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Rubber Accelerator MBT

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  • Product Name: Rubber Accelerator MBT
  • Chemical Name: 2-Mercaptobenzothiazole
  • Molecular Formula: C7H5NS2
  • Molecular Weight: 167.26
  • CAS No. :149-30-4

Specifications :

 Item

 Specifications

1st grade

Appearance

Light yellow or grey white powder

Initial Melting Point    (℃) Min.

170.0

Heat Loss          (%)Max.

0.50

Ash                    (%)Max.

0.30

Residue on 150μm Sieve     (%)Max.

0.1

 

Properties: Relative density: 1.42-1.52g/cm3,Insoluble in water and gasoline, slight soluble in benzene, easy to soluble in ethyl acetate and acetone, soluble in dichloromethane, ethyl ether and chloroform and in the solution of alkali carbonate.

Applications: A universal rubber accelerator, mainly is used in tyres, rubber shoes and other rubber articles. It is not used in rubber bags for food because of its bitterness. MBT is regulated for use in articles in contact with food as specified under FDA 21 CFR177.2600, 175.105, 176.300 and under BgVV XXI, Categories 1-4 and “Sonderkategorie”.

Storage: Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

Packing:  25kg net paper bags lined with polyethylene film bags.

RUBBER ACCELERATOR TBBS

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  • Product Name: RUBBER ACCELERATOR TBBS
  • CAS NO.: 95-31-8
  • Other Name: RUBBER ACCELERATOR NS
  • Chemical Name:N-Tertiarybutyl-2-benzothiazole sulfennamide
  • Molecular Formula:C11H14N2S2
  • Molecular Weight: 238.37
  • EINECS NO.: 202-409-1

Specification:

Appearance Milky   white granular
Initial M.P. oC≥ 106.0
heating loss %≤ 0.30
Ash%≤ 0.30

Properties: white granule. The density is 1.26-1.32.soluble in benzene, CS2, methyl alcohol, acetone, chloroform, alcohol, insoluble in gasoline, water, acid and alkali with lower concentration.

Application: Provides fast cure rate and high modulus development in NR, SBR, BR and blends. Normally used alone or with small quantities of ultra accelerators in tire compounds or industrial rubber products low poison and high efficiency. Can take the place of MBTS and DPG system.

Packing: 25kg in kraft paper bag with PE bag inside,or as customer’s request.

Storage: Stored in cool, dry and draughty place; avoid direct sunlight; protect against moisture or high temperature. The validity is 1 year.

RUBBER ACCELERATOR ZDEC

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  • Product Name: RUBBER ACCELERATOR ZDEC
  • CAS NO.: 14324-55-1
  • Other Name: RUBBER ACCELERATOR EZ
  • EINECS No.: 238-270-9
  • Molecula Formula(MF): C10H20N2S4Zn
  • Formula Weight: 361.93
  • Appearance: WHITE POWDER

Specification:

 

Item Powder Oiled powder Granule
Appearance (visual inspection) white powder(Granule)
Initial M.P. oC≥ 174.0 174.0 174.0
heating loss %≤ 0.40 0.40 0.40
Zinc content % 17.5-19.0 17.2-18.7 17.2-18.7
Residues on sieve(150μm), % ≤ 0.10 0.10 \
Residues on sieve(63μm), % ≤ 0.50 0.50 \
Oil content, % \ 1.0-2.0 \
Granule diameter, mm \ \ 1.5-2.5

Properties: White powder (granule). Density is 1.41. Soluble in 1% NaOH solution, CS2, benzene, chloroform, slightly soluble in alcohol, insoluble in gasoline.

Application: ZDEC is used as primary or secondary accelerator for NR, SBR, IIR or EPDM; also used for natural rubbers or synthetic latex; as anti-oxidant for rubber-based adhesives.

Packing: 25kg in kraft paper bag with PE bag inside.

Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.

RUBBER ACCELERATOR MBT

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  • Product Name: RUBBER ACCELERATOR MBT
  • CAS NO.: 149-30-4
  • Other Name: RUBBER ACCELERATOR M
  • EINECS No.: 205-736-8
  • Molecula Formula(MF): C7H5NS2
  • Formula Weight: 167.25
  • Appearance: Gray- white or light yellow powder

Specification:

Appearance Gray- white or light yellow powder
Initial M.P. oC≥ 171.0
heating loss %≤ 0.30
Ash%≤ 0.30
Residues on   sieve(150μm), % ≤ 0.10

 

Properties: Slightly foul odor and bitter taste, nonpoisonous. Specific gravity: 1.46-1.52.Soluble in ethyl acetone, acetone, dilute solution of sodium hydroxide and sodium carbonate, ethyl alcohol. Not easily soluble in benzene. Insoluble in water and gasoline.

