hardner fast cure agent supplier1

4 year ago

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Jiangyin Thousands Chemicals Co.

 4 year year

Product details

Product Description

hardner fast cure agent supplier

Trigonox K-90 may be used as curing agent for unsaturated polyester resins.

Without the addition of an accelerator the polymerization starts only above the activation temperature of 90°C. For the cure at lower temperature Trigonox K-90 must be accelerated by cobalt or vanadium. Together with cobalt accelerators the gel time at room temperature is very long and is therefore particularly suitable for those applications where a long production time is required, for instance in the production of large parts and in filament winding. Sufficiently fast gel and cure times are only obtained above 35°C.

Together with vanadium accelerators Trigonox K- 90 gives a short gel time and a fast cure at room temperature. This can be improved further by adding a special promotor, like pyruvic acid. With such a system it is possible to get a fast cure of UP resins, even at low temperature. Also for resins like vinylester resin, these combinations are very suitable.

Product description

Cumyl hydroperoxide, 90% in aromatic solvent mixture

CH₃

Molecular weight

: 152.2

Active oxygen content peroxide

: 10.51%

CAS No.

: 80-15-9

EINECS/ELINCS No.

: 201-254-7

TSCA status

: listed on inventory

Specifications

Appearance

: Clear liquid

Assay

: 87.0-90.0%

Color

: 200 Pt-Co max.

Active Oxygen

: 9.14-9.46%

Characteristics

Density, 20°C

: 1.06 g/cm³

Viscosity, 20°C

: 10.9 mPa.s

Storage

Due to the relatively unstable nature of organic peroxides a loss of quality

can be detected over a period of time. To minimize the loss of quality,

AkzoNobel recommends a maximum storage temperature (T_s max.) for

each organic peroxide product.

For Trigonox K-90

T_s max. = 40°C and

T_s min. = -30°C to prevent crystallization

When stored under these recommended storage conditions, Trigonox K-90

will remain within the AkzoNobel specifications for a period of at least 3

months after delivery.

Thermal stability

Organic peroxides are thermally unstable substances, which may undergo

self-accelerating decomposition. The lowest temperature at which self-

accelerating decomposition of a substance in the original packaging may

occur is the Self-Accelerating Decomposition Temperature (SADT). The

SADT is determined on the basis of the Heat Accumulation Storage Test.

For Trigonox K-90

SADT : 70°C

The Heat Accumulation Storage Test is a recognized test method for the determination of the

SADT of organic peroxides (see Recommendations on the Transport of Dangerous Goods,

Manual of Tests and Criteria - United Nations, New York and Geneva).

Major decomposition

Acetophenone, 2-Phenylisopropanol, Methane

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Jiangyin Thousands Chemicals Co.

 Audited supplier

4 year

Address: Wuxi, China

Main Product: Unsaturated Resin, Vinyl Ester Resin, Epoxy Resin, Gel coat resin, The glass fiber , Curing agent

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