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HRD Medium Molecular Poly-isobutylene (Food Grade)
Grade | Volatile | StaudingerIndex | Viscosity Average Molecular Weight | Antioxidant | As, mg/kg (Calculated with As) | Heavy Metals, mg/kg (Calculated with pb) | Pb, mg/kg (Calculated with pb) |
HRD-S350 | ≤0.3 | 21.5-26.0 | 35000±5000 | No | ≤3.0 | ≤20.0 | ≤3.0 |
HRD-S450 | ≤0.3 | 26.5-31.0 | 45000±5000 | No | ≤3.0 | ≤20.0 | ≤3.0 |
HRD-S550 | ≤0.3 | 31.5-36.0 | 55000±5000 | No | ≤3.0 | ≤20.0 | ≤3.0 |
HRD-S650 | ≤0.3 | 35.5-39.0 | 65000±5000 | No | ≤3.0 | ≤20.0 | ≤3.0 |
Physical and Chemical Properties:
Food grade poly-isobutylene is transparent and odorless semisolid.
Applications:
Chewing GumS: Poly-isobutylene can improve the gum quality
when mixed with wax paraffin wax and resin; it can also make the
gum more flexible and stable, maintaining good hydrophobic property
and excellent film-forming property.
Food Binding Agent: mixed with various adhesives (including
pressure sensitive adhesive), poly-isobutylene has the functions of
adhesive bonding and modification.
Poly-isobutylene has a hydrophobic property and can keep
low-toxicity absorption and high-temperature stability when mixed
with hydrophobic substances (CMC, pectin, gel). It also adjustable
in hardness and has germ resistance.
Food Packing: Poly-isobutylene can be mixed with various paraffin
waxes and high molecular polymers to serve as the releasing agent
of packaging films, for example, polymer of poly-isobutylene and
paraffin wax can be used as the packaging films for cheese.
Poly-isobutylene can improve the low-temperature stability and
water resistance of product.
Food grade Hot Melt Adhesive: Poly-isobutylene has a function of
plasticization, and can be used for thermal-plastic rubber, etc.
Medicine plaster: Food grade poly-isobutylene is now widely used in
the field of medicine plaster. It has nice compatibility with both
western medicines and traditional Chinese medicines because of its
unique net structure long chain and macro molecule. With the
properties, including non-irritability, repeated pulling and
sticking, and non-hair collecting etc., food grade poly-isobutylene
has developed into a leading material for medicine plasters.
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