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  • Place of Origin: Hanoi, Vietnam
  • Brand Name: Make-in-Vietnam
  • Model Number: SVR 60

Natrual Rubber is a key export products for Vietnam. With it mother nature blessing, Vietnam owned hundreds of thousands hectare of rubber plantation.

Our manufacturer has all typical natural rubber product ranges from SVR CV60, SVR 3L, SVR 5, SVR 10, SVR 20. 

Our products have been exported worldwide from S. America, Midle East to European and South Asia countries.

 

 

NATURAL RUBBER SVR CV 60

 

Description

SVR CV 60 is a constant viscosity grade. It is produced by adding hydroxylamine neutral sulfate (HNS) and peptizer to the field latex before coagulation with acid. The coagulum is allowed to mature for some hours, reduced to crumbs by passing through a crusher, crepers, a shredder, dried and pressed into bales. The hydroxide amine inhibits the storage hardening reaction in natural rubber, which leads to an increase in its Mooney viscosity. Mooney vicosity (MV) range is 60 ± 5.

Application

 

  • Vibration mountings for engines and machinery
  • Railway buffers
  • Bridge bearings
  • Automotive components
  • Large-truck tire treads
  • Conveyor belt covers
  • Masking tapes
  • Rubber–metal bonded components

 

Features

 

  • A constant viscosity rubber without peptizer agent
  • Constant Mooney viscosity, cleanliness, uniformity, and softness.

 

Specification

 

Parameters
Unit
Test Methods
Limit
Dirt (retained on 45 micron aperture)
% wt
TCVN6089:2004 ISO249:1995
0.02 Max
Volatile Matter
% wt
TCVN6088:2004 ISO248:1991
0.80 Max
Nitrogen
% wt
TCVN6091:2004 ISO1656:1996
0.60 Max
Ash
% wt
TCVN6087:2004 ISO247:1990
0.40 Max
Initial Wallace plasticity (Po)
 
TCVN6092-2:2004 ISO2007:1991
Plasticity Retention Index (PRI)
%
TCVN6092-1:2004ISO2930:1995
60 Min
Mooney Viscosity**
MU
TCVN6090:2004 ISO289-1:1994
60 ± 5

**At time of production, ML 1+4 (100°C)

Rheological properties*
Property                             Unit          Values
S’Max (Torque max)       dN.m         3.2 - 4.7
T90                                    Min            8 - 11
* For SVR CV60 production, with MV = 59 ± 3

Packing

 

  • 33.33 kg bale/36 bales, 35 kg bale/36 bales, 25 kg bale/ 48 bales, 20 kg bale/ 60 bales per crate or shrink-wrapped pallets
  •  Wooden crates
  •  Shrink-wrapped on wooden or metal pallets

 

Bale Packaging

 

  • Normal 0.03 mm PE bag wrapper with melting point of 109°C max.
  • Thick (0.13 mm) PE bag wrapper.

 

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