Domestic carbon black manufacturers

Domestic carbon black manufacturer fumed silica HM300

First, the main varieties of fumed silica (silica):

HM-150 HM-200

HM-300 HM-380

Second, packaging materials and specifications:

1.10Kg/charter bag, made of PP material or kraft paper, can be transported in bulk.

2. Generally, every 20 packs are packaged into one tray, that is, 200Kg/t.

3. It can also be packaged according to the packaging form and specifications required by the customer.

Domestic carbon black manufacturer HM-300 product introduction

model	HM-300
name	Fumed silica
Physicochemical properties	HM-300The type is a hydrophilic fumed silica having a specific surface area of 300 m 2 /g, which is a high purity white powder.
use	Used in coatings and paints, silicone rubber and other elastomers, compounds and unsaturated polyester resins, adhesives and sealants, printing inks, etc.
Usage and function	This product is used as reinforcing filler in rubber; rheological and thixotropic liquid control system, adhesive, polymer, etc.; dustproof, anti-sagging, thickening; improved powder free flow and anti-caking property powder; Excellent transparency in saturated polyester resins.

Gas-phase white carbon black technical indicators

Variety indicator Project	HM-150	HM-200	HM-300	HM-380	Detection method
Specific surface area（BET）m2/g	150±30	200±30	300±30	380±30	GB/T20020-2005
Suspension pH（4%）	3.6~4.5	3.6~4.5	3.6~4.5	3.6~4.5	ISO787-9
Dry reduction (drying at 105 ° C for 2 h)%	≤1.5	≤1.5	≤1.5	≤1.5	ISO787-2
Reduction by burning (burning at 1000 ° C for 2 hours, based on product dried at 105 ° C for 2 h)%	≤2.5	≤2.5	≤2.5	≤2.5	ISO3262-1
Sieve residue（45μm ）%	≤0.05	≤0.05	≤0.05	≤0.05	ISO787-18
Silica content (based on products after burning)%	≥99.8	≥99.8	≥99.8	≥99.8	ISO3262-20
Performance density (based on product dried at 105 ° C for 2 h) g / L	25~60	25~60	25~60	25~60	ISO787-11
Carbon content (product based on drying at 105 ° C for 2 h)%	≤0.2	≤0.2	≤0.2	≤0.2	ISO3262-20

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