sand with hardener, then add resin. The mixing time is 60-120 seconds.

c.  When

Temperature >20°C   humidity≤75%, type of hardener GS03 can be applied.

Temperature<20°C   humidity≥80%, type of hardener GS09 can be applied.

Temperature<8°C, the temperature of the sand shall be raised higher correspondingly.

CAUTIONS

a.    Corrosion will be caused if this product contacts with skin, safety articles should

   be worn by operators.

b.    Resin should be kept in cold and dry places to avoid direct sunlight. Handle with

   care.