SILICONE RUBBER & CATALYST Application:

SILICONE RUBBER & CATALYST (tin-cured silicone) datasheet

Model: 638# SILICONE RUBBER & CATALYST

Appearance: white

Viscosity (cs): 25000

Hardness (A): 20-22

Tensile strength(kgf/cm2 ) ≥35

Tear strength (kgf /cm):≥25

Elongation break(%):≥500

Retractility (%):≤0.2

Curing agent mixed rate (%):2-3

Operate time (min): 30

Curing time (hours): 2-4

Model: 728# SILICONE RUBBER & CATALYST

Appearance: white

Viscosity (cs): 18000

Hardness (A): 25

Tensile strength(kgf/cm2 ) ≥35

Tear strength (kgf /cm):≥22

Elongation break(%):≥320

Retractility (%):≤0.2

Curing agent mixed rate (%):2-3

Operate time (min): 30

Curing time (hours): 2-4

Model: 630# SILICONE RUBBER & CATALYST

Appearance: white

Viscosity (cs): 25000-29000

Hardness (A): 28-32

Tensile strength(kgf/cm2 ) ≥35

Tear strength (kgf /cm):≥29

Elongation break(%):≥470

Retractility (%):≤0.3

Curing agent mixed rate (%):2-3

Operate time (min): 30

Curing time (hours): 2-4

SILICONE RUBBER & CATALYST

Catalyst Mixing Ratio and Temperature correlation table
630#	Room-temperature 30C				Room-Temperature 25C	Room-temperature 15C
	Mixing ratio(%)				Mixing ratio(%)	Mixing ratio(%)
	2%	3%	4%	5%	5%	5%
Work time	1h and 35 min	1h and 8 min	44 min	25 min	55 min	2h
Curing time	6-8 h	4-6 h	2-4h	1.5-3H	3-5h	6-8h

Features of SILICONE RUBBER & CATALYST:

Vulcanizes at room temperature.Accurately reproduces details.Low linear shrinkage.Good heat stability.Easy mould release due non-adherent, flexible and elastic silicone rubber.

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