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发布时间:2019-08-13 00:00:00
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HL-300

HL-300 is hydrophilic fumed silica with a specific surface area around 300㎡ /g, mainly applied in coatings & paintings, silicone rubber and Other elastomers, film & UPR, adhesives and sealants.
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Product description

Characteristics

HL-300 is hydrophilic fumed silica with a specific surface area around 300㎡/g.

 

Applications

Coatings & Paintings

Silicone rubber and Other elastomers

Film & UPR

Adhesives and Sealants

Printing ink

Properties

Reinforcing filler in elastomers

Anti-settling, thickening and anti-sagging agent

Rheology and thixotropy control in liquid systems

Free flow aid and anti-caking aid for powders

High tear resistance

Excellent transparency in unsaturated polyester resins

 

Physical & Chemical Data

Properties Unit Typical Value Testing Method
Specific Surface Area(BET) m2/g 300±25 GB/T 20020
pH value in 4% dispersion - 3.7~4.5 GB/T 20020
Loss on drying(2 hours at 105℃) % ≤2.0 GB/T 20020
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃) % ≤2.5 GB/T 20020
Sieve Residue(45μm) mg/kg ≤250 GB/T 20020
Silica Content(Based on ignited material) % ≥99.8 GB/T 20020
Tamped Density(Based on material dried at 105℃ for 2 hours) g/dm³ 40~60 GB/T

 

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