¡ôPhenolic resin for precoated sand Property:
This product is thermoplastic phenolic resin dried from phenol and formaldehyde. It owns good fluidity, high polymerization speed,high bending strength,low content of free phenol. Mainly used in the casting industry for preparing shell type precoated sand.
Main technical index:
Modle
Softening Point( oC )
Gel time 150 oC (s)
Flow 125oC(mm)
Free phenol%
Characteristic/ Application
RD-101
82-86
80-100
≥140
2.0-3.5
High Strengh/Cores
RD-102
85-87
60-70
≥110
2.0-3.5
High Strengh/Cores
RD-108
85-92
40-50
80-115
2.0-3.5
High Strengh/Cores
RD-103
87-93
24-33
60-90
2.0-3.5
Fast Cure/Mould&Cores
RD-105
93-97
28-35
70-100
2.0-3.5
Fast Cure/Mould&Cores
RD-703
88-92
24-30
80-100
2.0-3.5
Fast Cure/Mould&Cores
RD-104
93-97
40-50
70-100
2.0-3.5
General Purpose/Mould&Cores
RD-104c
96-99
40-50
70-85
2.0-3.5
General Purpose/Mould&Cores
RD-106
96-99
40-50
≥60
2.0-3.5
Steel/Mould&Cores
RD-107
80-90
55-80
≥80
2.0-3.5
Steel/Mould&Cores
RD-606
94-98
16-23
45-70
2.0-3.5
Hollow core
Packing and storage 1.
Flakes/pasticles , 40kg/bag or 250 kg/bag;
2.keep in cool and dry conditions ,and avoid direct shining .It can be storagedunder normal temperature within 6 months.
