China Cheap price Pre-Polymer - Pu Mould Resin – INOV

Pu Mould Resin

COMPOSITION

It consists of A&B component, A is polyol, and B is Iso-terminated polyurethane prepolymer.

CHARACTERISTICS

It has excellent processing properties, short gel time, solid in common temperature. The finished product has good properties of abrasion resistance, anti-hydrolyzing, transparence, good resilience and stable dimension.

APPLICATION

Used for making shoe and different kind of PU moulds. Substitute of Silicon rubber to make the mould of cultural stone.

STORAGE

Store in a cool and dry place. If you can’t use one drum up at one time, please fill Nitrogen gas and seal the drum well. The shelf life of original packing is 6 months.

PHYSICAL PROPERTIES

B

Type DM1295-B
Appearance Colorless or light yellow transparent liquid
Viscosity(30℃)mPa·s/ 1500±150

A

Type DM1260-A DM1270-A DM1280-A DM1290-A
Appearance Light yellow liquid
Viscosity(30℃)/mPa·s 560±200 650±100 750±100 850±100
Ratio A:B(mass ratio) 1.4:1 1.2:1 1:1 0.7:1
Operation temperature/℃ 25~40
Gel time(30℃)*/min 6~15(variable)
Appearance Light yellow liquid
Hardness (shore A) 60±2 70±2 80±2 90±2
Tensile strength/MPa 6 8 10 12
Elongation at break/ % 500~700
Tear strength/(kN/m) 25 30 40 40
Rebound/ % 60 55 50 48
Specific gravity(25℃)(g/ cm3 1.07 1.08 1.10

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