Packing: 25kg in kraft paper bag with PE bag inside.

Storage: keep in a dry , cool, well-ventilated place. The recommended max. storage life is 2 years.

Notes: the products could be oil coated powder,granular as per customer’s request.

Application:
MBT is fast and nonpolluting accelerator suitable for rubbers and latex; can achieve good cold vulcanization when used together with secondary accelerator TMTD, TETD, DPG; it gives vulcanized rubbers excellent anti-aging property, and is mainly used in the manufacture of tyres,tubes,rubber belts, adhesive tape, rubber shoes,hoses etc; can not be used as food material.

Package & Trade Terms:

Package: 25KG/BAG

Storage Condition:

Supply Ability: 30.00MT/Week

Trade Terms: FOB,CIF,CFR

Shipping Mode: By Sea

Shipping Port: QINGDAO

Payment Terms: T/T,L/C

RUBBER ACCELERATOR MBS

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  • Product Name: RUBBER ACCELERATOR MBS
  • Other Name: RUBBER ACCELERATOR NOBS
  • CAS NO.: 102-77-2
  • Chemical Name :N-Oxydienthylene-2-benzothiazole sulfenamide
  • Molecular Formula :C11H12N2S2O
  • Molecular Weight: 252.36
  • EINECS NO.: 203-052-4

Specifications:

Appearance Light   yellow granular
Initial M.P. oC≥ 80.0
heating loss %≤ 0.50
Ash%≤ 0.30

Properties: Light yellow brownish powder, grain. Bitter taste,Specific gravity 1.34-1.40, soluble in benzene, acetone, methyl alcohol; insoluble in water.

Application: An excellent delayed accelerator. The performance is similar to that of CZ displaying better scorch safety. Widely apply in NR, IR, SBR, NBR and EPDM. Apply alone or with those vulcanization accelerators such as thiurams, guanidines and dithiocarbamates to improve the activity, mainly use in manufacture of tires, shoes and belts, non-blooming. Not recommended to apply in beverage and food containers because of the bitterness of the product after vulcanization.

Package: 25kg in kraft paper bag with PE bag inside,.

Storage: Keep in a cool, well-ventilated place.

Rubber Accelerator DPG

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  • Product Name: Rubber Accelerator DPG
  • Other Name: DPG
  • CAS NO.: 102-06-7
  • Molecula Formula(MF):  C13H13N3
  • Formula Weight: 211.27
  • Appearance: Gray-white powder(granule)
  • Chemical Name: Diphenyl guanidine

Specification:  

Item

Powder

Oiled powder

Granule

Item

Gray-white powder(granule)

Initial M.P. ℃ ≥

145.0

145.0

145.0

Loss on drying % ≤

0.30

0.50

0.30

Ash % ≤

0.30

0.30

0.30

Residue on 150μm sieve % ≤

0.10

0.10

\

Residue on 63μm sieve % ≤

0.50

0.50

\

Additive %

\

0.1-2.0

\

Granule Diameter mm

\

\

1.50

 

Properties: Grayish-white powder(granule)No taste, no poison. Densiy is 1.08–1.19. Soluble in acetone, ethyl acetate, benzene, alcohol, slightly soluble in CCl4; Insoluble in water and gasoline.

Application: Used as a secondary accelerator with thiazoles and sulphenamides in NR and SBR compounds. Exhibits better storage stability compared to thiuram and dithiocarbamates but is not so active. DPG can be used in latex as secondary gelling agent (foam stabilizer) in the silico-flouride foam process.

Packaging: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.

Storage: Keep container tightly closed in a cool, well-ventilated place. The recommended maximum storage life is 2 years when stored under normal conditions.

Application:
Used as a secondary accelerator with thiazoles and sulphenamides in NR and SBR compounds. Exhibits better storage stability compared to thiuram and dithiocarbamates but is not so active. DPG can be used in latex as secondary gelling agent (foam stabilizer) in the silico-flouride foam process.

Package & Trade Terms:
Package: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.

Storage Condition:

Supply Ability: 60.00MT/Day

Trade Terms: FOB,CIF,CFR,EXW

Shipping Mode: By Sea

Shipping Port: Any port in China

Payment Terms: T/T,L/C,O/A