Qingdao Crown Chemica_insoluble sulfur_petroleum resin

Chemical-Peptizer

DETAILED DESCRIPTION

Types	Composition	Appearance	Specific Gravity (g/cm³)	Dropping Point (°C)	Ash Content (%)	DBD Content（%）	Recommendations	Dosage	Applications
RP-66	Mixture of organometallic complexes, derivatives of fatty acid and peptizer DBD	Blue granules	1.3	60	≤19	/	NR and high viscosity synthetic rubber	0.2-0.5phr	Quickly reduce Mooney viscosity and improve processing properties. Contains dispersing agent, it can be easily dispersed. Effect from 80°C/176°F and reach optimum at 150°C /320°F.
RP-68	Mixture of 40% DBD and low melting point carrier	Blue granules	1.8	55	/	40	NR	0.1-0.5phr	DBD based chemical peptizer for NR, enhance chain-cut effect, and quickly reduce compound Mooney viscosity and processing time. Can be mixed quickly at low temperature due to low melting point carrier. Effect from 70°C/158°F and reach optimum at 150-160°C. Sulfur can inhibit plasticization of the product, and Mooney viscosity stays stable during storage. Antioxidant should be added in mixing stage because usually antioxidant can inhibit plasticization.

Types

Composition

Appearance

Specific Gravity (g/cm³)

Dropping Point (°C)

Ash Content (%)

DBD Content（%）

Recommendations

Dosage

Applications

RP-66

Mixture of organometallic complexes, derivatives of fatty acid and peptizer DBD

Blue granules

1.3

≤19

NR and high viscosity synthetic rubber

0.2-0.5phr

RP-68

Mixture of 40% DBD and low melting point carrier

Blue granules

1.8

0.1-0.5phr

DBD based chemical peptizer for NR, enhance chain-cut effect, and quickly reduce compound Mooney viscosity and processing time.
Can be mixed quickly at low temperature due to low melting point carrier. Effect from 70°C/158°F and reach optimum at 150-160°C.
Sulfur can inhibit plasticization of the product, and Mooney viscosity stays stable during storage.
Antioxidant should be added in mixing stage because usually antioxidant can inhibit plasticization.

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