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TBPB and Zinc stearate
tert-Butyl Peroxybenzoate TBPB

TBPB and Zinc stearate

TBPB
Turt-Butyl Peroxy Benzoate is low volatility, light yellow transparent liquid, is a kind of ester organic peroxide. It is used as medium temperature initiator for polymerization reaction (such as polystyrene, polyethylene, polyacrylics), curing agent for unsaturated polyester, and curing agent for silicone rubber.
Zinc stearate
Zinc stearate is a white powder and is insoluble in water which used as lubricant and release agent for styrene resin, phenolic resin, SMC/BMC plastics and amino resin.It also vulcanizes activator and softener in rubber.

Features:
1. Imported primary stearic acid for raw materials, C18 (carbon 18) content will be higher and not easy to precipitate, and the product whiteness is good.
2. For composite materials, the screen will be 200 mesh
3. Good oil absorption control will not affect the viscosity of SMC
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Product Detail

Turt-Butyl Peroxy Benzoate Specification List


Appearance

Light yellow transparent liquid

Color

50 Hazen max

Assay

98.5% min

Active oxygen

8.12% min

Water content

2.0% max

Tert-butyl hydroperoxide

0.005% max

Inorganic+organic hydrolysable
chloride

0.005% max

Self-accelerating Decomposition Temperature (SADT)

60ºC

Storage temperature

30ºCmax

CAS Number

614-45-9

HS code

29163990


Zinc Stearate AV300 Specification List


Product

Zinc stearate

Model

AV300

Appearance

White powder

Metal content (Zn%)

10.4~11.3

Free fatty acid (%)

≤0.5

Volatile content 105℃ (%)

≤0.5

Melting point (℃)

117~125

Bulk density (g/1)

220~300

Sieving rate (%)

120 mesh, 99.5%

Application

Petrochemical PE

Excellent, workable

Petrochemical PP

Good, applicable

Petrochemical PS

Excellent, workable

Master Batch

Excellent, workable

EVA

Excellent, workable

PVC

Excellent, workable

SMC/BMC plastics

Excellent, workable

Papermaking

Excellent, workable

Packing

20kg/bag


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